{"id":1374,"date":"2026-05-20T13:43:28","date_gmt":"2026-05-20T11:43:28","guid":{"rendered":"https:\/\/deskaudio.eu\/?p=1374"},"modified":"2026-10-21T22:06:26","modified_gmt":"2026-10-21T20:06:26","slug":"co-je-class-d-zesilovac-a-proc-ho-chces","status":"publish","type":"post","link":"https:\/\/deskaudio.eu\/cs\/co-je-class-d-zesilovac-a-proc-ho-chces\/","title":{"rendered":"Co je Class-D zesilova\u010d a pro\u010d ho chce\u0161?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"1374\" class=\"elementor elementor-1374 elementor-1361\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1d33803b e-con e-atomic-element e-div-block-base e-default-div e-47b5dd30-1d5d \" data-id=\"1d33803b\" data-element_type=\"e-div-block\" data-e-type=\"e-div-block\" data-interaction-id=\"1d33803b\" data-e-type=\"e-div-block\" data-id=\"1d33803b\">\n    \t\t\t<p class=\"da-art-lead e-paragraph-base e-default-p\" data-interaction-id=\"1a0838d4\" data-e-type=\"widget\" data-id=\"1a0838d4\">Mal\u00e1 krabi\u010dka, kter\u00e1 ut\u00e1hne velk\u00e9 reproduktory a p\u0159itom se skoro nezah\u0159eje. Vysv\u011btl\u00edme, jak Class-D funguje, pro\u010d nen\u00ed \u201edigit\u00e1ln\u00ed\u201c a na co se p\u0159i v\u00fdb\u011bru d\u00edvat.<\/p>\n\t\t<div class=\"elementor-element elementor-element-67265999 e-con e-atomic-element e-div-block-base e-default-div da-art-box \" data-id=\"67265999\" data-element_type=\"e-div-block\" data-e-type=\"e-div-block\" data-interaction-id=\"67265999\" data-e-type=\"e-div-block\" data-id=\"67265999\">\n    \t\t\t<p class=\"da-art-k e-paragraph-base e-default-p\" data-interaction-id=\"7fd0d277\" data-e-type=\"widget\" data-id=\"7fd0d277\">Ve zkratce<\/p>\n\t\t\t\t\t<span class=\"da-art-list e-a93412a-6840 e-paragraph-base e-default-span\" data-interaction-id=\"5baf52db\" data-e-type=\"widget\" data-id=\"5baf52db\"><ul><li>Class-D je sp\u00ednan\u00fd zesilova\u010d s \u00fa\u010dinnost\u00ed kolem 90 %. M\u00e9n\u011b tepla znamen\u00e1 men\u0161\u00ed rozm\u011bry.<\/li><li>\u201eD\u201c neznamen\u00e1 digit\u00e1ln\u00ed \u2013 sign\u00e1l se zpracov\u00e1v\u00e1 pulzn\u011b \u0161\u00ed\u0159kovou modulac\u00ed a na v\u00fdstupu je op\u011bt analogov\u00fd.<\/li><li>Modern\u00ed \u010dipy jako TI TPA3255 hraj\u00ed \u010dist\u011b a maj\u00ed n\u00edzk\u00e9 zkreslen\u00ed.<\/li><li>Na st\u016fl je to dnes nejprakti\u010dt\u011bj\u0161\u00ed t\u0159\u00edda zesilova\u010d\u016f.<\/li><\/ul><\/span>\n\t\t\n<\/div>\n\t\t\t<h2 data-interaction-id=\"1e5fdcdb\" class=\"da-art-h2 e-heading-base e-default-h2\" data-e-type=\"widget\" data-id=\"1e5fdcdb\">Co d\u011bl\u00e1 zesilova\u010d<\/h2>\n\t\t\t\t\t<p class=\"da-art-p e-paragraph-base e-default-p\" data-interaction-id=\"7b87d307\" data-e-type=\"widget\" data-id=\"7b87d307\">Zdroj zvuku \u2013 po\u010d\u00edta\u010d, DAC nebo telefon \u2013 pos\u00edl\u00e1 slab\u00fd sign\u00e1l. Pasivn\u00ed reproduktory pot\u0159ebuj\u00ed mnohem v\u00edc energie, aby rozpohybovaly membr\u00e1ny. Zesilova\u010d bere energii ze z\u00e1suvky a \u201ekop\u00edruje\u201c j\u00ed tvar p\u016fvodn\u00edho sign\u00e1lu, jen ve v\u011bt\u0161\u00edm.<\/p>\n\t\t\t\t\t<p class=\"da-art-p e-paragraph-base e-default-p\" data-interaction-id=\"17a79312\" data-e-type=\"widget\" data-id=\"17a79312\">Pro\u010d nesta\u010d\u00ed levn\u00e9 PC reproduktory? Maj\u00ed v sob\u011b mal\u00fd a slab\u00fd zesilova\u010d. Pokud chce\u0161 skute\u010dn\u00fd detail, prostor a basy, pot\u0159ebuje\u0161 pasivn\u00ed reproduktory a k nim dedikovan\u00fd zesilova\u010d.<\/p>\n\t\t\t\t\t<h3 data-interaction-id=\"6909b523\" class=\"da-art-h3 e-heading-base e-default-h3\" data-e-type=\"widget\" data-id=\"6909b523\">Jak funguje Class-D<\/h3>\n\t\t\t\t\t<p class=\"da-art-p e-paragraph-base e-default-p\" data-interaction-id=\"51986bf4\" data-e-type=\"widget\" data-id=\"51986bf4\">Klasick\u00e9 zesilova\u010de t\u0159\u00eddy A a AB pracuj\u00ed line\u00e1rn\u011b a velkou \u010d\u00e1st energie prom\u011bn\u00ed v teplo \u2013 proto maj\u00ed masivn\u00ed chladi\u010de. Class-D tranzistory rychle sp\u00edn\u00e1: sign\u00e1l se p\u0159evede na sled impulz\u016f (PWM), ty se zes\u00edl\u00ed a v\u00fdstupn\u00ed filtr z nich op\u011bt vytvo\u0159\u00ed plynul\u00fd sign\u00e1l pro reproduktory. Tranzistory jsou bu\u010f \u00fapln\u011b sepnut\u00e9, nebo vypnut\u00e9, tak\u017ee se zah\u0159\u00edvaj\u00ed jen minim\u00e1ln\u011b.<\/p>\n\t\t\t\t\t<p class=\"da-art-note e-paragraph-base e-default-p\" data-interaction-id=\"7d9f0ed8\" data-e-type=\"widget\" data-id=\"7d9f0ed8\"><strong>Class-D neznamen\u00e1 digit\u00e1ln\u00ed.<\/strong> P\u00edsmeno D je jen dal\u0161\u00ed v po\u0159ad\u00ed t\u0159\u00edd (A, B, C, D). Zesilova\u010d zpracov\u00e1v\u00e1 analogov\u00fd sign\u00e1l \u2013 digit\u00e1ln\u00ed zvuk z PC proto st\u00e1le pot\u0159ebuje DAC.