{"id":1132,"date":"2026-05-18T12:08:15","date_gmt":"2026-05-18T10:08:15","guid":{"rendered":"https:\/\/deskaudio.eu\/?post_type=product&#038;p=1132"},"modified":"2026-09-23T20:51:43","modified_gmt":"2026-09-23T18:51:43","slug":"fosi-audio-bt20a-pro","status":"publish","type":"product","link":"https:\/\/deskaudio.eu\/sk\/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=\"1132\" class=\"elementor 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 Ed\u00edcia) \u2014 Sekcie (bez Hero)\r\n     Elementor-ready: vlo\u017e do HTML Widget\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 PRE KOHO \u2550\u2550 -->\r\n  <div class=\"bt20-section bt20-reveal\">\r\n    <div class=\"bt20-section-header\">\r\n      <div class=\"bt20-label\">Cie\u013eov\u00e1 skupina<\/div>\r\n      <h2>Pre koho je BT20A Pro v 48V ed\u00edcii \u017eivotnou zmenou?<\/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\u00e1lny pre<\/h4>\r\n        <ul class=\"bt20-whom-list\">\r\n          <li>Hr\u00e1\u010dov a Home Office \u2014 okam\u017eit\u00e1 vstupenka do sveta dospel\u00e9ho Hi-Fi bez prek\u00e1\u017eaj\u00facich obrovsk\u00fdch audio komponentov na stole.<\/li>\r\n          <li>Majite\u013eov pas\u00edvnych reproduktorov \u2014 vd\u00fdchne nov\u00fd \u017eivot ak\u00fdmko\u013evek reg\u00e1lovk\u00e1m aj n\u00e1ro\u010dnej\u0161\u00edm st\u013apov\u00fdm repros\u00fastav\u00e1m v\u010faka mohutnej rezerve pr\u00fadu.<\/li>\r\n          <li>Vyzn\u00e1va\u010dov nekompromisnej dynamiky \u2014 48V verzia eliminuje ak\u00e9ko\u013evek \u201ezad\u00fdchanie\u201c \u010di skreslenie zvuku aj pri koncertn\u00fdch hlasitostiach.<\/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>Nie je ide\u00e1lny pre<\/h4>\r\n        <ul class=\"bt20-whom-list\">\r\n          <li>Priaznivcov viackan\u00e1lov\u00e9ho dom\u00e1ceho kina \u2014 ide o \u010distokrvn\u00e9 stereo (2.0 \/ 2.1), ktor\u00e9 nepodporuje form\u00e1ty ako 5.1, DTS \u010di Dolby Atmos.<\/li>\r\n          <li>Ozvu\u010dovanie obrovsk\u00fdch vonkaj\u0161\u00edch h\u00e1l \u2014 napriek extr\u00e9mnemu \u0161pi\u010dkov\u00e9mu v\u00fdkonu je prim\u00e1rne optimalizovan\u00fd pre dom\u00e1ce Hi-Fi po\u010d\u00favanie.<\/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 neobmedzen\u00fdm dychom a \u010distotou<\/h2>\r\n      <p>Vy\u0161\u0161ie nap\u00e4tie 48V preb\u00fadza v oce\u0148ovanom \u010dipe Texas Instruments TPA3255 skuto\u010dn\u00e9ho d\u00e9mona. Zvuk m\u00e1 ohromn\u00fd \"headroom\" \u2014 dynamick\u00fa rezervu, ktor\u00fa okam\u017eite uc\u00edtite.<\/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 mas\u00edvna dynamick\u00e1 rezerva<\/h4>\r\n        <p>48V 5A nap\u00e1jac\u00ed adapt\u00e9r dod\u00e1va zosil\u0148ova\u010du celkovo a\u017e 240W energie. V\u00fdsledkom je absol\u00fatne bez\u0161umov\u00e9, takzvan\u00e9 \"\u010dierne pozadie\", z ktor\u00e9ho bleskovo a bez skreslenia vystupuj\u00fa aj tie najjemnej\u0161ie 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>Autoritat\u00edvny & Hlbok\u00fd<\/h4>\r\n        <p>V\u010faka 48V pr\u00fadu dr\u017e\u00ed zosil\u0148ova\u010d basov\u00e9 membr\u00e1ny pod absol\u00fatnou kontrolou. Basy s\u00fa mimoriadne r\u00fdchle, tvrd\u00e9 a \u00fadern\u00e9, bez ak\u00e9hoko\u013evek n\u00e1znaku dunenia \u010di rozmazania.