{"id":1141,"date":"2026-05-18T12:08:15","date_gmt":"2026-05-18T10:08:15","guid":{"rendered":"https:\/\/deskaudio.eu\/?post_type=product&#038;p=1141"},"modified":"2026-09-11T16:17:14","modified_gmt":"2026-09-11T14:17:14","slug":"fosi-audio-bt20a-pro","status":"publish","type":"product","link":"https:\/\/deskaudio.eu\/cs\/produkt\/fosi-audio-bt20a-pro\/","title":{"rendered":"Fosi Audio BT20A PRO 48V"},"content":{"rendered":"\t\t<div data-elementor-type=\"product-post\" data-elementor-id=\"1141\" class=\"elementor elementor-1141 elementor-1132\" data-elementor-post-type=\"product\">\n\t\t\t\t<div class=\"elementor-element elementor-element-efef10e e-flex e-con-boxed e-con e-parent\" data-id=\"efef10e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2179109 elementor-widget elementor-widget-html\" data-id=\"2179109\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<!-- ============================================================\r\n     FOSI AUDIO BT20A PRO (48V Edice) \u2014 Sekce (bez Hero)\r\n     Elementor-ready: vlo\u017ete do HTML Widgetu\r\n     ============================================================ -->\r\n\r\n<style>\r\n  @import url('https:\/\/fonts.googleapis.com\/css2?family=Syne:wght@400;500;600;700;800&family=Instrument+Sans:ital,wght@0,300;0,400;0,500;1,300&display=swap');\r\n\r\n  :root {\r\n    --bg: #F5F3EF;\r\n    --surface: #FFFFFF;\r\n    --border: #E4E0D8;\r\n    --text: #1A1916;\r\n    --muted: #7A7570;\r\n    --accent: #D4500A;\r\n    --accent-light: #FBF0EA;\r\n    --accent-mid: #F2D4C2;\r\n    --green: #2A6B4A;\r\n    --green-bg: #EAF4EF;\r\n    --shadow-sm: 0 1px 3px rgba(0,0,0,0.07);\r\n    --radius: 12px;\r\n    --radius-lg: 20px;\r\n  }\r\n\r\n  .bt20-body * { margin: 0; padding: 0; box-sizing: border-box; }\r\n\r\n  .bt20-body {\r\n    font-family: 'Instrument Sans', sans-serif;\r\n    font-weight: 300;\r\n    color: var(--text);\r\n    line-height: 1.6;\r\n    max-width: 1100px;\r\n    margin: 0 auto;\r\n    padding: 0 20px 80px;\r\n  }\r\n\r\n  .bt20-body h1, .bt20-body h2, .bt20-body h3, .bt20-body h4 {\r\n    font-family: 'Syne', sans-serif;\r\n    line-height: 1.15;\r\n  }\r\n\r\n  \/* \u2500\u2500 REVEAL \u2500\u2500 *\/\r\n  .bt20-reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.75s cubic-bezier(0.22,1,0.36,1), transform 0.75s cubic-bezier(0.22,1,0.36,1); }\r\n  .bt20-reveal.bt20-visible { opacity: 1; transform: translateY(0); }\r\n  .bt20-reveal-d1 { transition-delay: 0.05s; }\r\n  .bt20-reveal-d2 { transition-delay: 0.12s; }\r\n  .bt20-reveal-d3 { transition-delay: 0.20s; }\r\n\r\n  \/* \u2500\u2500 LABEL \u2500\u2500 *\/\r\n  .bt20-label { display: inline-flex; align-items: center; gap: 6px; font-family: 'Syne', sans-serif; font-size: 11px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; }\r\n  .bt20-label::before { content: ''; display: inline-block; width: 20px; height: 1px; background: var(--accent); }\r\n\r\n  \/* \u2500\u2500 SECTION \u2500\u2500 *\/\r\n  .bt20-section { margin-top: 72px; }\r\n  .bt20-section-header { margin-bottom: 40px; }\r\n  .bt20-section-header h2 { font-size: clamp(24px, 3.5vw, 36px); font-weight: 700; letter-spacing: -0.02em; color: var(--text); }\r\n  .bt20-section-header p { font-size: 15px; color: var(--muted); margin-top: 10px; max-width: 560px; line-height: 1.6; }\r\n\r\n  \/* \u2500\u2500 FOR WHOM \u2500\u2500 *\/\r\n  .bt20-whom-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }\r\n  .bt20-whom-card { background: var(--surface); border-radius: var(--radius); padding: 28px; border: 1px solid var(--border); box-shadow: var(--shadow-sm); }\r\n  .bt20-whom-card.bt20-yes .bt20-whom-icon { color: var(--green); }\r\n  .bt20-whom-card.bt20-no .bt20-whom-icon { color: #D4500A; opacity: 0.7; }\r\n  .bt20-whom-icon { font-size: 22px; margin-bottom: 12px; display: block; }\r\n  .bt20-whom-card h4 { font-size: 15px; font-weight: 700; letter-spacing: -0.01em; margin-bottom: 14px; color: var(--text); }\r\n  .bt20-whom-list { list-style: none; display: flex; flex-direction: column; gap: 9px; }\r\n  .bt20-whom-list li { font-size: 13.5px; color: var(--muted); padding-left: 18px; position: relative; line-height: 1.5; }\r\n  .bt20-whom-list li::before { content: '\u2192'; position: absolute; left: 0; font-size: 11px; top: 2px; color: var(--accent); }\r\n  .bt20-whom-card.bt20-no .bt20-whom-list li::before { content: '\u00d7'; color: var(--muted); font-size: 13px; top: 0; }\r\n\r\n  \/* \u2500\u2500 BT FEATURE PILLS \u2500\u2500 *\/\r\n  .bt20-feature-pills { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }\r\n  .bt20-pill { display: inline-flex; align-items: center; gap: 6px; font-family: 'Syne', sans-serif; font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; padding: 7px 14px; border-radius: 100px; background: var(--accent-light); color: var(--accent); border: 1px solid var(--accent-mid); }\r\n\r\n  \/* \u2500\u2500 SOUND \u2500\u2500 *\/\r\n  .bt20-sound-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 24px; }\r\n  .bt20-sound-card { background: var(--surface); border-radius: var(--radius); padding: 28px 24px; border: 1px solid var(--border); box-shadow: var(--shadow-sm); text-align: center; }\r\n  .bt20-sound-freq { font-family: 'Syne', sans-serif; font-size: 11px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; display: block; }\r\n  .bt20-sound-card h4 { font-size: 16px; font-weight: 700; margin-bottom: 10px; }\r\n  .bt20-sound-card p { font-size: 13.5px; color: var(--muted); line-height: 1.55; }\r\n  .bt20-sound-bar { height: 3px; background: var(--border); border-radius: 2px; margin: 14px 0 0; overflow: hidden; }\r\n  .bt20-sound-bar-fill { height: 100%; background: linear-gradient(90deg, var(--accent), #F2804A); border-radius: 2px; transition: width 1.2s cubic-bezier(0.22,1,0.36,1); }\r\n\r\n  \/* \u2500\u2500 BLACK BACKGROUND BOX \u2500\u2500 *\/\r\n  .bt20-black-bg-box { background: var(--text); border-radius: var(--radius); padding: 28px 32px; display: flex; gap: 20px; align-items: flex-start; margin-bottom: 24px; }\r\n  .bt20-black-bg-icon { width: 44px; height: 44px; background: rgba(212,80,10,0.2); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0; }\r\n  .bt20-black-bg-box h4 { font-family: 'Syne', sans-serif; font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 6px; }\r\n  .bt20-black-bg-box p { font-size: 14px; color: rgba(255,255,255,0.6); line-height: 1.6; }\r\n\r\n  .bt20-quote { background: var(--surface); border-left: 3px solid var(--accent); border-radius: 0 var(--radius) var(--radius) 0; padding: 24px 28px; box-shadow: var(--shadow-sm); }\r\n  .bt20-quote p { font-size: 15px; font-style: italic; color: var(--text); line-height: 1.65; }\r\n  .bt20-quote p::before { content: '\"'; color: var(--accent); font-family: 'Syne', sans-serif; font-size: 28px; line-height: 0; vertical-align: -10px; margin-right: 4px; }\r\n\r\n  \/* \u2500\u2500 COMPARISON TABLE \u2500\u2500 *\/\r\n  .bt20-table-wrap { background: var(--surface); border-radius: var(--radius); border: 1px solid var(--border); overflow-x: auto; -webkit-overflow-scrolling: touch; box-shadow: var(--shadow-sm); }\r\n  .bt20-table { width: 100%; min-width: 560px; border-collapse: collapse; }\r\n  .bt20-table thead tr { background: var(--text); color: #fff; }\r\n  .bt20-table thead th { padding: 16px 20px; font-family: 'Syne', sans-serif; font-size: 13px; font-weight: 700; letter-spacing: 0.05em; text-align: left; }\r\n  .bt20-table thead th:first-child { color: rgba(255,255,255,0.5); }\r\n  .bt20-table thead th.bt20-highlight { background: var(--accent); position: relative; }\r\n  .bt20-table thead th.bt20-highlight::after { content: 'PLN\u00c1 V\u00ddBAVA'; position: absolute; top: -18px; left: 50%; transform: translateX(-50%); font-size: 8px; letter-spacing: 0.15em; background: var(--accent); padding: 2px 8px; border-radius: 2px 2px 0 0; white-space: nowrap; }\r\n  .bt20-table tbody tr { border-bottom: 1px solid var(--border); transition: background 0.15s; }\r\n  .bt20-table tbody tr:hover { background: var(--bg); }\r\n  .bt20-table tbody tr:last-child { border-bottom: none; }\r\n  .bt20-table tbody td { padding: 14px 20px; font-size: 13.5px; color: var(--muted); vertical-align: middle; }\r\n  .bt20-table tbody td:first-child { font-weight: 500; color: var(--text); font-size: 13px; }\r\n  .bt20-table tbody td.bt20-highlight { background: var(--accent-light); color: var(--accent); font-weight: 600; font-size: 13px; }\r\n  .bt20-check { color: var(--green); font-size: 15px; }\r\n  .bt20-cross { color: var(--muted); font-size: 15px; }\r\n\r\n  .bt20-verdict-banner { margin-top: 16px; background: var(--green-bg); border: 1px solid #B8DCC8; border-radius: var(--radius); padding: 18px 22px; display: flex; gap: 12px; align-items: flex-start; }\r\n  .bt20-verdict-banner-icon { font-size: 20px; flex-shrink: 0; }\r\n  .bt20-verdict-banner p { font-size: 14px; color: #1D5236; line-height: 1.55; }\r\n  .bt20-verdict-banner strong { font-weight: 600; }\r\n\r\n  \/* \u2500\u2500 PERFECT SETUP \u2500\u2500 *\/\r\n  .bt20-setup-chain { display: flex; align-items: stretch; background: var(--surface); border-radius: var(--radius); border: 1px solid var(--border); overflow: hidden; box-shadow: var(--shadow-sm); }\r\n  .bt20-setup-step { flex: 1; padding: 28px 24px; position: relative; text-align: center; }\r\n  .bt20-setup-step:not(:last-child) { border-right: 1px solid var(--border); }\r\n  .bt20-setup-step:not(:last-child)::after { content: '\u2192'; position: absolute; right: -14px; top: 50%; transform: translateY(-50%); width: 28px; height: 28px; background: var(--surface); border: 1px solid var(--border); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 12px; color: var(--accent); z-index: 1; line-height: 28px; }\r\n  .bt20-setup-num { font-family: 'Syne', sans-serif; font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; display: block; }\r\n  .bt20-setup-step h4 { font-size: 15px; font-weight: 700; margin-bottom: 6px; }\r\n  .bt20-setup-step p { font-size: 13px; color: var(--muted); line-height: 1.5; }\r\n  .bt20-setup-step.bt20-active { background: var(--accent-light); }\r\n  .bt20-setup-step.bt20-active h4 { color: var(--accent); }\r\n\r\n  \/* \u2500\u2500 TECH SPECS \u2500\u2500 *\/\r\n  .bt20-specs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }\r\n  .bt20-spec-item { background: var(--surface); border-radius: var(--radius); padding: 22px 24px; border: 1px solid var(--border); box-shadow: var(--shadow-sm); display: flex; gap: 16px; align-items: flex-start; }\r\n  .bt20-spec-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); margin-top: 