<\/p>\n\t\t\t\t\t<h2 data-interaction-id=\"1390c699\" class=\"da-art-h2 e-heading-base e-default-h2\" data-e-type=\"widget\" data-id=\"1390c699\">T\u0159\u00eddy zesilova\u010d\u016f ve zkratce<\/h2>\n\t\t<div class=\"elementor-element elementor-element-545aa917 e-con e-atomic-element e-div-block-base e-default-div da-art-table \" data-id=\"545aa917\" data-element_type=\"e-div-block\" data-e-type=\"e-div-block\" data-interaction-id=\"545aa917\" data-e-type=\"e-div-block\" data-id=\"545aa917\">\n    <div class=\"elementor-element elementor-element-2f95ef5f e-con e-atomic-element e-div-block-base e-default-div da-art-thead da-art-tr \" data-id=\"2f95ef5f\" data-element_type=\"e-div-block\" data-e-type=\"e-div-block\" data-interaction-id=\"2f95ef5f\" data-e-type=\"e-div-block\" data-id=\"2f95ef5f\">\n    \t\t\t<p class=\"da-art-th e-paragraph-base e-default-p\" data-interaction-id=\"30cb625c\" data-e-type=\"widget\" data-id=\"30cb625c\">Vlastnost<\/p>\n\t\t\t\t\t<p class=\"da-art-th e-paragraph-base e-default-p\" data-interaction-id=\"2f6cd77a\" data-e-type=\"widget\" data-id=\"2f6cd77a\">Class-A<\/p>\n\t\t\t\t\t<p class=\"da-art-th e-paragraph-base e-default-p\" data-interaction-id=\"29015ece\" data-e-type=\"widget\" data-id=\"29015ece\">Class-AB<\/p>\n\t\t\t\t\t<p class=\"da-art-th e-paragraph-base e-default-p\" data-interaction-id=\"b8a60cc\" data-e-type=\"widget\" data-id=\"b8a60cc\">Class-D<\/p>\n\t\t\n<\/div>\n<div class=\"elementor-element elementor-element-700526e3 e-con e-atomic-element e-div-block-base e-default-div da-art-tr \" data-id=\"700526e3\" data-element_type=\"e-div-block\" data-e-type=\"e-div-block\" data-interaction-id=\"700526e3\" data-e-type=\"e-div-block\" data-id=\"700526e3\">\n    \t\t\t<p class=\"da-art-tdl da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"6955c178\" data-e-type=\"widget\" data-id=\"6955c178\">\u00da\u010dinnost<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"e49e985\" data-e-type=\"widget\" data-id=\"e49e985\">cca 20\u201330 %<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"1dd8a306\" data-e-type=\"widget\" data-id=\"1dd8a306\">cca 50\u201370 %<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"6b693ae0\" data-e-type=\"widget\" data-id=\"6b693ae0\">cca 90 %<\/p>\n\t\t\n<\/div>\n<div class=\"elementor-element elementor-element-3bfa2814 e-con e-atomic-element e-div-block-base e-default-div da-art-tr \" data-id=\"3bfa2814\" data-element_type=\"e-div-block\" data-e-type=\"e-div-block\" data-interaction-id=\"3bfa2814\" data-e-type=\"e-div-block\" data-id=\"3bfa2814\">\n    \t\t\t<p class=\"da-art-tdl da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"4f131bf7\" data-e-type=\"widget\" data-id=\"4f131bf7\">Teplo<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"714e9314\" data-e-type=\"widget\" data-id=\"714e9314\">hodn\u011b<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"40618885\" data-e-type=\"widget\" data-id=\"40618885\">st\u0159edn\u011b<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"48f7643a\" data-e-type=\"widget\" data-id=\"48f7643a\">minimum<\/p>\n\t\t\n<\/div>\n<div class=\"elementor-element elementor-element-8c770c8 e-con e-atomic-element e-div-block-base e-default-div da-art-tr \" data-id=\"8c770c8\" data-element_type=\"e-div-block\" data-e-type=\"e-div-block\" data-interaction-id=\"8c770c8\" data-e-type=\"e-div-block\" data-id=\"8c770c8\">\n    \t\t\t<p class=\"da-art-tdl da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"314c1bbe\" data-e-type=\"widget\" data-id=\"314c1bbe\">Velikost<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"29b5e9e0\" data-e-type=\"widget\" data-id=\"29b5e9e0\">velk\u00e1<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"c543202\" data-e-type=\"widget\" data-id=\"c543202\">st\u0159edn\u00ed a\u017e velk\u00e1<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"1991169c\" data-e-type=\"widget\" data-id=\"1991169c\">kompaktn\u00ed<\/p>\n\t\t\n<\/div>\n<div class=\"elementor-element elementor-element-25112cc6 e-con e-atomic-element e-div-block-base e-default-div da-art-tr \" data-id=\"25112cc6\" data-element_type=\"e-div-block\" data-e-type=\"e-div-block\" data-interaction-id=\"25112cc6\" data-e-type=\"e-div-block\" data-id=\"25112cc6\">\n    \t\t\t<p class=\"da-art-tdl da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"3d76b4d\" data-e-type=\"widget\" data-id=\"3d76b4d\">Cena za watt<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"26744823\" data-e-type=\"widget\" data-id=\"26744823\">vysok\u00e1<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"1eb52ebd\" data-e-type=\"widget\" data-id=\"1eb52ebd\">st\u0159edn\u00ed<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"59b1923f\" data-e-type=\"widget\" data-id=\"59b1923f\">n\u00edzk\u00e1<\/p>\n\t\t\n<\/div>\n<div class=\"elementor-element elementor-element-2e45180f e-con e-atomic-element e-div-block-base e-default-div da-art-tr \" data-id=\"2e45180f\" data-element_type=\"e-div-block\" data-e-type=\"e-div-block\" data-interaction-id=\"2e45180f\" data-e-type=\"e-div-block\" data-id=\"2e45180f\">\n    \t\t\t<p class=\"da-art-tdl da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"57fdde31\" data-e-type=\"widget\" data-id=\"57fdde31\">Na