<\/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\">Stredy<\/span>\r\n        <h4>Neuverite\u013ene \u017eiv\u00e9 & Otvoren\u00e9<\/h4>\r\n        <p>Vok\u00e1ly z\u00edskavaj\u00fa pln\u00e9 telo, plastickos\u0165 a h\u013abku. Akustick\u00e9 n\u00e1stroje maj\u00fa vern\u00fa text\u00faru, pri\u010dom priestorov\u00e9 usporiadanie sc\u00e9ny v\u00e1s vtiahne priamo do nahr\u00e1vacieho \u0161t\u00fadia.<\/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\u00e9 & Detailn\u00e9<\/h4>\r\n        <p>\u010cist\u00e9 v\u00fd\u0161ky pln\u00e9 mikrodetailov bez nepr\u00edjemnej ostrosti. T\u00f3nov\u00e9 korekcie s presn\u00fdm fyzick\u00fdm klikom v stredovej polohe navy\u0161e umo\u017e\u0148uj\u00fa bleskov\u00e9 prisp\u00f4sobenie charakteru miestnosti.<\/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>Sila 48V nap\u00e1jania pos\u00fava tento kompaktn\u00fd pr\u00edstroj do terit\u00f3ria, kde s preh\u013eadom deklasuje klasick\u00e9, nieko\u013ekon\u00e1sobne drah\u0161ie a \u0165a\u017e\u0161ie Hi-Fi zosil\u0148ova\u010de.<\/p>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <!-- \u2550\u2550 POROVNANIE \u2550\u2550 -->\r\n  <div class=\"bt20-section bt20-reveal\">\r\n    <div class=\"bt20-section-header\">\r\n      <div class=\"bt20-label\">Porovnanie modelov<\/div>\r\n      <h2>BT20A Pro (48V Ed\u00edcia) vs. alternat\u00edvy<\/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>Funkcia \/ parameter<\/th>\r\n            <th class=\"bt20-highlight\">Fosi BT20A Pro (48V Ed\u00edcia)<\/th>\r\n            <th>Fosi V3 (Z\u00e1kladn\u00fd 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\u00e1jac\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>Iba 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>Skuto\u010dne 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>Obmedzen\u00fd zdrojom (cca 2x 100W)<\/td>\r\n            <td>Obmedzen\u00fd zdrojom (cca 2x 100W)<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Bezdr\u00f4tov\u00e9 Bluetooth<\/td>\r\n            <td class=\"bt20-highlight\"><span class=\"bt20-check\">\u2714<\/span> \u00c1no (SBC\/AAC, bleskov\u00e9 p\u00e1rovanie)<\/td>\r\n            <td><span class=\"bt20-cross\">\u2715<\/span> Nie (\u010disto anal\u00f3gov\u00fd)<\/td>\r\n            <td>\u00c1no (n\u00e1chylnej\u0161\u00ed na vysokofrekven\u010dn\u00fd \u0161um)<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>T\u00f3nov\u00e9 korekcie<\/td>\r\n            <td class=\"bt20-highlight\">Basy + V\u00fd\u0161ky (s hardv\u00e9rov\u00fdm bypassom)<\/td>\r\n            <td><span class=\"bt20-cross\">\u2715<\/span> Nie<\/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 (hlasitos\u0165 sa men\u00ed so zosil\u0148ova\u010dom)<\/td>\r\n            <td>Regulovan\u00fd<\/td>\r\n            <td>Fixn\u00fd (nepraktick\u00fd pre 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 pribalen\u00fdm 48V 5A zdrojom pon\u00faka neporovnate\u013ene lep\u0161\u00ed \u00fader a dynamiku ne\u017e verzie s 32V adapt\u00e9rom. V\u010faka regulovan\u00e9mu subwoofer v\u00fdstupu a korekci\u00e1m ide o absol\u00fatneho v\u00ed\u0165aza v pomere 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\">Odpor\u00fa\u010dan\u00e1 zostava<\/div>\r\n      <h2>Vyskladajte si \u201ePerfect Setup\"<\/h2>\r\n      <p>Tieto vybran\u00e9 komponenty sme detailne otestovali \u2014 s 48V verziou BT20A Pro tvoria dokonale zladen\u00fa synergiu.