7px; flex-shrink: 0; }\r\n  .bt20-spec-item h4 { font-size: 12px; font-family: 'Syne', sans-serif; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }\r\n  .bt20-spec-item p { font-size: 14px; color: var(--text); font-weight: 400; line-height: 1.5; }\r\n\r\n  \/* \u2500\u2500 POWER NOTE \u2500\u2500 *\/\r\n  .bt20-power-note { margin-top: 16px; background: var(--accent-light); border: 1px solid var(--accent-mid); border-radius: var(--radius); padding: 16px 22px; display: flex; gap: 12px; align-items: flex-start; }\r\n  .bt20-power-note-icon { font-size: 18px; flex-shrink: 0; }\r\n  .bt20-power-note p { font-size: 13.5px; color: var(--accent); line-height: 1.55; }\r\n  .bt20-power-note strong { font-family: 'Syne', sans-serif; font-weight: 700; display: block; margin-bottom: 2px; }\r\n\r\n  \/* \u2500\u2500 HOW TO USE \u2500\u2500 *\/\r\n  .bt20-steps { display: flex; flex-direction: column; background: var(--surface); border-radius: var(--radius); border: 1px solid var(--border); overflow: hidden; box-shadow: var(--shadow-sm); }\r\n  .bt20-step { display: flex; gap: 24px; align-items: flex-start; padding: 24px 28px; border-bottom: 1px solid var(--border); transition: background 0.2s; }\r\n  .bt20-step:last-child { border-bottom: none; }\r\n  .bt20-step:hover { background: var(--bg); }\r\n  .bt20-step-num { font-family: 'Syne', sans-serif; font-size: 28px; font-weight: 800; color: var(--border); line-height: 1; flex-shrink: 0; width: 36px; transition: color 0.2s; }\r\n  .bt20-step:hover .bt20-step-num { color: var(--accent-mid); }\r\n  .bt20-step-content h4 { font-size: 15px; font-weight: 700; margin-bottom: 4px; }\r\n  .bt20-step-content p { font-size: 13.5px; color: var(--muted); line-height: 1.55; }\r\n\r\n  \/* \u2500\u2500 REVIEWS \u2500\u2500 *\/\r\n  .bt20-reviews-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }\r\n  .bt20-review { background: var(--surface); border-radius: var(--radius); padding: 24px; border: 1px solid var(--border); box-shadow: var(--shadow-sm); display: flex; flex-direction: column; gap: 14px; }\r\n  .bt20-review-stars { color: #F59E0B; font-size: 13px; letter-spacing: 1px; }\r\n  .bt20-review-text { font-size: 14px; color: var(--text); line-height: 1.6; font-style: italic; flex: 1; }\r\n  .bt20-review-author { font-family: 'Syne', sans-serif; font-size: 12px; font-weight: 700; color: var(--muted); letter-spacing: 0.05em; }\r\n  .bt20-review-author span { font-weight: 300; }\r\n  .bt20-review-author::before { content: '\u2014 '; }\r\n\r\n  \/* \u2500\u2500 FAQ \u2500\u2500 *\/\r\n  .bt20-faq { display: flex; flex-direction: column; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow-sm); background: var(--surface); }\r\n  .bt20-faq-item { border-bottom: 1px solid var(--border); }\r\n  .bt20-faq-item:last-child { border-bottom: none; }\r\n  .bt20-faq-q { width: 100%; background: none !important; border: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; padding: 22px 28px; font-family: 'Syne', sans-serif; font-size: 14.5px; font-weight: 600; color: #1A1916 !important; text-align: left; transition: background 0.15s; }\r\n  .bt20-faq-q:hover { background: var(--bg) !important; color: #1A1916 !important; }\r\n  .bt20-faq-q:focus { outline: none !important; color: #1A1916 !important; }\r\n  .bt20-faq-icon { width: 22px; height: 22px; border-radius: 50%; background: var(--bg); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; font-size: 14px; color: var(--accent); flex-shrink: 0; transition: background 0.2s, transform 0.3s; margin-left: 16px; }\r\n  .bt20-faq-item.bt20-open .bt20-faq-icon { background: var(--accent); color: #fff; transform: rotate(45deg); }\r\n  .bt20-faq-a { max-height: 0; overflow: hidden; transition: max-height 0.4s cubic-bezier(0.22,1,0.36,1), padding 0.3s; padding: 0 28px; font-size: 14px; color: var(--muted); line-height: 1.65; }\r\n  .bt20-faq-item.bt20-open .bt20-faq-a { max-height: 220px; padding: 0 28px 22px; }\r\n\r\n  \/* \u2500\u2500 URGENCY BAR \u2500\u2500 *\/\r\n  .bt20-urgency { background: var(--accent); border-radius: var(--radius); padding: 14px 24px; display: flex; align-items: center; justify-content: center; gap: 10px; margin-bottom: 32px; }\r\n  .bt20-urgency p { font-family: 'Syne', sans-serif; font-size: 13px; font-weight: 700; color: #fff; letter-spacing: 0.05em; }\r\n  .bt20-urgency-dot { width: 8px; height: 8px; border-radius: 50%; background: #fff; opacity: 0.6; flex-shrink: 0; animation: bt20-pulse 1.8s ease-in-out infinite; }\r\n  @keyframes bt20-pulse { 0%, 100% { opacity: 0.4; transform: scale(1); } 50% { opacity: 1; transform: scale(1.3); } }\r\n\r\n  \/* \u2500\u2500 FINAL CTA \u2500\u2500 *\/\r\n  .bt20-final-cta { margin-top: 72px; background: var(--text); border-radius: var(--radius-lg); padding: 60px 48px; text-align: center; position: relative; overflow: hidden; }\r\n  .bt20-final-cta::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 50% 0%, rgba(212,80,10,0.25) 0%, transparent 65%); pointer-events: none; }\r\n  .bt20-final-cta h2 { font-size: clamp(26px, 4vw, 42px); font-weight: 700; color: #fff; letter-spacing: -0.02em; margin-bottom: 14px; position: relative; }\r\n  .bt20-final-cta p { font-size: 16px; color: rgba(255,255,255,0.55); max-width: 480px; margin: 0 auto 36px; line-height: 1.6; position: relative; }\r\n  .bt20-final-cta-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; position: relative; margin-bottom: 28px; }\r\n  .bt20-btn-primary { display: inline-block; text-align: center; background: var(--accent); color: #fff !important; font-family: 'Syne', sans-serif; font-size: 15px; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; padding: 16px 40px; border-radius: var(--radius); text-decoration: none !important; border: none; cursor: pointer; transition: background 0.2s, transform 0.15s, box-shadow 0.2s; box-shadow: 0 4px 16px rgba(212,80,10,0.28); }\r\n  .bt20-btn-primary:hover, .bt20-btn-primary:focus, .bt20-btn-primary:visited { background: #bf4509; transform: translateY(-1px); box-shadow: 0 8px 24px rgba(212,80,10,0.35); color: #fff !important; text-decoration: none !important; }\r\n  .bt20-btn-secondary { display: inline-block; text-align: center; background: rgba(255,255,255,0.05); color: rgba(255,255,255,0.7) !important; font-family: 'Syne', sans-serif; font-size: 15px; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; padding: 16px 32px; border-radius: var(--radius); text-decoration: none !important; border: 1.5px solid rgba(255,255,255,0.2); cursor: pointer; transition: border-color 0.2s, background 0.2s; }\r\n  .bt20-btn-secondary:hover, .bt20-btn-secondary:focus, .bt20-btn-secondary:visited { border-color: rgba(255,255,255,0.5); background: rgba(255,255,255,0.1); color: rgba(255,255,255,0.7) !important; text-decoration: none !important; }\r\n  .bt20-final-trust { display: flex; gap: 24px; justify-content: center; flex-wrap: wrap; position: relative; }\r\n  .bt20-final-trust-item { font-size: 13px; color: rgba(255,255,255,0.4); }\r\n\r\n  \/* \u2500\u2500 RESPONSIVE \u2500\u2500 *\/\r\n  @media (max-width: 768px) {\r\n    .bt20-whom-grid, .bt20-specs-grid, .bt20-reviews-grid { grid-template-columns: 1fr; }\r\n    .bt20-sound-grid { grid-template-columns: 1fr; }\r\n    .bt20-setup-chain { flex-direction: column; }\r\n    .bt20-setup-step:not(:last-child) { border-right: none; border-bottom: 1px solid var(--border); }\r\n    .bt20-setup-step:not(:last-child)::after { display: none; }\r\n    .bt20-black-bg-box { flex-direction: column; gap: 12px; }\r\n    .bt20-final-cta { padding: 40px 24px; }\r\n  }\r\n<\/style>\r\n\r\n<div class=\"bt20-body\">\r\n\r\n  <!-- \u2550\u2550 PRO KOHO \u2550\u2550 -->\r\n  <div class=\"bt20-section bt20-reveal\">\r\n    <div class=\"bt20-section-header\">\r\n      <div class=\"bt20-label\">C\u00edlov\u00e1 skupina<\/div>\r\n      <h2>Pro koho je BT20A Pro ve 48V edici \u017eivotn\u00ed zm\u011bnou?<\/h2>\r\n    <\/div>\r\n    <div class=\"bt20-whom-grid\">\r\n      <div class=\"bt20-whom-card bt20-yes bt20-reveal bt20-reveal-d1\">\r\n        <span class=\"bt20-whom-icon\">\u2714<\/span>\r\n        <h4>Ide\u00e1ln\u00ed pro<\/h4>\r\n        <ul class=\"bt20-whom-list\">\r\n          <li>Hr\u00e1\u010de a Home Office \u2014 okam\u017eit\u00e1 vstupenka do sv\u011bta dosp\u011bl\u00e9ho Hi-Fi bez p\u0159ek\u00e1\u017eej\u00edc\u00edch obrovsk\u00fdch audio komponent\u016f na stole.<\/li>\r\n          <li>Majitele pasivn\u00edch reproduktor\u016f \u2014 vdechne nov\u00fd \u017eivot jak\u00fdmkoli reg\u00e1lovk\u00e1m i n\u00e1ro\u010dn\u011bj\u0161\u00edm sloupov\u00fdm reprosoustav\u00e1m d\u00edky mohutn\u00e9 rezerv\u011b proudu.<\/li>\r\n          <li>Vyznava\u010de nekompromisn\u00ed dynamiky \u2014 48V verze eliminuje jak\u00e9koli \u201ezad\u00fdch\u00e1n\u00ed\u201c \u010di zkreslen\u00ed zvuku i p\u0159i koncertn\u00edch hlasitostech.<\/li>\r\n        <\/ul>\r\n      <\/div>\r\n      <div class=\"bt20-whom-card bt20-no bt20-reveal bt20-reveal-d2\">\r\n        <span class=\"bt20-whom-icon\">\u2715<\/span>\r\n        <h4>Nen\u00ed ide\u00e1ln\u00ed pro<\/h4>\r\n        <ul class=\"bt20-whom-list\">\r\n          <li>P\u0159\u00edznivce v\u00edcekan\u00e1lov\u00e9ho dom\u00e1c\u00edho kina \u2014 jde o \u010distokrevn\u00e9 stereo (2.0 \/ 2.1), kter\u00e9 nepodporuje form\u00e1ty jako 5.1, DTS \u010di Dolby Atmos.<\/li>\r\n          <li>Ozvu\u010dov\u00e1n\u00ed obrovsk\u00fdch venkovn\u00edch hal \u2014 i p\u0159es extr\u00e9mn\u00ed \u0161pi\u010dkov\u00fd v\u00fdkon je prim\u00e1rn\u011b optimalizov\u00e1n pro dom\u00e1c\u00ed Hi-Fi poslech.<\/li>\r\n        <\/ul>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <!-- \u2550\u2550 ZVUK \u2550\u2550 -->\r\n  <div class=\"bt20-section bt20-reveal\">\r\n    <div class=\"bt20-section-header\">\r\n      <div class=\"bt20-label\">Zvukov\u00fd charakter<\/div>\r\n      <h2>Zvuk s neomezen\u00fdm dechem a \u010distotou<\/h2>\r\n      <p>Vy\u0161\u0161\u00ed nap\u011bt\u00ed 48V probouz\u00ed v oce\u0148ovan\u00e9m \u010dipu Texas Instruments TPA3255 skute\u010dn\u00e9ho d\u00e9mona. Zvuk m\u00e1 ohromn\u00fd \"headroom\" \u2014 dynamickou rezervu, kterou okam\u017eit\u011b uc\u00edt\u00edte.<\/p>\r\n    <\/div>\r\n\r\n    <div class=\"bt20-black-bg-box bt20-reveal\">\r\n      <div class=\"bt20-black-bg-icon\">\u2b1b<\/div>\r\n      <div>\r\n        <h4>Dokonal\u00e9 ticho a masivn\u00ed dynamick\u00e1 rezerva<\/h4>\r\n        <p>48V 5A nap\u00e1jec\u00ed adapt\u00e9r dod\u00e1v\u00e1 zesilova\u010di celkov\u011b a\u017e 240W energie. V\u00fdsledkem je absolutn\u011b bez\u0161umov\u00e9, takzvan\u00e9 \"\u010dern\u00e9 pozad\u00ed\", ze kter\u00e9ho bleskov\u011b a bez zkreslen\u00ed vystupuj\u00ed i ty nejjemn\u011bj\u0161\u00ed mikrodetaily nahr\u00e1vky.