st\u016fl<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"1ad03d79\" data-e-type=\"widget\" data-id=\"1ad03d79\">nepraktick\u00e9<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"38d5e63e\" data-e-type=\"widget\" data-id=\"38d5e63e\">sp\u00ed\u0161 ne<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"4d848abd\" data-e-type=\"widget\" data-id=\"4d848abd\">ide\u00e1ln\u00ed<\/p>\n\t\t\n<\/div>\n\n<\/div>\n\t\t\t<h2 data-interaction-id=\"11bd0805\" class=\"da-art-h2 e-heading-base e-default-h2\" data-e-type=\"widget\" data-id=\"11bd0805\">Na co se p\u0159i v\u00fdb\u011bru d\u00edvat<\/h2>\n\t\t\t\t\t<h3 data-interaction-id=\"2947e62d\" class=\"da-art-h3 e-heading-base e-default-h3\" data-e-type=\"widget\" data-id=\"2947e62d\">\u010cip<\/h3>\n\t\t\t\t\t<p class=\"da-art-p e-paragraph-base e-default-p\" data-interaction-id=\"4bed9162\" data-e-type=\"widget\" data-id=\"4bed9162\">Zesilova\u010de Fosi Audio stav\u00ed na \u010dipu <strong>Texas Instruments TPA3255<\/strong> \u2013 osv\u011bd\u010den\u00e9 klasice s n\u00edzk\u00fdm zkreslen\u00edm a velkou v\u00fdkonovou rezervou. M\u00e1 ho <a href=\"https:\/\/deskaudio.eu\/cs\/produkt\/fosi-audio-za3\/\">Fosi ZA3<\/a>, <a href=\"https:\/\/deskaudio.eu\/cs\/produkt\/fosi-audio-v3-stereo\/\">V3 Stereo<\/a>, <a href=\"https:\/\/deskaudio.eu\/cs\/produkt\/fosi-audio-v3-mono\/\">V3 Mono<\/a>, <a href=\"https:\/\/deskaudio.eu\/cs\/produkt\/fosi-audio-bt20a-pro\/\">BT20A Pro<\/a> i <a href=\"https:\/\/deskaudio.eu\/cs\/produkt\/fosi-audio-bt30d-pro\/\">BT30D Pro<\/a>.<\/p>\n\t\t\t\t\t<h3 data-interaction-id=\"372df9e\" class=\"da-art-h3 e-heading-base e-default-h3\" data-e-type=\"widget\" data-id=\"372df9e\">V\u00fdkon a nap\u00e1jen\u00ed<\/h3>\n\t\t\t\t\t<p class=\"da-art-p e-paragraph-base e-default-p\" data-interaction-id=\"1e280e08\" data-e-type=\"widget\" data-id=\"1e280e08\">Na st\u016fl re\u00e1ln\u011b pot\u0159ebuje\u0161 des\u00edtky watt\u016f, ne stovky. U TPA3255 v\u0161ak o v\u00fdkonov\u00e9 rezerv\u011b rozhoduje nap\u00e1jec\u00ed zdroj \u2013 nap\u0159\u00edklad V3 Stereo dosahuje 2\u00d7 300 W @ 4 \u03a9 pr\u00e1v\u011b se 48V zdrojem. V\u017edy pou\u017e\u00edvej zdroj, kter\u00fd doporu\u010duje v\u00fdrobce.<\/p>\n\t\t\t\t\t<h3 data-interaction-id=\"56d474ce\" class=\"da-art-h3 e-heading-base e-default-h3\" data-e-type=\"widget\" data-id=\"56d474ce\">PFFB<\/h3>\n\t\t\t\t\t<p class=\"da-art-p e-paragraph-base e-default-p\" data-interaction-id=\"66f7d35d\" data-e-type=\"widget\" data-id=\"66f7d35d\">Star\u0161\u00ed Class-D zesilova\u010de m\u011bnily frekven\u010dn\u00ed odezvu podle impedance p\u0159ipojen\u00fdch reproduktor\u016f, hlavn\u011b ve v\u00fd\u0161k\u00e1ch. Zp\u011btn\u00e1 vazba za v\u00fdstupn\u00edm filtrem (PFFB, post-filter feedback) tento vliv potla\u010duje. M\u00e1 ji nap\u0159\u00edklad <a href=\"https:\/\/deskaudio.eu\/cs\/produkt\/fosi-audio-v3-mono\/\">Fosi V3 Mono<\/a>.<\/p>\n\t\t\t\t\t<h3 data-interaction-id=\"7645da94\" class=\"da-art-h3 e-heading-base e-default-h3\" data-e-type=\"widget\" data-id=\"7645da94\">Vstupy a funkce<\/h3>\n\t\t\t\t\t<p class=\"da-art-p e-paragraph-base e-default-p\" data-interaction-id=\"433a8538\" data-e-type=\"widget\" data-id=\"433a8538\">Rozhoduje, co k zesilova\u010di p\u0159ipoj\u00ed\u0161. Symetrick\u00fd vstup XLR\/TRS (ZA3, V3 Mono) pom\u00e1h\u00e1 proti brumu z PC, Bluetooth (BT20A Pro, BT30D Pro) u\u0161et\u0159\u00ed kabely k mobilu a v\u00fdstup pro subwoofer (ZA3, V3 Stereo, BT30D Pro) dopln\u00ed basy mal\u00fdm reproduktor\u016fm.<\/p>\n\t\t\t\t\t<h2 data-interaction-id=\"98f6947\" class=\"da-art-h2 e-heading-base e-default-h2\" data-e-type=\"widget\" data-id=\"98f6947\">Doporu\u010den\u00e9 Class-D zesilova\u010de<\/h2>\n\t\t<div class=\"elementor-element elementor-element-4382fae9 e-con e-atomic-element e-div-block-base e-default-div da-art-table \" data-id=\"4382fae9\" data-element_type=\"e-div-block\" data-e-type=\"e-div-block\" data-interaction-id=\"4382fae9\" data-e-type=\"e-div-block\" data-id=\"4382fae9\">\n    <div class=\"elementor-element elementor-element-1451fef6 e-con e-atomic-element e-div-block-base e-default-div da-art-thead da-art-tr \" data-id=\"1451fef6\" data-element_type=\"e-div-block\" data-e-type=\"e-div-block\" data-interaction-id=\"1451fef6\" data-e-type=\"e-div-block\" data-id=\"1451fef6\">\n    \t\t\t<p class=\"da-art-th e-paragraph-base e-default-p\" data-interaction-id=\"10c04b01\" data-e-type=\"widget\" data-id=\"10c04b01\">Parametr<\/p>\n\t\t\t\t\t<p class=\"da-art-th e-paragraph-base e-default-p\" data-interaction-id=\"33f99469\" data-e-type=\"widget\" data-id=\"33f99469\">Fosi ZA3<\/p>\n\t\t\t\t\t<p class=\"da-art-th e-paragraph-base e-default-p\" data-interaction-id=\"6ef727db\" data-e-type=\"widget\" data-id=\"6ef727db\">Fosi V3 Stereo<\/p>\n\t\t\t\t\t<p class=\"da-art-th e-paragraph-base e-default-p\" data-interaction-id=\"2dd4537c\" data-e-type=\"widget\" data-id=\"2dd4537c\">Fosi V3 Mono<\/p>\n\t\t\n<\/div>\n<div class=\"elementor-element elementor-element-1cbb54f2 e-con e-atomic-element e-div-block-base e-default-div da-art-tr \" data-id=\"1cbb54f2\" data-element_type=\"e-div-block\" data-e-type=\"e-div-block\" data-interaction-id=\"1cbb54f2\" data-e-type=\"e-div-block\" data-id=\"1cbb54f2\">\n    \t\t\t<p class=\"da-art-tdl da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"7ba3672a\" data-e-type=\"widget\" data-id=\"7ba3672a\">\u010cip<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"5abb4194\" data-e-type=\"widget\" data-id=\"5abb4194\">TPA3255<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"135990f6\" data-e-type=\"widget\" data-id=\"135990f6\">TPA3255<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"78cdd289\" data-e-type=\"widget\" data-id=\"78cdd289\">TPA3255<\/p>\n\t\t\n<\/div>\n<div class=\"elementor-element elementor-element-1ccfa7c e-con e-atomic-element e-div-block-base e-default-div da-art-tr \" data-id=\"1ccfa7c\" data-element_type=\"e-div-block\" data-e-type=\"e-div-block\" data-interaction-id=\"1ccfa7c\" data-e-type=\"e-div-block\" data-id=\"1ccfa7c\">\n    \t\t\t<p class=\"da-art-tdl da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"29c2a73f\" data-e-type=\"widget\" data-id=\"29c2a73f\">V\u00fdkon @ 4 \u03a9<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"5d7d3536\" data-e-type=\"widget\" data-id=\"5d7d3536\">2\u00d7 155 W<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"251f1619\" data-e-type=\"widget\" data-id=\"251f1619\">2\u00d7 300 W (48 V)<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"47d1d93\" data-e-type=\"widget\" data-id=\"47d1d93\">240 W \/ kus<\/p>\n\t\t\n<\/div>\n<div class=\"elementor-element elementor-element-2290658f e-con e-atomic-element e-div-block-base e-default-div da-art-tr \" data-id=\"2290658f\" data-element_type=\"e-div-block\" data-e-type=\"e-div-block\" data-interaction-id=\"2290658f\" data-e-type=\"e-div-block\" data-id=\"2290658f\">\n    \t\t\t<p class=\"da-art-tdl da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"4d9c11bb\" data-e-type=\"widget\" data-id=\"4d9c11bb\">Vstupy<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"71d70ad6\" data-e-type=\"widget\" data-id=\"71d70ad6\">XLR\/TRS, RCA<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"5954291c\" data-e-type=\"widget\" data-id=\"5954291c\">RCA<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"71be2a85\" data-e-type=\"widget\" data-id=\"71be2a85\">XLR\/TRS, RCA<\/p>\n\t\t\n<\/div>\n<div class=\"elementor-element elementor-element-21b5fa72 e-con e-atomic-element e-div-block-base e-default-div da-art-tr \" data-id=\"21b5fa72\" data-element_type=\"e-div-block\" data-e-type=\"e-div-block\" data-interaction-id=\"21b5fa72\" data-e-type=\"e-div-block\" data-id=\"21b5fa72\">\n    \t\t\t<p class=\"da-art-tdl da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"3fbed29d\" data-e-type=\"widget\" data-id=\"3fbed29d\">Bluetooth<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"666fd477\" data-e-type=\"widget\" data-id=\"666fd477\">ne<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"1972e454\" data-e-type=\"widget\" data-id=\"1972e454\">ne<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"24a69c0b\" data-e-type=\"widget\" data-id=\"24a69c0b\">ne<\/p>\n\t\t\n<\/div>\n<div class=\"elementor-element elementor-element-d2aaa98 e-con e-atomic-element e-div-block-base e-default-div da-art-tr \" data-id=\"d2aaa98\" data-element_type=\"e-div-block\" data-e-type=\"e-div-block\" data-interaction-id=\"d2aaa98\" data-e-type=\"e-div-block\" data-id=\"d2aaa98\">\n    \t\t\t<p class=\"da-art-tdl da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"585e31b\" data-e-type=\"widget\" data-id=\"585e31b\">Vestav\u011bn\u00fd DAC<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"1a3d781e\" data-e-type=\"widget\" data-id=\"1a3d781e\">ne<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"3c4c86fc\" data-e-type=\"widget\" data-id=\"3c4c86fc\">ne<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"626fd886\" data-e-type=\"widget\" data-id=\"626fd886\">ne<\/p>\n\t\t\n<\/div>\n<div class=\"elementor-element elementor-element-4f4b6f04 e-con e-atomic-element e-div-block-base e-default-div da-art-tr \" data-id=\"4f4b6f04\" data-element_type=\"e-div-block\" data-e-type=\"e-div-block\" data-interaction-id=\"4f4b6f04\" data-e-type=\"e-div-block\" data-id=\"4f4b6f04\">\n    \t\t\t<p class=\"da-art-tdl da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"5d01c905\" data-e-type=\"widget\" data-id=\"5d01c905\">Subwoofer<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"6349c640\" data-e-type=\"widget\" data-id=\"6349c640\">v\u00fdstup pro aktivn\u00ed sub<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"5884ec8a\" data-e-type=\"widget\" data-id=\"5884ec8a\">3,5mm pre-out<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"f24b272\" data-e-type=\"widget\" data-id=\"f24b272\">\u2014<\/p>\n\t\t\n<\/div>\n<div class=\"elementor-element elementor-element-5cce0750 e-con e-atomic-element e-div-block-base e-default-div da-art-tr \" data-id=\"5cce0750\" data-element_type=\"e-div-block\" data-e-type=\"e-div-block\" data-interaction-id=\"5cce0750\" data-e-type=\"e-div-block\" data-id=\"5cce0750\">\n    \t\t\t<p class=\"da-art-tdl da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"4bd2e794\" data-e-type=\"widget\" data-id=\"4bd2e794\">PFFB<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"48bcee10\" data-e-type=\"widget\" data-id=\"48bcee10\">\u2014<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"564684c8\" data-e-type=\"widget\" data-id=\"564684c8\">\u2014<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"da01c45\" data-e-type=\"widget\" data-id=\"da01c45\">ano<\/p>\n\t\t\n<\/div>\n<div class=\"elementor-element elementor-element-33b92042 e-con e-atomic-element e-div-block-base e-default-div da-art-tr \" data-id=\"33b92042\" data-element_type=\"e-div-block\" data-e-type=\"e-div-block\" data-interaction-id=\"33b92042\" data-e-type=\"e-div-block\" data-id=\"33b92042\">\n    \t\t\t<p class=\"da-art-tdl da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"37465494\" data-e-type=\"widget\" data-id=\"37465494\">Nejlep\u0161\u00ed pro<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"26854b20\" data-e-type=\"widget\" data-id=\"26854b20\">PC sestavu s XLR<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"221d08f0\" data-e-type=\"widget\" data-id=\"221d08f0\">kompaktn\u00ed stereo st\u016fl<\/p>\n\t\t\t\t\t<p class=\"da-art-td e-paragraph-base e-default-p\" data-interaction-id=\"af61562\" data-e-type=\"widget\" data-id=\"af61562\">monobloky pro puristy<\/p>\n\t\t\n<\/div>\n\n<\/div>\n\t\t\t<p class=\"da-art-p e-paragraph-base e-default-p\" data-interaction-id=\"3a67fc8c\" data-e-type=\"widget\" data-id=\"3a67fc8c\">Podrobn\u011b je rozeb\u00edr\u00e1me v <a href=\"https:\/\/deskaudio.eu\/cs\/fosi-audio-za3-recenze\/\">recenzi ZA3<\/a>, <a href=\"https:\/\/deskaudio.eu\/cs\/fosi-audio-v3-48v-kompaktni-hi-fi-zesilovac\/\">recenzi V3<\/a> a ve <a href=\"https:\/\/deskaudio.eu\/cs\/fosi-audio-v3-vs-za3\/\">srovn\u00e1n\u00ed V3 vs. ZA3<\/a>.<\/p>\n\t\t\t\t\t<div class=\"da-art-prod\" data-interaction-id=\"27b63f8\" data-e-type=\"widget\" data-id=\"27b63f8\"><style id=\"da-blog-css\">\r\n.dab-cat{display:inline-flex;align-items:center;gap:8px;font-family:var(--da-font-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;background:var(--da-accent-soft);color:var(--da-action)!important;padding:7px 12px;border-radius:999px;text-decoration:none!important}\r\n.dab-cat:before{content:\"\";width:7px;height:7px;border-radius:2px;background:currentColor}\r\n.dab-meta{display:flex;flex-wrap:wrap;gap:6px 18px;font-family:var(--da-font-mono);font-size:12px;color:var(--da-text-muted)}\r\n.dab-meta b{color:var(--da-text);font-weight:500}\r\n.dab-hero-box{background:var(--da-ink-bg);color:var(--da-ink-text);border-radius:20px;padding:24px}\r\n.dab-k{font-family:var(--da-font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--da-ink-muted)}\r\n.dab-hero-box h3{font-family:var(--da-font-display);font-weight:700;font-size:22px;letter-spacing:-.02em;line-height:1.2;margin:10px 0 8px;color:var(--da-ink-text)}\r\n.dab-hero-box p{color:var(--da-ink-muted);font-size:14px;line-height:1.55;margin:0}\r\n.dab-hero-prod{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:18px;padding-top:16px;border-top:1px solid var(--da-ink-border)}\r\n.dab-hero-prod .price{font-family:var(--da-font-display);font-weight:700;font-size:22px;color:var(--da-ink-text)}\r\n.dab-hero-prod .price del{font-size:14px;color:var(--da-ink-muted);font-weight:400;margin-right:6px}.dab-hero-prod .price ins{text-decoration:none}\r\n.dab-btn{display:inline-flex;align-items:center;gap:6px;font-family:var(--da-font-body);font-weight:600;font-size:14px;line-height:1;padding:11px 16px;border-radius:999px;background:var(--da-action);color:#fff!important;text-decoration:none!important;white-space:nowrap;transition:background .2s}\r\n.dab-btn:hover{background:var(--da-action-hover)}\r\n.dab-cover{border-radius:20px;overflow:hidden;background:var(--da-surface-2)}\r\n.dab-cover img{display:block;width:100%;height:auto;max-height:520px;object-fit:cover;mix-blend-mode:multiply}\r\n.dab-box{background:var(--da-surface);border:1px solid var(--da-border);border-radius:20px;padding:20px}\r\n.dab-box h4,.dab-toc summary{font-family:var(--da-font-mono);font-size:11px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--da-text-muted);margin:0 0 12px}\r\n.dab-toc summary{list-style:none;cursor:default}.dab-toc summary::-webkit-details-marker{display:none}\r\n.dab-toc ol{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px;font-size:14px}\r\n.dab-toc a{display:block;padding:7px 10px;border-radius:8px;color:var(--da-text-muted)!important;text-decoration:none!important;line-height:1.35}\r\n.dab-toc a.is-on{background:var(--da-bg);color:var(--da-text)!important;font-weight:600;box-shadow:inset 3px 0 0 var(--da-action)}\r\n.dab-prog{height:4px;background:var(--da-surface-2);border-radius:4px;margin-top:14px;overflow:hidden}.dab-prog i{display:block;height:100%;width:0;background:var(--da-action);transition:width .1s}\r\n.dab-mini{display:grid;grid-template-columns:52px 1fr;gap:12px;align-items:center;padding:10px 0;border-top:1px