<\/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 Prevodn\u00edk<\/h4>\r\n        <p>Fosi Audio K5 Pro \u2014 eliminuje ak\u00e9ko\u013evek elektromagnetick\u00e9 ru\u0161enie zo z\u00e1kladnej dosky 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>Zosil\u0148ova\u010d so siln\u00fdm 48V 5A nap\u00e1jan\u00edm \u2014 odomyk\u00e1 brut\u00e1lnu silu pre ak\u00e9ko\u013evek 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>Repros\u00fastavy<\/h4>\r\n        <p>Q Acoustics 3030i (objemn\u00e9 reg\u00e1lovky) alebo Klipsch RP-600M II (vysoko dynamick\u00fd a detailn\u00fd prejav)<\/p>\r\n      <\/div>\r\n      <div class=\"bt20-setup-step\">\r\n        <span class=\"bt20-setup-num\">4. Volite\u013en\u00fd bas<\/span>\r\n        <h4>Akt\u00edvny Subwoofer<\/h4>\r\n        <p>\u013dubovo\u013en\u00fd akt\u00edvny subwoofer pripojen\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 parametre<\/div>\r\n      <h2>Legend\u00e1rny \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>Zosil\u0148ovac\u00ed \u010cip<\/h4><p>Texas Instruments TPA3255 \u2014 audiofilsk\u00e1 \u0161pi\u010dka v triede D pre maxim\u00e1lnu vernos\u0165 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>Skuto\u010dn\u00fd V\u00fdkon (RMS)<\/h4><p>2\u00d7 220W pri 4 Ohmoch (RMS) \u00b7 2\u00d7 110W pri 8 Ohmoch (RMS) s pribalen\u00fdm 48V zdrojom<\/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\u00e1lny V\u00fdkon (Peak)<\/h4><p>A\u017e 2\u00d7 300W pri 4 Ohmoch (Peak \/ \u0160pi\u010dkov\u00fd v\u00fdkon pri plnom 48V buden\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\u00f4tov\u00fd prenos<\/h4><p>Bluetooth 5.0 s pr\u00e9miovou externou ant\u00e9nou (dosah 15 m) a kodekmi 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 skreslenie (THD)<\/h4><p>\u2264 0.005% \u2014 absol\u00fatne \u010dist\u00e1 a neskreslen\u00e1 interpret\u00e1cia va\u0161ich nahr\u00e1vok<\/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 rozmery<\/h4><p>127 \u00d7 127 \u00d7 25 mm \u2014 celohlin\u00edkov\u00e9 CNC \u0161asi, ktor\u00e9 sa doslova zmest\u00ed do dlane<\/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\u00e1 48V 5A Ed\u00edcia (240W)<\/strong>V\u00e4\u010d\u0161ina predajcov pon\u00faka BT20A Pro len s lacnej\u0161\u00edm 32V zdrojom, ktor\u00fd umelo limituje v\u00fdkon \u010dipu TPA3255 na polovicu. Na\u0161a \u0161peci\u00e1lna ed\u00edcia obsahuje priamo v balen\u00ed najsilnej\u0161\u00ed 48V 5A sie\u0165ov\u00fd adapt\u00e9r. Z\u00edskavate tak 100% dynamiky, mas\u00edvnu rezervu pr\u00fadu a pln\u00fd v\u00fdkon bez ak\u00fdchko\u013evek \u010fal\u0161\u00edch invest\u00edci\u00ed.<\/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\">In\u0161tal\u00e1cia<\/div>\r\n      <h2>Spustenie syst\u00e9mu za menej ako 2 min\u00faty<\/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>Pripojte va\u0161e pas\u00edvne reproduktory<\/h4>\r\n          <p>K\u00e1ble od reproduktorov zapojte do mas\u00edvnych reprosvoriek na zadnej strane (odpor\u00fa\u010dame pou\u017ei\u0165 ban\u00e1nikov\u00e9 konektory pre bleskov\u00fa manipul\u00e1ciu).