<\/p>\r\n      <\/div>\r\n    <\/div>\r\n\r\n    <div class=\"bt20-sound-grid\">\r\n      <div class=\"bt20-sound-card bt20-reveal bt20-reveal-d1\">\r\n        <span class=\"bt20-sound-freq\">Bass<\/span>\r\n        <h4>Autoritativn\u00ed & Hlubok\u00fd<\/h4>\r\n        <p>D\u00edky 48V proudu dr\u017e\u00ed zesilova\u010d basov\u00e9 membr\u00e1ny pod absolutn\u00ed kontrolou. Basy jsou mimo\u0159\u00e1dn\u011b rychl\u00e9, tvrd\u00e9 a \u00fadern\u00e9, bez jak\u00e9hokoli n\u00e1znaku dun\u011bn\u00ed \u010di rozmaz\u00e1n\u00ed.<\/p>\r\n        <div class=\"bt20-sound-bar\"><div class=\"bt20-sound-bar-fill\" style=\"width:96%\"><\/div><\/div>\r\n      <\/div>\r\n      <div class=\"bt20-sound-card bt20-reveal bt20-reveal-d2\">\r\n        <span class=\"bt20-sound-freq\">St\u0159edy<\/span>\r\n        <h4>Neuv\u011b\u0159iteln\u011b \u017eiv\u00e9 & Otev\u0159en\u00e9<\/h4>\r\n        <p>Vok\u00e1ly z\u00edsk\u00e1vaj\u00ed pln\u00e9 t\u011blo, plasti\u010dnost a hloubku. Akustick\u00e9 n\u00e1stroje maj\u00ed v\u011brnou texturu, p\u0159i\u010dem\u017e prostorov\u00e9 uspo\u0159\u00e1d\u00e1n\u00ed sc\u00e9ny v\u00e1s vt\u00e1hne p\u0159\u00edmo do nahr\u00e1vac\u00edho studia.<\/p>\r\n        <div class=\"bt20-sound-bar\"><div class=\"bt20-sound-bar-fill\" style=\"width:92%\"><\/div><\/div>\r\n      <\/div>\r\n      <div class=\"bt20-sound-card bt20-reveal bt20-reveal-d3\">\r\n        <span class=\"bt20-sound-freq\">V\u00fd\u0161ky<\/span>\r\n        <h4>Brilantn\u00ed & Detailn\u00ed<\/h4>\r\n        <p>\u010cist\u00e9 v\u00fd\u0161ky pln\u00e9 mikrodetail\u016f bez nep\u0159\u00edjemn\u00e9 ostrosti. T\u00f3nov\u00e9 korekce s p\u0159esn\u00fdm fyzick\u00fdm klikem ve st\u0159edov\u00e9 poloze nav\u00edc umo\u017e\u0148uj\u00ed bleskov\u00e9 p\u0159izp\u016fsoben\u00ed charakteru m\u00edstnosti.<\/p>\r\n        <div class=\"bt20-sound-bar\"><div class=\"bt20-sound-bar-fill\" style=\"width:90%\"><\/div><\/div>\r\n      <\/div>\r\n    <\/div>\r\n    <div class=\"bt20-quote bt20-reveal\">\r\n      <p>S\u00edla 48V nap\u00e1jen\u00ed posouv\u00e1 tento kompaktn\u00ed p\u0159\u00edstroj do teritoria, kde s p\u0159ehledem deklasuje klasick\u00e9, n\u011bkolikan\u00e1sobn\u011b dra\u017e\u0161\u00ed a t\u011b\u017e\u0161\u00ed Hi-Fi zesilova\u010de.<\/p>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <!-- \u2550\u2550 POROVN\u00c1N\u00cd \u2550\u2550 -->\r\n  <div class=\"bt20-section bt20-reveal\">\r\n    <div class=\"bt20-section-header\">\r\n      <div class=\"bt20-label\">Porovn\u00e1n\u00ed model\u016f<\/div>\r\n      <h2>BT20A Pro (48V Edice) vs. alternativy<\/h2>\r\n    <\/div>\r\n    <div class=\"bt20-table-wrap\">\r\n      <table class=\"bt20-table\">\r\n        <thead>\r\n          <tr>\r\n            <th>Funkce \/ parametr<\/th>\r\n            <th class=\"bt20-highlight\">Fosi BT20A Pro (48V Edice)<\/th>\r\n            <th>Fosi V3 (Z\u00e1kladn\u00ed 32V zdroj)<\/th>\r\n            <th>Aiyima A07 Pro (32V\/36V zdroj)<\/th>\r\n          <\/tr>\r\n        <\/thead>\r\n        <tbody>\r\n          <tr>\r\n            <td>Nap\u00e1jec\u00ed zdroj v balen\u00ed<\/td>\r\n            <td class=\"bt20-highlight\"><span class=\"bt20-check\">\u2714<\/span> Pr\u00e9miov\u00fd 48V 5A (240W)<\/td>\r\n            <td>Pouze slab\u0161\u00ed 32V 5A (160W)<\/td>\r\n            <td>Slab\u0161\u00ed 32V \/ 36V adapt\u00e9r<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Skute\u010dn\u011b dostupn\u00fd v\u00fdkon<\/td>\r\n            <td class=\"bt20-highlight\"><span class=\"bt20-check\">\u2714<\/span> A\u017e 2x 300W Max (pln\u00fd potenci\u00e1l)<\/td>\r\n            <td>Omezen\u00fd zdrojem (cca 2x 100W)<\/td>\r\n            <td>Omezen\u00fd zdrojem (cca 2x 100W)<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Bezdr\u00e1tov\u00e9 Bluetooth<\/td>\r\n            <td class=\"bt20-highlight\"><span class=\"bt20-check\">\u2714<\/span> Ano (SBC\/AAC, bleskov\u00e9 p\u00e1rov\u00e1n\u00ed)<\/td>\r\n            <td><span class=\"bt20-cross\">\u2715<\/span> Ne (\u010dist\u011b analogov\u00fd)<\/td>\r\n            <td>Ano (n\u00e1chyln\u011bj\u0161\u00ed na vysokofrekven\u010dn\u00ed \u0161um)<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>T\u00f3nov\u00e9 korekce<\/td>\r\n            <td class=\"bt20-highlight\">Basy + V\u00fd\u0161ky (s hardwarov\u00fdm bypassem)<\/td>\r\n            <td><span class=\"bt20-cross\">\u2715<\/span> Ne<\/td>\r\n            <td>Basy + V\u00fd\u0161ky<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Subwoofer Pre-Out<\/td>\r\n            <td class=\"bt20-highlight\">Regulovan\u00fd (hlasitost se m\u011bn\u00ed se zesilova\u010dem)<\/td>\r\n            <td>Regulovan\u00fd<\/td>\r\n            <td>Fixn\u00ed (nepraktick\u00fd pro subwoofery)<\/td>\r\n          <\/tr>\r\n        <\/tbody>\r\n      <\/table>\r\n    <\/div>\r\n    <div class=\"bt20-verdict-banner bt20-reveal\">\r\n      <span class=\"bt20-verdict-banner-icon\">\ud83c\udfc6<\/span>\r\n      <p><strong>Verdikt:<\/strong> BT20A Pro s p\u0159ibalen\u00fdm 48V 5A zdrojem nab\u00edz\u00ed neporovnateln\u011b lep\u0161\u00ed \u00fader a dynamiku ne\u017e verze s 32V adapt\u00e9rem. D\u00edky regulovan\u00e9mu subwoofer v\u00fdstupu a korekc\u00edm se jedn\u00e1 o absolutn\u00edho v\u00edt\u011bze v pom\u011bru cena\/v\u00fdkon.