solid var(--da-border);text-decoration:none!important;color:var(--da-text)!important}\r\n.dab-mini:first-of-type{border-top:0;padding-top:0}\r\n.dab-mini .im{display:block;width:52px;height:52px;border-radius:10px;overflow:hidden;background:var(--da-surface-2)}.dab-mini .im img{display:block;width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}\r\n.dab-mini b{font-size:14px;font-weight:600;display:block;line-height:1.3}\r\n.dab-mini span{font-family:var(--da-font-mono);font-size:12px;color:var(--da-text-muted)}\r\n.dab-mini span del{opacity:.6}.dab-mini span ins{text-decoration:none}\r\n.dab-mini em,.dab-pcard em{font-style:normal}.dab-mini em.is-in,.dab-pcard em.is-in{color:var(--da-success)}\r\n.dab-help{font-size:14px;color:var(--da-text-muted)}.dab-help a{color:var(--da-text)!important;font-weight:600;text-decoration:underline;text-underline-offset:3px}\r\n.dab-verdict{background:var(--da-ink-bg);color:var(--da-ink-text);border-radius:20px;padding:32px;margin-top:48px}\r\n.dab-verdict .dab-k{color:var(--da-ink-accent)}\r\n.dab-verdict h3{font-family:var(--da-font-display);font-weight:700;font-size:28px;letter-spacing:-.02em;line-height:1.15;margin:10px 0 12px;color:var(--da-ink-text)}\r\n.dab-verdict p{color:var(--da-ink-muted);font-size:17px;line-height:1.65;margin:0}\r\n.dab-verdict .dab-btn{margin-top:20px}\r\n.dab-faq{margin-top:48px}\r\n.dab-faq h2{font-family:var(--da-font-display);font-weight:700;font-size:30px;letter-spacing:-.025em;margin:0 0 8px;color:var(--da-text)}\r\n.dab-faq details{border-bottom:1px solid var(--da-border)}\r\n.dab-faq summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 0;font-weight:600;font-size:17px;cursor:pointer;color:var(--da-text)}\r\n.dab-faq summary::-webkit-details-marker{display:none}\r\n.dab-faq summary:after{content:\"+\";flex:0 0 26px;height:26px;border-radius:50%;border:1px solid var(--da-border);display:grid;place-items:center;font-weight:400}\r\n.dab-faq details[open] summary:after{content:\"\u2013\"}\r\n.dab-faq .a{padding:0 0 18px;color:var(--da-text-muted);font-size:16px;line-height:1.65}\r\n.dab-author{display:grid;grid-template-columns:56px 1fr;gap:16px;align-items:center;margin-top:40px;padding:20px;border-radius:20px;background:var(--da-surface-2)}\r\n.dab-author .av{width:56px;height:56px;border-radius:50%;background:var(--da-text);color:var(--da-bg);display:grid;place-items:center;font-family:var(--da-font-display);font-weight:700;font-size:20px}\r\n.dab-author b{font-weight:600;display:block}.dab-author p{font-size:14px;color:var(--da-text-muted);margin:2px 0 0;line-height:1.5}\r\n.dab-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}\r\n.dab-card{background:var(--da-surface);border:1px solid var(--da-border);border-radius:20px;overflow:hidden;display:flex;flex-direction:column;color:var(--da-text)!important;text-decoration:none!important;transition:border-color .2s,transform .2s}\r\n.dab-card:hover{border-color:var(--da-action);transform:translateY(-3px)}\r\n.dab-card .im{position:relative;aspect-ratio:16\/9;background:var(--da-surface-2);overflow:hidden}\r\n.dab-card .im img{width:100%;height:100%;object-fit:cover;display:block;mix-blend-mode:multiply}\r\n.dab-card .im .dab-cat{position:absolute;left:14px;top:14px;font-size:10px;padding:5px 9px}\r\n.dab-card .bd{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1}\r\n.dab-card h3{font-family:var(--da-font-display);font-weight:700;font-size:20px;letter-spacing:-.015em;line-height:1.2;margin:0}\r\n.dab-card p{font-size:14px;color:var(--da-text-muted);margin:0;line-height:1.5}\r\n.dab-card .ft{margin-top:auto;padding-top:10px;display:flex;justify-content:space-between;font-family:var(--da-font-mono);font-size:12px;color:var(--da-text-muted)}\r\n.dab-card .ft b{color:var(--da-action);font-weight:500}\r\n.dab-bhero{display:grid;grid-template-columns:minmax(0,1fr);gap:14px}\r\n.dab-bhero .k{font-family:var(--da-font-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--da-action)}\r\n.dab-bhero h1{font-family:var(--da-font-display);font-weight:700;font-size:clamp(38px,5vw,64px);letter-spacing:-.035em;line-height:1.02;margin:0;color:var(--da-text)}\r\n.dab-bhero h1 span{color:var(--da-text-muted)}\r\n.dab-bhero p{font-size:18px;color:#3D3A35;max-width:600px;margin:0;line-height:1.55}\r\n.dab-filters{display:flex;gap:8px;flex-wrap:wrap}\r\n.dab-filters a{font-size:14px;font-weight:500;padding:9px 16px;border-radius:999px;border:1px solid var(--da-border);background:var(--da-surface);color:var(--da-text)!important;text-decoration:none!important}\r\n.dab-filters a.is-on{background:var(--da-text);color:var(--da-bg)!important;border-color:var(--da-text)}\r\n.dab-filters small{font-family:var(--da-font-mono);font-size:11px;color:var(--da-text-muted);margin-left:6px}.dab-filters a.is-on small{color:var(--da-ink-muted)}\r\n.dab-feat{display:grid;grid-template-columns:1.25fr 1fr;background:var(--da-surface);border:1px solid var(--da-border);border-radius:24px;overflow:hidden;color:var(--da-text)!important;text-decoration:none!important}\r\n.dab-feat .im{min-height:320px;background:var(--da-surface-2)}.dab-feat .im img{width:100%;height:100%;object-fit:cover;display:block;mix-blend-mode:multiply}\r\n.dab-feat .bd{padding:36px;display:flex;flex-direction:column;gap:14px;justify-content:center;align-items:flex-start}\r\n.dab-feat h2{font-family:var(--da-font-display);font-weight:700;font-size:34px;letter-spacing:-.03em;line-height:1.08;margin:0}\r\n.dab-feat p{color:var(--da-text-muted);margin:0}\r\n.dab-start{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}\r\n.dab-step{background:var(--da-surface);border:1px solid var(--da-border);border-radius:20px;padding:20px;display:flex;flex-direction:column;gap:8px;color:var(--da-text)!important;text-decoration:none!important;transition:border-color .2s}\r\n.dab-step:hover{border-color:var(--da-action)}\r\n.dab-step .n{font-family:var(--da-font-mono);font-size:12px;color:var(--da-action)}\r\n.dab-step b{font-family:var(--da-font-display);font-weight:700;font-size:18px;letter-spacing:-.01em;line-height:1.25}\r\n.dab-step 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window.addEventListener('scroll',onScroll,{passive:true});onScroll();\r\n}\r\nif(document.readyState!=='loading')init();else document.addEventListener('DOMContentLoaded',init);\r\n})();\r\n<\/script><a class=\"dab-pcard\" href=\"https:\/\/deskaudio.eu\/cs\/produkt\/fosi-audio-za3\/\"><span class=\"im\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/deskaudio.eu\/wp-content\/uploads\/2026\/05\/PD_Fosi-Audio-ZA3_001-300x300.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Fosi Audio ZA3\" loading=\"lazy\" srcset=\"https:\/\/deskaudio.eu\/wp-content\/uploads\/2026\/05\/PD_Fosi-Audio-ZA3_001-300x300.webp 300w, https:\/\/deskaudio.eu\/wp-content\/uploads\/2026\/05\/PD_Fosi-Audio-ZA3_001-100x100.webp 100w, https:\/\/deskaudio.eu\/wp-content\/uploads\/2026\/05\/PD_Fosi-Audio-ZA3_001-600x600.webp 600w, https:\/\/deskaudio.eu\/wp-content\/uploads\/2026\/05\/PD_Fosi-Audio-ZA3_001-1024x1024.webp 1024w, https:\/\/deskaudio.eu\/wp-content\/uploads\/2026\/05\/PD_Fosi-Audio-ZA3_001-150x150.webp 150w, https:\/\/deskaudio.eu\/wp-content\/uploads\/2026\/05\/PD_Fosi-Audio-ZA3_001-768x768.webp 768w, https:\/\/deskaudio.eu\/wp-content\/uploads\/2026\/05\/PD_Fosi-Audio-ZA3_001-1536x1536.webp 1536w, https:\/\/deskaudio.eu\/wp-content\/uploads\/2026\/05\/PD_Fosi-Audio-ZA3_001.webp 1600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/span><div><b>Fosi Audio ZA3<\/b><span class=\"s\">Stereo zesilova\u010d t\u0159\u00eddy D se vstupem XLR pro pasivn\u00ed reprosoustavy \u00b7 <em class=\"is-in\">skladem<\/em><\/span><\/div><div class=\"r\"><span class=\"price\"><span class=\"woocommerce-Price-amount amount\"><bdi>4 000&nbsp;<span class=\"woocommerce-Price-currencySymbol\" translate=\"no\" dir=\"auto\">&#75;&#269;<\/span><\/bdi><\/span><\/span><span class=\"dab-btn\">Zobrazit \u2192<\/span><\/div><\/a><\/div>\n\t\t\t\t\t<h2 data-interaction-id=\"9229e1a\" class=\"da-art-h2 e-heading-base e-default-h2\" data-e-type=\"widget\" data-id=\"9229e1a\">Klady a z\u00e1pory Class-D<\/h2>\n\t\t<div class=\"elementor-element elementor-element-1df39f03 e-con e-atomic-element e-div-block-base e-default-div da-art-pc \" data-id=\"1df39f03\" data-element_type=\"e-div-block\" data-e-type=\"e-div-block\" data-interaction-id=\"1df39f03\" data-e-type=\"e-div-block\" data-id=\"1df39f03\">\n    <div class=\"elementor-element elementor-element-5cb979a1 e-con e-atomic-element e-div-block-base e-default-div da-art-plus \" data-id=\"5cb979a1\" data-element_type=\"e-div-block\" data-e-type=\"e-div-block\" data-interaction-id=\"5cb979a1\" data-e-type=\"e-div-block\" data-id=\"5cb979a1\">\n    \t\t\t<p class=\"da-art-k-ok da-art-k e-paragraph-base e-default-p\" data-interaction-id=\"421e6dde\" data-e-type=\"widget\" data-id=\"421e6dde\">Klady<\/p>\n\t\t\t\t\t<span class=\"da-art-list e-304f6189-42d5 e-paragraph-base e-default-span\" data-interaction-id=\"21787c84\" data-e-type=\"widget\" data-id=\"21787c84\"><ul><li>Mal\u00e9 rozm\u011bry \u2013 vejde se pod monitor<\/li><li>\u00da\u010dinnost kolem 90 % a skoro \u017e\u00e1dn\u00e9 teplo<\/li><li>Velk\u00fd v\u00fdkon za rozumnou cenu<\/li><li>N\u00edzk\u00e9 zkreslen\u00ed u modern\u00edch \u010dip\u016f<\/li><\/ul><\/span>\n\t\t\n<\/div>\n<div class=\"elementor-element elementor-element-7df6ef83 e-con e-atomic-element e-div-block-base e-default-div da-art-minus \" data-id=\"7df6ef83\" data-element_type=\"e-div-block\" data-e-type=\"e-div-block\" data-interaction-id=\"7df6ef83\" data-e-type=\"e-div-block\" data-id=\"7df6ef83\">\n    \t\t\t<p class=\"da-art-k-muted da-art-k e-paragraph-base e-default-p\" data-interaction-id=\"4c43ea6e\" data-e-type=\"widget\" data-id=\"4c43ea6e\">Z\u00e1pory<\/p>\n\t\t\t\t\t<span class=\"da-art-list e-55c21c8b-40b6 e-paragraph-base e-default-span\" data-interaction-id=\"2b220392\" data-e-type=\"widget\" data-id=\"2b220392\"><ul><li>Kvalita z\u00e1vis\u00ed na nap\u00e1jec\u00edm zdroji<\/li><li>Bez PFFB m\u016f\u017ee zvuk z\u00e1viset na impedanci reproduktor\u016f<\/li><li>Nem\u00e1 vestav\u011bn\u00fd DAC \u2013 k PC ho je t\u0159eba p\u0159idat<\/li><\/ul><\/span>\n\t\t\n<\/div>\n\n<\/div>\n\t\t\t<h2 data-interaction-id=\"46359664\" class=\"da-art-h2 e-heading-base e-default-h2\" data-e-type=\"widget\" data-id=\"46359664\">Jak poskl\u00e1dat sestavu k PC<\/h2>\n\t\t\t\t\t<span class=\"da-art-steps e-paragraph-base e-default-span\" data-interaction-id=\"6503b47\" data-e-type=\"widget\" data-id=\"6503b47\"><ol><li><strong>Po\u010d\u00edta\u010d<\/strong> pos\u00edl\u00e1 zvuk digit\u00e1ln\u011b p\u0159es USB.