<\/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 mas\u00edvne 48V nap\u00e1janie<\/h4>\r\n          <p>Pred zapojen\u00edm 48V 5A zdroja do elektrickej siete stiahnite hlavn\u00fa hlasitos\u0165 na nulu. N\u00e1sledne prepnite predn\u00fa 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\u00edvajte si v\u00fdkon<\/h4>\r\n          <p>Zapnite Bluetooth v telef\u00f3ne alebo PC, zvo\u013ete \u201eFosi Audio BT20A PRO\u201c a m\u00f4\u017eete hra\u0165. Korekcie basov a v\u00fd\u0161ok si nastavte pod\u013ea u\u0161\u00ed, alebo ich dajte do stredu 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 RECENZIE \u2550\u2550 -->\r\n  <div class=\"bt20-section bt20-reveal\">\r\n    <div class=\"bt20-section-header\">\r\n      <div class=\"bt20-label\">Hodnotenia z\u00e1kazn\u00edkov<\/div>\r\n      <h2>Re\u00e1lne sk\u00fasenosti z posluchu<\/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\">\u201eNajsk\u00f4r som v\u00e1hal, \u010di 48V verzia stoj\u00ed za pr\u00edplatok, ale je to neuverite\u013en\u00fd rozdiel. Zosil\u0148ova\u010d s preh\u013eadom utiahne moje st\u013apov\u00e9 repro Klipsch. Basy s\u00fa fantasticky pevn\u00e9, dynamika berie dych a v reproduktoroch je absol\u00fatne, hrobov\u00e9 ticho bez \u0161umu. Geni\u00e1lna krabi\u010dka!\u201c<\/p>\r\n        <span class=\"bt20-review-author\">Marek <span>\u00b7 overen\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\">\u201eVymenil som obrovsk\u00fd, 15-kilov\u00fd star\u00fd receiver za tento Fosi s 48V zdrojom. U\u0161etril som kopu miesta na stole a zvuk je ove\u013ea \u010distej\u0161\u00ed a presnej\u0161\u00ed. Bluetooth m\u00e1 vynikaj\u00faci sign\u00e1l cez dve izby. Oran\u017eov\u00fd gomb\u00edk vyzer\u00e1 na\u017eivo skvele.\u201c<\/p>\r\n        <span class=\"bt20-review-author\">Tom\u00e1\u0161 <span>\u00b7 overen\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 ot\u00e1zky<\/div>\r\n      <h2>FAQ \u2014 V\u0161etko, \u010do chcete vedie\u0165<\/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          Ak\u00fd je rozdiel medzi 32V a touto 48V verziou?\r\n          <span class=\"bt20-faq-icon\">+<\/span>\r\n        <\/button>\r\n        <div class=\"bt20-faq-a\">Z\u00e1sadn\u00fd. S pribalen\u00fdm 48V 5A nap\u00e1jac\u00edm zdrojom dok\u00e1\u017ee \u010dip TPA3255 pracova\u0165 na pln\u00fd v\u00fdkon a dod\u00e1va\u0165 a\u017e 2x 300W \u0161pi\u010dkovo (RMS 2x 220W pri 4 Ohm). 32V verzia je obmedzen\u00e1 na zlomok tohto v\u00fdkonu, \u010do sa prejav\u00ed na slab\u0161ej kontrole basov a skor\u0161om skreslen\u00ed zvuku pri vy\u0161\u0161\u00edch hlasitostiach.<\/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\u00e1jac\u00ed zdroj skuto\u010dne priamo s\u00fa\u010das\u0165ou tohto balenia?\r\n          <span class=\"bt20-faq-icon\">+<\/span>\r\n        <\/button>\r\n        <div class=\"bt20-faq-a\">\u00c1no, u n\u00e1s kupujete kompletn\u00fa, najv\u00fdkonnej\u0161iu ed\u00edciu. S\u00fa\u010das\u0165ou balenia je origin\u00e1lny, vysoko v\u00fdkonn\u00fd 48V 5A (240W) nap\u00e1jac\u00ed adapt\u00e9r. Nemus\u00edte ni\u010d zlo\u017eito dokupova\u0165 zo zahrani\u010dia ani plati\u0165 navy\u0161e \u2014 po rozbalen\u00ed m\u00e1te k dispoz\u00edcii okam\u017eit\u00fd maxim\u00e1lny 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\u00f4\u017eem na tomto zosil\u0148ova\u010di vymie\u0148a\u0165 opera\u010dn\u00e9 zosil\u0148ova\u010de (Op-Amps)?