{"id":30350,"date":"2025-12-11T20:28:53","date_gmt":"2025-12-11T18:28:53","guid":{"rendered":"https:\/\/roadtunes.lv\/?post_type=product&#038;p=30350"},"modified":"2025-12-12T21:15:10","modified_gmt":"2025-12-12T19:15:10","slug":"ground-zero-gza-125-4-30a","status":"publish","type":"product","link":"https:\/\/roadtunes.lv\/?product=ground-zero-gza-125-4-30a","title":{"rendered":"Ground Zero GZA 125.4-30A"},"content":{"rendered":"<p data-start=\"0\" data-end=\"66\">Ground Zero\u2019s stunning limited-edition 30th anniversary amplifier.<\/p>\n<p data-start=\"68\" data-end=\"287\">The <strong data-start=\"72\" data-end=\"89\">GZA 125.4-30A<\/strong> is a 4-channel amplifier that embodies the expertise and technical knowledge Ground Zero has accumulated over its 30-year history. This amplifier is truly something you need to hear and experience.<\/p>\n<p data-start=\"289\" data-end=\"557\">Ground Zero has also paid special attention to the amplifier\u2019s elegant exterior, finished with an impressive black coating reminiscent of piano lacquer. The amplifier\u2019s casing serves as a massive heatsink, keeping the internal components cool even under demanding use.<\/p>\n<p data-start=\"559\" data-end=\"572\"><strong data-start=\"559\" data-end=\"572\">Features:<\/strong><\/p>\n<p data-start=\"574\" data-end=\"800\" data-is-last-node=\"\" data-is-only-node=\"\">\u2022 Operates in Class A\/B<br data-start=\"597\" data-end=\"600\" \/>\u2022 Dedicated BIAS adjustment<br data-start=\"627\" data-end=\"630\" \/>\u2022 OPA 2134 operational amplifier<br data-start=\"662\" data-end=\"665\" \/>\u2022 MUNDORF\u00ae audio capacitors<br data-start=\"692\" data-end=\"695\" \/>\u2022 This amplifier has no filters, ensuring the signal travels to the output stages as directly as possible<\/p>\n<h3 class=\"block-title\">Specifications<\/h3>\n<div class=\"block-content\">\n<p>Channels: 4<br \/>\nOutput Power (@ 4\u03a9) 4x 125 Watts RMS<br \/>\nOutput Power (@ 2\u03a9) 4x 215 Watts RMS<br \/>\nmax. Output Power bridged (CEA-2006A \/ 10%THD+N) 2x 480 Watts<br \/>\nFrequency Response 5 Hz \u2013 70 kHz<br \/>\nSNR: 110 dB (@ 100 Watt A-weighted)<br \/>\nDamping Factor: 800<br \/>\nBIAS Setting<br \/>\nDimensions (w x l x h) 195 x 360 x 53 mm \/ 7.70\u201c x 14.17\u2033\u201c x 2.10\u201c<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>4-channel SQ amplifier<br \/>\n4x 215 Watts RMS<br \/>\nFrequency Response 5 Hz \u2013 70 kHz<br \/>\nBIAS Setting<\/p>\n","protected":false},"featured_media":30352,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"etheme_brands":[{"term_id":291,"name":"Ground zero","slug":"ground-zero","term_group":0,"term_taxonomy_id":291,"taxonomy":"brand","description":"","parent":0,"count":370,"filter":"raw"}],"product_cat":[299,27],"product_tag":[57],"_links":{"self":[{"href":"https:\/\/roadtunes.lv\/index.php?rest_route=\/wp\/v2\/product\/30350"}],"collection":[{"href":"https:\/\/roadtunes.lv\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/roadtunes.lv\/index.php?rest_route=\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/roadtunes.lv\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=30350"}],"version-history":[{"count":1,"href":"https:\/\/roadtunes.lv\/index.php?rest_route=\/wp\/v2\/product\/30350\/revisions"}],"predecessor-version":[{"id":30354,"href":"https:\/\/roadtunes.lv\/index.php?rest_route=\/wp\/v2\/product\/30350\/revisions\/30354"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/roadtunes.lv\/index.php?rest_route=\/wp\/v2\/media\/30352"}],"wp:attachment":[{"href":"https:\/\/roadtunes.lv\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=30350"}],"wp:term":[{"taxonomy":"brand","embeddable":true,"href":"https:\/\/roadtunes.lv\/index.php?rest_route=%2Fwp%2Fv2%2Fetheme_brands&post=30350"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/roadtunes.lv\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=30350"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/roadtunes.lv\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=30350"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}