<\/p>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <!-- \u2550\u2550 PERFECT SETUP \u2550\u2550 -->\r\n  <div class=\"bt20-section bt20-reveal\">\r\n    <div class=\"bt20-section-header\">\r\n      <div class=\"bt20-label\">Doporu\u010den\u00e1 sestava<\/div>\r\n      <h2>Vyskl\u00e1dejte si \u201ePerfect Setup\"<\/h2>\r\n      <p>Tyto vybran\u00e9 komponenty jsme detailn\u011b otestovali \u2014 s 48V verz\u00ed BT20A Pro tvo\u0159\u00ed dokonale slad\u011bnou synergii.<\/p>\r\n    <\/div>\r\n    <div class=\"bt20-setup-chain\">\r\n      <div class=\"bt20-setup-step\">\r\n        <span class=\"bt20-setup-num\">1. \u010cist\u00fd zdroj<\/span>\r\n        <h4>DAC P\u0159evodn\u00edk<\/h4>\r\n        <p>Fosi Audio K5 Pro \u2014 eliminuje jak\u00e9koli elektromagnetick\u00e9 ru\u0161en\u00ed ze z\u00e1kladn\u00ed desky PC<\/p>\r\n      <\/div>\r\n      <div class=\"bt20-setup-step bt20-active\">\r\n        <span class=\"bt20-setup-num\">2. Srdce v\u00fdkonu<\/span>\r\n        <h4>BT20A Pro (48V)<\/h4>\r\n        <p>Zesilova\u010d se siln\u00fdm 48V 5A nap\u00e1jen\u00edm \u2014 odemyk\u00e1 brut\u00e1ln\u00ed s\u00edlu pro jak\u00e9koli repro<\/p>\r\n      <\/div>\r\n      <div class=\"bt20-setup-step\">\r\n        <span class=\"bt20-setup-num\">3. V\u00fdstup zvuku<\/span>\r\n        <h4>Reprosoustavy<\/h4>\r\n        <p>Q Acoustics 3030i (objemn\u00e9 reg\u00e1lovky) nebo Klipsch RP-600M II (vysoce dynamick\u00fd a detailn\u00ed projev)<\/p>\r\n      <\/div>\r\n      <div class=\"bt20-setup-step\">\r\n        <span class=\"bt20-setup-num\">4. Voliteln\u00fd bas<\/span>\r\n        <h4>Aktivn\u00ed Subwoofer<\/h4>\r\n        <p>Libovoln\u00fd aktivn\u00ed subwoofer p\u0159ipojen\u00fd do regulovan\u00e9ho 3.5mm Pre-Out portu<\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <!-- \u2550\u2550 TECH SPECS \u2550\u2550 -->\r\n  <div class=\"bt20-section bt20-reveal\">\r\n    <div class=\"bt20-section-header\">\r\n      <div class=\"bt20-label\">Technick\u00e9 parametry<\/div>\r\n      <h2>Legend\u00e1rn\u00ed \u010dip a pln\u00fd energetick\u00fd potenci\u00e1l<\/h2>\r\n    <\/div>\r\n    <div class=\"bt20-specs-grid\">\r\n      <div class=\"bt20-spec-item bt20-reveal bt20-reveal-d1\">\r\n        <div class=\"bt20-spec-dot\"><\/div>\r\n        <div><h4>Zesilovac\u00ed \u010cip<\/h4><p>Texas Instruments TPA3255 \u2014 audiofilsk\u00e1 \u0161pi\u010dka ve t\u0159\u00edd\u011b D pro maxim\u00e1ln\u00ed v\u011brnost zvuku<\/p><\/div>\r\n      <\/div>\r\n      <div class=\"bt20-spec-item bt20-reveal bt20-reveal-d2\">\r\n        <div class=\"bt20-spec-dot\"><\/div>\r\n        <div><h4>Skute\u010dn\u00fd V\u00fdkon (RMS)<\/h4><p>2\u00d7 220W p\u0159i 4 Ohmech (RMS) \u00b7 2\u00d7 110W p\u0159i 8 Ohmech (RMS) s p\u0159ibalen\u00fdm 48V zdrojem<\/p><\/div>\r\n      <\/div>\r\n      <div class=\"bt20-spec-item bt20-reveal bt20-reveal-d1\">\r\n        <div class=\"bt20-spec-dot\"><\/div>\r\n        <div><h4>Maxim\u00e1ln\u00ed V\u00fdkon (Peak)<\/h4><p>A\u017e 2\u00d7 300W p\u0159i 4 Ohmech (Peak \/ \u0160pi\u010dkov\u00fd v\u00fdkon p\u0159i pln\u00e9m 48V buzen\u00ed)<\/p><\/div>\r\n      <\/div>\r\n      <div class=\"bt20-spec-item bt20-reveal bt20-reveal-d2\">\r\n        <div class=\"bt20-spec-dot\"><\/div>\r\n        <div><h4>Bezdr\u00e1tov\u00fd p\u0159enos<\/h4><p>Bluetooth 5.0 s pr\u00e9miovou extern\u00ed ant\u00e9nou (dosah 15 m) a kodeky SBC\/AAC<\/p><\/div>\r\n      <\/div>\r\n      <div class=\"bt20-spec-item bt20-reveal bt20-reveal-d1\">\r\n        <div class=\"bt20-spec-dot\"><\/div>\r\n        <div><h4>Zvukov\u00e9 zkreslen\u00ed (THD)<\/h4><p>\u2264 0.005% \u2014 absolutn\u011b \u010dist\u00e1 a nezkreslen\u00e1 interpretace va\u0161ich nahr\u00e1vek<\/p><\/div>\r\n      <\/div>\r\n      <div class=\"bt20-spec-item bt20-reveal bt20-reveal-d2\">\r\n        <div class=\"bt20-spec-dot\"><\/div>\r\n        <div><h4>Fyzick\u00e9 rozm\u011bry<\/h4><p>127 \u00d7 127 \u00d7 25 mm \u2014 celohlin\u00edkov\u00e9 CNC \u0161asi, kter\u00e9 se doslova vejde do dlan\u011b<\/p><\/div>\r\n      <\/div>\r\n    <\/div>\r\n    <div class=\"bt20-power-note bt20-reveal\">\r\n      <span class=\"bt20-power-note-icon\">\u26a1<\/span>\r\n      <p><strong>Nekompromisn\u00ed 48V 5A Edice (240W)<\/strong>V\u011bt\u0161ina prodejc\u016f nab\u00edz\u00ed BT20A Pro pouze s levn\u011bj\u0161\u00edm 32V zdrojem, kter\u00fd um\u011ble limituje v\u00fdkon \u010dipu TPA3255 na polovinu. Na\u0161e speci\u00e1ln\u00ed edice obsahuje p\u0159\u00edmo v balen\u00ed nejsiln\u011bj\u0161\u00ed 48V 5A s\u00ed\u0165ov\u00fd adapt\u00e9r. Z\u00edsk\u00e1v\u00e1te tak 100% dynamiky, masivn\u00ed rezervu proudu a pln\u00fd v\u00fdkon bez jak\u00fdchkoli dal\u0161\u00edch investic.<\/p>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <!-- \u2550\u2550 HOW TO USE \u2550\u2550 -->\r\n  <div class=\"bt20-section bt20-reveal\">\r\n    <div class=\"bt20-section-header\">\r\n      <div class=\"bt20-label\">Instalace<\/div>\r\n      <h2>Spu\u0161t\u011bn\u00ed syst\u00e9mu za m\u00e9n\u011b ne\u017e 2 minuty<\/h2>\r\n    <\/div>\r\n    <div class=\"bt20-steps\">\r\n      <div class=\"bt20-step\">\r\n        <div class=\"bt20-step-num\">01<\/div>\r\n        <div class=\"bt20-step-content\">\r\n          <h4>P\u0159ipojte va\u0161e pasivn\u00ed reproduktory<\/h4>\r\n          <p>Kabely od reproduktor\u016f zapojte do masivn\u00edch reprosvorek na zadn\u00ed stran\u011b (doporu\u010dujeme pou\u017e\u00edt ban\u00e1nkov\u00e9 konektory pro bleskovou manipulaci).<\/p>\r\n        <\/div>\r\n      <\/div>\r\n      <div class=\"bt20-step\">\r\n        <div class=\"bt20-step-num\">02<\/div>\r\n        <div class=\"bt20-step-content\">\r\n          <h4>Zapojte masivn\u00ed 48V nap\u00e1jen\u00ed<\/h4>\r\n          <p>P\u0159ed zapojen\u00edm 48V 5A zdroje do elektrick\u00e9 s\u00edt\u011b st\u00e1hn\u011bte hlavn\u00ed hlasitost na nulu. N\u00e1sledn\u011b p\u0159epn\u011bte p\u0159edn\u00ed p\u00e1\u010dku do polohy \u201eOn\u201c.<\/p>\r\n        <\/div>\r\n      <\/div>\r\n      <div class=\"bt20-step\">\r\n        <div class=\"bt20-step-num\">03<\/div>\r\n        <div class=\"bt20-step-content\">\r\n          <h4>Sp\u00e1rujte zdroj hudby a u\u017e\u00edvejte si v\u00fdkon<\/h4>\r\n          <p>Zapn\u011bte Bluetooth v telefonu nebo PC, zvolte \u201eFosi Audio BT20A PRO\u201c a m\u016f\u017eete hr\u00e1t. Korekce bas\u016f a v\u00fd\u0161ek si nastavte podle u\u0161\u00ed, nebo je dejte do st\u0159edu na mechanick\u00fd \u201eklik\u201c (Pure Direct m\u00f3d).<\/p>\r\n        <\/div>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <!-- \u2550\u2550 RECENZE \u2550\u2550 -->\r\n  <div class=\"bt20-section bt20-reveal\">\r\n    <div class=\"bt20-section-header\">\r\n      <div class=\"bt20-label\">Hodnocen\u00ed z\u00e1kazn\u00edk\u016f<\/div>\r\n      <h2>Re\u00e1ln\u00e9 zku\u0161enosti z poslechu<\/h2>\r\n    <\/div>\r\n    <div class=\"bt20-reviews-grid\">\r\n      <div class=\"bt20-review bt20-reveal bt20-reveal-d1\">\r\n        <div class=\"bt20-review-stars\">\u2605\u2605\u2605\u2605\u2605<\/div>\r\n        <p class=\"bt20-review-text\">\u201eNejd\u0159\u00edv jsem v\u00e1hal, jestli 48V verze stoj\u00ed za p\u0159\u00edplatek, ale je to neuv\u011b\u0159iteln\u00fd rozd\u00edl. Zesilova\u010d s p\u0159ehledem ut\u00e1hne moje sloupov\u00e9 repro Klipsch. Basy jsou fantasticky pevn\u00e9, dynamika bere dech a v reproduktorech je absolutn\u00ed, hrobov\u00e9 ticho bez \u0161umu. Geni\u00e1ln\u00ed krabi\u010dka!\u201c<\/p>\r\n        <span class=\"bt20-review-author\">Marek <span>\u00b7 ov\u011b\u0159en\u00fd z\u00e1kazn\u00edk<\/span><\/span>\r\n      <\/div>\r\n      <div class=\"bt20-review bt20-reveal bt20-reveal-d2\">\r\n        <div class=\"bt20-review-stars\">\u2605\u2605\u2605\u2605\u2605<\/div>\r\n        <p class=\"bt20-review-text\">\u201eVym\u011bnil jsem obrovsk\u00fd, 15kilov\u00fd star\u00fd receiver za tento Fosi se 48V zdrojem. U\u0161et\u0159il jsem spoustu m\u00edsta na stole a zvuk je mnohem \u010dist\u011bj\u0161\u00ed a p\u0159esn\u011bj\u0161\u00ed. Bluetooth m\u00e1 vynikaj\u00edc\u00ed sign\u00e1l p\u0159es dv\u011b m\u00edstnosti. Oran\u017eov\u00fd knofl\u00edk vypad\u00e1 na\u017eivo skv\u011ble.\u201c<\/p>\r\n        <span class=\"bt20-review-author\">Tom\u00e1\u0161 <span>\u00b7 ov\u011b\u0159en\u00fd z\u00e1kazn\u00edk<\/span><\/span>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <!-- \u2550\u2550 FAQ \u2550\u2550 -->\r\n  <div class=\"bt20-section bt20-reveal\">\r\n    <div class=\"bt20-section-header\">\r\n      <div class=\"bt20-label\">\u010cast\u00e9 dotazy<\/div>\r\n      <h2>FAQ \u2014 V\u0161e, co chcete v\u011bd\u011bt<\/h2>\r\n    <\/div>\r\n    <div class=\"bt20-faq\">\r\n      <div class=\"bt20-faq-item\">\r\n        <button class=\"bt20-faq-q\" onclick=\"bt20Toggle(this)\">\r\n          Jak\u00fd je rozd\u00edl mezi 32V a touto 48V verz\u00ed?\r\n          <span class=\"bt20-faq-icon\">+<\/span>\r\n        <\/button>\r\n        <div class=\"bt20-faq-a\">Z\u00e1sadn\u00ed. S p\u0159ibalen\u00fdm 48V 5A nap\u00e1jec\u00edm zdrojem dok\u00e1\u017ee \u010dip TPA3255 pracovat na pln\u00fd v\u00fdkon a dod\u00e1vat a\u017e 2\u00d7 300W \u0161pi\u010dkov\u011b (RMS 2\u00d7 220W p\u0159i 4 Ohm). 32V verze je omezena na zlomek tohoto v\u00fdkonu, co\u017e se projev\u00ed na slab\u0161\u00ed kontrole bas\u016f a brzk\u00e9m zkreslen\u00ed zvuku p\u0159i vy\u0161\u0161\u00edch hlasitostech.<\/div>\r\n      <\/div>\r\n      <div class=\"bt20-faq-item\">\r\n        <button class=\"bt20-faq-q\" onclick=\"bt20Toggle(this)\">\r\n          Je 48V 5A nap\u00e1jec\u00ed zdroj skute\u010dn\u011b p\u0159\u00edmo sou\u010d\u00e1st\u00ed tohoto balen\u00ed?\r\n          <span class=\"bt20-faq-icon\">+<\/span>\r\n        <\/button>\r\n        <div class=\"bt20-faq-a\">Ano, u n\u00e1s kupujete kompletn\u00ed, nejv\u00fdkonn\u011bj\u0161\u00ed edici. Sou\u010d\u00e1st\u00ed balen\u00ed je origin\u00e1ln\u00ed, vysoce v\u00fdkonn\u00fd 48V 5A (240W) nap\u00e1jec\u00ed adapt\u00e9r. Nemus\u00edte nic slo\u017eit\u011b dokupovat ze zahrani\u010d\u00ed ani platit nav\u00edc \u2014 po rozbalen\u00ed m\u00e1te k dispozici okam\u017eit\u00fd maxim\u00e1ln\u00ed v\u00fdkon.<\/div>\r\n      <\/div>\r\n      <div class=\"bt20-faq-item\">\r\n        <button class=\"bt20-faq-q\" onclick=\"bt20Toggle(this)\">\r\n          M\u016f\u017eu na tomto zesilova\u010di vym\u011b\u0148ovat opera\u010dn\u00ed zesilova\u010de (Op-Amps)?