{"id":2047,"date":"2026-03-27T19:50:09","date_gmt":"2026-03-27T19:50:09","guid":{"rendered":"https:\/\/supertech.lk\/?post_type=product&#038;p=2047"},"modified":"2026-03-27T20:00:20","modified_gmt":"2026-03-27T20:00:20","slug":"zk-as21-2-1-channel-220wx2350w-tpa3255-bluetooth-digital-power-amplifier-board-module","status":"publish","type":"product","link":"https:\/\/supertech.lk\/?product=zk-as21-2-1-channel-220wx2350w-tpa3255-bluetooth-digital-power-amplifier-board-module","title":{"rendered":"ZK-AS21 2.1 Channel 220WX2+350W TPA3255 Bluetooth Digital Power Amplifier Board Module"},"content":{"rendered":"<p>Color: black<\/p>\n<p>BT: 5.1<\/p>\n<p>Chip: TPA3255<\/p>\n<p>Compatible power: DC16-38V, \u226510A<\/p>\n<p>Output power: left and right channels \u2264220W, subwoofer \u2264350W<\/p>\n<p>Compatible speaker: left and right channels 30-220W, 3-8\u03a9; subwoofer 30-350W, 2-8\u03a9<\/p>\n<p>Item size: 141 * 131 * 27mm \/ 5.6 * 5.2 * 1.1in<\/p>\n<p>Item weight: 346g \/ 12.2ounce<\/p>\n<p>Package size: 170 * 140 * 50mm \/ 6.7 * 5.5 * 2.0in<\/p>\n<p>Package weight: 408g \/ 0.9lb<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sound Input: BT + Aux + USB + APP<br \/>\nNumber of Channels: 2.1 Channels<br \/>\nOutput Power: 2 x 220W (Left and Right Channels) + 350W (Subwoofer)<\/p>\n","protected":false},"featured_media":2048,"comment_status":"open","ping_status":"closed","template":"","meta":{"_bst_post_transparent":"default","_bst_post_title":"","_bst_post_layout":"default","_bst_post_sidebar_id":"","_bst_post_content_style":"default","_bst_post_vertical_padding":"default","_bst_post_feature":"","_bst_post_feature_position":"","_bst_post_header":false,"_bst_post_footer":false},"product_brand":[],"product_cat":[94,92,93],"product_tag":[],"product_brands":[],"class_list":{"0":"post-2047","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-car-audio-amplifiers","7":"product_cat-home-audio-systems","8":"product_cat-home-audio-systems-home-audio-systems","10":"first","11":"instock","12":"taxable","13":"shipping-taxable","14":"purchasable","15":"product-type-simple","16":"entry","17":"content-bg","18":"loop-entry"},"_links":{"self":[{"href":"https:\/\/supertech.lk\/index.php?rest_route=\/wp\/v2\/product\/2047","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/supertech.lk\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/supertech.lk\/index.php?rest_route=\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/supertech.lk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2047"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/supertech.lk\/index.php?rest_route=\/wp\/v2\/media\/2048"}],"wp:attachment":[{"href":"https:\/\/supertech.lk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2047"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/supertech.lk\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=2047"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/supertech.lk\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=2047"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/supertech.lk\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=2047"},{"taxonomy":"product_brands","embeddable":true,"href":"https:\/\/supertech.lk\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brands&post=2047"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}