<\/li><li><strong>DAC<\/strong> ho p\u0159evede na analogov\u00fd sign\u00e1l \u2013 nap\u0159\u00edklad <a href=\"https:\/\/deskaudio.eu\/cs\/produkt\/dac-smsl-su-1\/\">SMSL SU-1<\/a>.<\/li><li><strong>Class-D zesilova\u010d<\/strong> sign\u00e1l zes\u00edl\u00ed pro reproduktory.<\/li><li><strong>Pasivn\u00ed reproduktory<\/strong> ho prom\u011bn\u00ed ve zvuk.<\/li><\/ol><\/span>\n\t\t\t\t\t<p class=\"da-art-p e-paragraph-base e-default-p\" data-interaction-id=\"3740f4\" data-e-type=\"widget\" data-id=\"3740f4\">Kompletn\u00ed n\u00e1vod najde\u0161 v \u010dl\u00e1nku <a href=\"https:\/\/deskaudio.eu\/cs\/nejlepsi-audio-setup-k-pc\/\">Audio setup k PC<\/a>, v\u00fdb\u011br konkr\u00e9tn\u00edho modelu v <a href=\"https:\/\/deskaudio.eu\/cs\/jak-vybrat-zesilovac-k-pc\/\">pr\u016fvodci v\u00fdb\u011brem zesilova\u010de<\/a>.<\/p>\n\t\t\n<\/div>\n\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Jak funguje Class-D zesilova\u010d, pro\u010d nen\u00ed \u201edigit\u00e1ln\u00ed\u201c a pro\u010d je dnes nejlep\u0161\u00ed volbou na st\u016fl. Vysv\u011btl\u00edme \u010dip TPA3255, PFFB i v\u00fdb\u011br v\u00fdkonu.<\/p>\n","protected":false},"author":1,"featured_media":1373,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_glsr_average":0,"_glsr_ranking":0,"_glsr_reviews":0,"footnotes":""},"categories":[67,63],"tags":[],"class_list":["post-1374","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pruvodce","category-audio"],"acf":{"da_clanok_verdikt_nadpis":"Class-D je dnes nejrozumn\u011bj\u0161\u00ed volba zesilova\u010de na st\u016fl.","da_clanok_verdikt":"Mal\u00fd, chladn\u00fd a v\u00fdkonn\u00fd \u2013 p\u0159esn\u011b to od zesilova\u010de k PC chce\u0161. Pro v\u011bt\u0161inu sestav doporu\u010dujeme Fosi ZA3 s \u010dipem TPA3255. Pokud ti sta\u010d\u00ed jeden vstup RCA, V3 Stereo nab\u00edz\u00ed stejn\u00fd \u010dip za m\u00e9n\u011b. Pro puristy je tu V3 Mono s technologi\u00ed PFFB.","da_clanok_hlavny_produkt":606,"da_clanok_produkty":[1087,955,1141],"da_faq":[{"otazka":"Je Class-D hor\u0161\u00ed ne\u017e Class-AB?","odpoved":"Ne. Modern\u00ed Class-D zesilova\u010de s kvalitn\u00edm \u010dipem a nap\u00e1jen\u00edm se m\u011b\u0159\u00ed i hraj\u00ed na \u00farovni dobr\u00fdch AB zesilova\u010d\u016f \u2013 a jsou men\u0161\u00ed, chladn\u011bj\u0161\u00ed a levn\u011bj\u0161\u00ed."},{"otazka":"H\u0159eje se Class-D zesilova\u010d?","odpoved":"Jen m\u00edrn\u011b. P\u0159i b\u011b\u017en\u00e9 hlasitosti na stole z\u016fst\u00e1v\u00e1 vla\u017en\u00fd, proto\u017ee v\u011bt\u0161inu energie prom\u011bn\u00ed ve zvuk, ne v teplo."},{"otazka":"M\u00e1 Fosi ZA3 Bluetooth nebo DAC?","odpoved":"Ne. ZA3 m\u00e1 analogov\u00e9 vstupy XLR\/TRS a RCA. Pro p\u0159ehr\u00e1v\u00e1n\u00ed z PC k n\u011bmu p\u0159idej extern\u00ed DAC, nap\u0159\u00edklad SMSL SU-1."},{"otazka":"Jak\u00fd nap\u00e1jec\u00ed zdroj pot\u0159ebuji?","odpoved":"V\u017edy ten, kter\u00fd doporu\u010duje v\u00fdrobce. Nap\u0159\u00edklad V3 Stereo dosahuje pln\u00e9ho v\u00fdkonu 2\u00d7 300 W @ 4 \u03a9 se 48V zdrojem."}],"da_clanok_zvyraznit":false},"_links":{"self":[{"href":"https:\/\/deskaudio.eu\/cs\/wp-json\/wp\/v2\/posts\/1374","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/deskaudio.eu\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/deskaudio.eu\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/deskaudio.eu\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/deskaudio.eu\/cs\/wp-json\/wp\/v2\/comments?post=1374"}],"version-history":[{"count":12,"href":"https:\/\/deskaudio.eu\/cs\/wp-json\/wp\/v2\/posts\/1374\/revisions"}],"predecessor-version":[{"id":4226,"href":"https:\/\/deskaudio.eu\/cs\/wp-json\/wp\/v2\/posts\/1374\/revisions\/4226"}],"acf:post":[{"embeddable":true,"href":"https:\/\/deskaudio.eu\/cs\/wp-json\/wp\/v2\/product\/1141"},{"embeddable":true,"href":"https:\/\/deskaudio.eu\/cs\/wp-json\/wp\/v2\/product\/955"},{"embeddable":true,"href":"https:\/\/deskaudio.eu\/cs\/wp-json\/wp\/v2\/product\/1087"},{"embeddable":true,"href":"https:\/\/deskaudio.eu\/cs\/wp-json\/wp\/v2\/product\/606"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/deskaudio.eu\/cs\/wp-json\/wp\/v2\/media\/1373"}],"wp:attachment":[{"href":"https:\/\/deskaudio.eu\/cs\/wp-json\/wp\/v2\/media?parent=1374"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/deskaudio.eu\/cs\/wp-json\/wp\/v2\/categories?post=1374"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/deskaudio.eu\/cs\/wp-json\/wp\/v2\/tags?post=1374"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}