{"id":27724,"date":"2025-07-04T14:58:07","date_gmt":"2025-07-04T12:58:07","guid":{"rendered":"https:\/\/neeskens.nl\/product\/ground-zero-gzpa-reference-4pure-sq\/"},"modified":"2026-09-25T11:14:21","modified_gmt":"2026-09-25T09:14:21","slug":"ground-zero-gzpa-reference-4pure-sq","status":"publish","type":"product","link":"https:\/\/neeskens.nl\/en\/product\/ground-zero-gzpa-reference-4pure-sq\/","title":{"rendered":"Ground Zero GZPA Reference 4PURE-SQ 4-Channel Amplifier"},"content":{"rendered":"<p>The Ground Zero GZPA Reference 4PURE-SQ is a high-end 4-channel amplifier, developed for enthusiasts of pure sound quality in cars. This amplifier features a classic Class A\/B design, high-quality components, and a direct signal path for optimal transparency and dynamics.<\/p>\n<h3>Benefits:<\/h3>\n<ul>\n<li><b>Pure and transparent sound<\/b> thanks to a short, unfiltered signal path and selected components.<\/li>\n<li><b>Class A\/B technology<\/b> ensures a warm, natural sound with high dynamics.<\/li>\n<li><b>Solid construction<\/b> for perfect cooling and minimal distortion, even during prolonged use.<\/li>\n<li><b>Flexible application<\/b> suitable for full-range or bridged use in SQ systems.<\/li>\n<\/ul>\n<h3>What&#8217;s in the box:<\/h3>\n<ul>\n<li>Ground Zero GZPA Reference 4PURE-SQ amplifier<\/li>\n<li>Mounting hardware<\/li>\n<li>User manual<\/li>\n<\/ul>\n<h3>Specifications:<\/h3>\n<ul>\n<li>Type: 4-channel high-end class A\/B amplifier<\/li>\n<li>RMS power: 4x 100W @ 4 Ohm<\/li>\n<li>RMS power: 4x 180W @ 2 Ohm<\/li>\n<li>RMS bridged: 2x 360W @ 4 Ohm<\/li>\n<li>THD: &lt;0.003% (at 1W\/1kHz\/4 Ohm)<\/li>\n<li>Frequency range: 10 Hz \u2013 50,000 Hz (\u00b11 dB)<\/li>\n<li>Signal-to-noise ratio: &gt;100 dB<\/li>\n<li>Dimensions: approx. 490 x 220 x 60 mm<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>The Ground Zero GZPA Reference 4PURE-SQ is a high-end 4-channel amplifier, developed for enthusiasts of pure sound quality in cars. This amplifier features a classic Class A\/B design, high-quality components, and a direct signal path for optimal transparency and dynamics.<\/p>\n<h3>Benefits:<\/h3>\n<ul>\n<li><b>Pure and transparent sound<\/b> thanks to a short, unfiltered signal path and selected components.<\/li>\n<li><b>Class A\/B technology<\/b> ensures a warm, natural sound with high dynamics.<\/li>\n<li><b>Solid construction<\/b> for perfect cooling and minimal distortion, even during prolonged use.<\/li>\n<li><b>Flexible application<\/b> suitable for full-range or bridged use in SQ systems.<\/li>\n<\/ul>\n<h3>What&#8217;s in the box:<\/h3>\n<ul>\n<li>Ground Zero GZPA Reference 4PURE-SQ amplifier<\/li>\n<li>Mounting hardware<\/li>\n<li>User manual<\/li>\n<\/ul>\n<h3>Specifications:<\/h3>\n<ul>\n<li>Type: 4-channel high-end class A\/B amplifier<\/li>\n<li>RMS power: 4x 100W @ 4 Ohm<\/li>\n<li>RMS power: 4x 180W @ 2 Ohm<\/li>\n<li>RMS bridged: 2x 360W @ 4 Ohm<\/li>\n<li>THD: &lt;0.003% (at 1W\/1kHz\/4 Ohm)<\/li>\n<li>Frequency range: 10 Hz \u2013 50,000 Hz (\u00b11 dB)<\/li>\n<li>Signal-to-noise ratio: &gt;100 dB<\/li>\n<li>Dimensions: approx. 490 x 220 x 60 mm<\/li>\n<\/ul>\n","protected":false},"featured_media":43621,"comment_status":"closed","ping_status":"open","template":"","meta":{"_acf_changed":false,"content-type":"","_members_access_role":[],"_members_access_error":""},"brands":[584],"productgroep":[],"specs":[],"spotlight":[],"product_brand":[],"product_cat":[331],"product_tag":[],"class_list":["post-27724","product","type-product","status-publish","has-post-thumbnail","brands-groundzero","product_cat-all-producs","first","onbackorder","taxable","shipping-taxable","purchasable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/neeskens.nl\/en\/wp-json\/wp\/v2\/product\/27724","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/neeskens.nl\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/neeskens.nl\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/neeskens.nl\/en\/wp-json\/wp\/v2\/comments?post=27724"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/neeskens.nl\/en\/wp-json\/wp\/v2\/media\/43621"}],"wp:attachment":[{"href":"https:\/\/neeskens.nl\/en\/wp-json\/wp\/v2\/media?parent=27724"}],"wp:term":[{"taxonomy":"brands","embeddable":true,"href":"https:\/\/neeskens.nl\/en\/wp-json\/wp\/v2\/brands?post=27724"},{"taxonomy":"productgroep","embeddable":true,"href":"https:\/\/neeskens.nl\/en\/wp-json\/wp\/v2\/productgroep?post=27724"},{"taxonomy":"specs","embeddable":true,"href":"https:\/\/neeskens.nl\/en\/wp-json\/wp\/v2\/specs?post=27724"},{"taxonomy":"spotlight","embeddable":true,"href":"https:\/\/neeskens.nl\/en\/wp-json\/wp\/v2\/spotlight?post=27724"},{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/neeskens.nl\/en\/wp-json\/wp\/v2\/product_brand?post=27724"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/neeskens.nl\/en\/wp-json\/wp\/v2\/product_cat?post=27724"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/neeskens.nl\/en\/wp-json\/wp\/v2\/product_tag?post=27724"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}