\r\n          <span class=\"bt20-faq-icon\">+<\/span>\r\n        <\/button>\r\n        <div class=\"bt20-faq-a\">\u00c1no. Fosi Audio BT20A Pro je vybaven\u00fd p\u00e4ticami DIP8, ktor\u00e9 umo\u017e\u0148uj\u00fa jednoduch\u00fa v\u00fdmenu opera\u010dn\u00fdch zosil\u0148ova\u010dov (tzv. Op-Amp Rolling). Predin\u0161talovan\u00e9 NE5532 \u010dipy m\u00f4\u017eete kedyko\u013evek vymeni\u0165 za pr\u00e9miov\u00e9 MUSES02, OPA2134PA, OPA2604AP alebo diskr\u00e9tne moduly Sparkos Labs a doladi\u0165 si zvuk presne pod\u013ea va\u0161ich preferenci\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>SKLADOM \u2014 Posledn\u00e9 kusy v tejto pr\u00e9miovej 48V konfigur\u00e1cii<\/p>\r\n    <\/div>\r\n    <h2>Vst\u00fapte do sveta nekompromisn\u00e9ho zvuku<\/h2>\r\n    <p>Neuspokojte sa s polovi\u010dn\u00fdm v\u00fdkonom. Vyu\u017eite maxim\u00e1lny potenci\u00e1l svojich reproduktorov v\u010faka overenej kombin\u00e1cii Fosi Audio BT20A Pro a \u0161pi\u010dkov\u00e9ho 48V nap\u00e1jania priamo v krabici.<\/p>\r\n    <div class=\"bt20-final-cta-btns\">\r\n      <a href=\"#\" class=\"bt20-btn-primary\">\ud83d\uded2 Prida\u0165 do ko\u0161\u00edka (48V Ed\u00edcia)<\/a>\r\n      <a href=\"\/sk\/produkt\/fosi-audio-bt30d-pro\/\" class=\"bt20-btn-secondary\">Pozri aj 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\u00e9 doru\u010denie do 24\/48h<\/span>\r\n      <span class=\"bt20-final-trust-item\">\ud83d\udd01 14 dn\u00ed na vysk\u00fa\u0161anie a vr\u00e1tenie<\/span>\r\n      <span class=\"bt20-final-trust-item\">\ud83d\udee1 Pln\u00e1 24-mesa\u010dn\u00e1 z\u00e1ruka<\/span>\r\n      <span class=\"bt20-final-trust-item\">\ud83d\udce6 Bezpe\u010dne zabalen\u00e9<\/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 &#8211; <strong>Hi-Fi<\/strong> <strong>bluetooth zosil\u0148ova\u010d.<\/strong><\/p>\n<p><b>\u201eKompaktn\u00fd zosil\u0148ova\u010d s v\u00fdkonom, ktor\u00fd prekvap\u00ed aj n\u00e1ro\u010dn\u00fdch\u201c<\/b><\/p>\n","protected":false},"featured_media":1160,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_glsr_average":0,"_glsr_ranking":0,"_glsr_reviews":0},"product_brand":[115],"product_cat":[79],"product_tag":[],"class_list":["post-1132","product","type-product","status-publish","has-post-thumbnail","product_brand-fosi-audio","product_cat-zosilnovace","first","onbackorder","sale","shipping-taxable","purchasable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/deskaudio.eu\/sk\/wp-json\/wp\/v2\/product\/1132","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/deskaudio.eu\/sk\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/deskaudio.eu\/sk\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/deskaudio.eu\/sk\/wp-json\/wp\/v2\/comments?post=1132"}],"version-history":[{"count":25,"href":"https:\/\/deskaudio.eu\/sk\/wp-json\/wp\/v2\/product\/1132\/revisions"}],"predecessor-version":[{"id":3403,"href":"https:\/\/deskaudio.eu\/sk\/wp-json\/wp\/v2\/product\/1132\/revisions\/3403"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/deskaudio.eu\/sk\/wp-json\/wp\/v2\/media\/1160"}],"wp:attachment":[{"href":"https:\/\/deskaudio.eu\/sk\/wp-json\/wp\/v2\/media?parent=1132"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/deskaudio.eu\/sk\/wp-json\/wp\/v2\/product_brand?post=1132"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/deskaudio.eu\/sk\/wp-json\/wp\/v2\/product_cat?post=1132"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/deskaudio.eu\/sk\/wp-json\/wp\/v2\/product_tag?post=1132"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}