\r\n          <span class=\"bt20-faq-icon\">+<\/span>\r\n        <\/button>\r\n        <div class=\"bt20-faq-a\">Ano. Fosi Audio BT20A Pro je vybaven paticemi DIP8, kter\u00e9 umo\u017e\u0148uj\u00ed snadnou v\u00fdm\u011bnu opera\u010dn\u00edch zesilova\u010d\u016f (tzv. Op-Amp Rolling). P\u0159edinstalovan\u00e9 \u010dipy NE5532 m\u016f\u017eete kdykoli vym\u011bnit za pr\u00e9miov\u00e9 MUSES02, OPA2134PA, OPA2604AP nebo diskr\u00e9tn\u00ed moduly Sparkos Labs a doladit si zvuk p\u0159esn\u011b podle va\u0161ich preferenc\u00ed.<\/div>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <!-- \u2550\u2550 FINAL CTA \u2550\u2550 -->\r\n  <div class=\"bt20-final-cta bt20-reveal\">\r\n    <div class=\"bt20-urgency\">\r\n      <span class=\"bt20-urgency-dot\"><\/span>\r\n      <p>SKLADEM \u2014 Posledn\u00ed kusy v t\u00e9to pr\u00e9miov\u00e9 48V konfiguraci<\/p>\r\n    <\/div>\r\n    <h2>Vstupte do sv\u011bta nekompromisn\u00edho zvuku<\/h2>\r\n    <p>Neuspokojte se s polovi\u010dn\u00edm v\u00fdkonem. Vyu\u017eijte maxim\u00e1ln\u00ed potenci\u00e1l sv\u00fdch reproduktor\u016f d\u00edky ov\u011b\u0159en\u00e9 kombinaci Fosi Audio BT20A Pro a \u0161pi\u010dkov\u00e9ho 48V nap\u00e1jen\u00ed p\u0159\u00edmo v krabici.<\/p>\r\n    <div class=\"bt20-final-cta-btns\">\r\n      <a href=\"#\" class=\"bt20-btn-primary\">\ud83d\uded2 P\u0159idat do ko\u0161\u00edku (48V Edice)<\/a>\r\n      <a href=\"\/sk\/produkt\/fosi-audio-bt30d-pro\/\" class=\"bt20-btn-secondary\">Pod\u00edvej se tak\u00e9 na Fosi Audio BT30D PRO<\/a>\r\n    <\/div>\r\n    <div class=\"bt20-final-trust\">\r\n      <span class=\"bt20-final-trust-item\">\ud83d\ude9a Expresn\u00ed doru\u010den\u00ed do 24\/48h<\/span>\r\n      <span class=\"bt20-final-trust-item\">\ud83d\udd01 14 dn\u00ed na vyzkou\u0161en\u00ed a vr\u00e1cen\u00ed<\/span>\r\n      <span class=\"bt20-final-trust-item\">\ud83d\udee1 Pln\u00e1 24m\u011bs\u00ed\u010dn\u00ed z\u00e1ruka<\/span>\r\n      <span class=\"bt20-final-trust-item\">\ud83d\udce6 Bezpe\u010dn\u011b zabaleno<\/span>\r\n    <\/div>\r\n  <\/div>\r\n\r\n<\/div>\r\n\r\n<script>\r\n  function bt20Toggle(btn) {\r\n    const item = btn.closest('.bt20-faq-item');\r\n    const wasOpen = item.classList.contains('bt20-open');\r\n    document.querySelectorAll('.bt20-faq-item.bt20-open').forEach(el => el.classList.remove('bt20-open'));\r\n    if (!wasOpen) item.classList.add('bt20-open');\r\n  }\r\n\r\n  (function() {\r\n    const els = document.querySelectorAll('.bt20-reveal');\r\n    if (!('IntersectionObserver' in window)) { els.forEach(el => el.classList.add('bt20-visible')); return; }\r\n    const obs = new IntersectionObserver((entries) => {\r\n      entries.forEach(entry => { if (entry.isIntersecting) { entry.target.classList.add('bt20-visible'); obs.unobserve(entry.target); } });\r\n    }, { threshold: 0.08 });\r\n    els.forEach(el => obs.observe(el));\r\n  })();\r\n\r\n  (function() {\r\n    const bars = document.querySelectorAll('.bt20-sound-bar-fill');\r\n    bars.forEach(bar => {\r\n      const target = bar.style.width;\r\n      bar.style.width = '0%';\r\n      const obs = new IntersectionObserver((entries) => {\r\n        entries.forEach(entry => { if (entry.isIntersecting) { setTimeout(() => { bar.style.width = target; }, 200); obs.unobserve(entry.target); } });\r\n      }, { threshold: 0.5 });\r\n      obs.observe(bar);\r\n    });\r\n  })();\r\n<\/script>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Fosi Audio BT20A Pro \u2013 Hi-Fi Bluetooth zesilova\u010d<\/p>\n<p><b>\u201eKompaktn\u00ed zesilova\u010d s v\u00fdkonem, kter\u00fd p\u0159ekvap\u00ed i n\u00e1ro\u010dn\u00e9 poslucha\u010de.\u201c<\/b><\/p>\n","protected":false},"featured_media":1169,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_glsr_average":0,"_glsr_ranking":0,"_glsr_reviews":0},"product_brand":[116],"product_cat":[80],"product_tag":[],"class_list":["post-1141","product","type-product","status-publish","has-post-thumbnail","product_brand-fosi-audio","product_cat-zesilovace","first","onbackorder","sale","shipping-taxable","purchasable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/deskaudio.eu\/cs\/wp-json\/wp\/v2\/product\/1141","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/deskaudio.eu\/cs\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/deskaudio.eu\/cs\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/deskaudio.eu\/cs\/wp-json\/wp\/v2\/comments?post=1141"}],"version-history":[{"count":16,"href":"https:\/\/deskaudio.eu\/cs\/wp-json\/wp\/v2\/product\/1141\/revisions"}],"predecessor-version":[{"id":3282,"href":"https:\/\/deskaudio.eu\/cs\/wp-json\/wp\/v2\/product\/1141\/revisions\/3282"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/deskaudio.eu\/cs\/wp-json\/wp\/v2\/media\/1169"}],"wp:attachment":[{"href":"https:\/\/deskaudio.eu\/cs\/wp-json\/wp\/v2\/media?parent=1141"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/deskaudio.eu\/cs\/wp-json\/wp\/v2\/product_brand?post=1141"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/deskaudio.eu\/cs\/wp-json\/wp\/v2\/product_cat?post=1141"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/deskaudio.eu\/cs\/wp-json\/wp\/v2\/product_tag?post=1141"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}