{"id":2017,"date":"2026-03-27T19:26:42","date_gmt":"2026-03-27T19:26:42","guid":{"rendered":"https:\/\/supertech.lk\/?post_type=product&#038;p=2017"},"modified":"2026-03-27T20:01:25","modified_gmt":"2026-03-27T20:01:25","slug":"zk-mt21-bt-amplifier-board-high-power-sound-stereo-dc12-24v-digital-power-amplifier-board","status":"publish","type":"product","link":"https:\/\/supertech.lk\/?product=zk-mt21-bt-amplifier-board-high-power-sound-stereo-dc12-24v-digital-power-amplifier-board","title":{"rendered":"ZK\u2011MT21 BT Amplifier Board High Power Sound Stereo DC12\u201124V Digital Power Amplifier Board"},"content":{"rendered":"<div>\n<p><b>Feature:<\/b><\/p>\n<p>1. Input and Output: The power amplifier board supports AUX+BT sound source input, and supports subwoofer + left and right channel output.<br \/>\n2. Easy to Install: The stereo power amplifier board is easy to install and use, providing you with stable and fast connection and wide compatibility.<br \/>\n3. Adjustable: This sound amplifier is enough to meet your different needs, you can adjust the frequency, volume, treble, bass, etc.<br \/>\n4. Guard Function: The high power amplifier board has anti reverse connection, overheating guard, overcurrent and short circuit guard.<br \/>\n5. High Performance: The BT amplifier board 2.1 channel, BT 5.0, subwoofer, high power, stereo, suitable for 15\u2011100W, 4\u20118\u03a9 speakers.<b>Specification:<\/b><\/p>\n<p>Item Type: Power Amplifier Board<br \/>\nMaterial: PCB<br \/>\nWorking Voltage: DC12-24V<br \/>\nBT Version: 5.0<br \/>\nInput Sensitivity: 500mV<br \/>\nSound Input: BT + Aux<br \/>\nNumber of Channels: 2.1 Channels<br \/>\nOutput Power: 2 x 50W (Left and Right Channels) + 100W (Subwoofer)<br \/>\nApplicable Speakers: 15-100W, 4-8\u03a9<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Sound Input: BT + Aux + USB<br \/>\nNumber of Channels: 2.1 Channels<br \/>\nOutput Power: 2 x 50W (Left and Right Channels) + 100W (Subwoofer)<\/p>\n","protected":false},"featured_media":2025,"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-2017","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\/2017","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=2017"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/supertech.lk\/index.php?rest_route=\/wp\/v2\/media\/2025"}],"wp:attachment":[{"href":"https:\/\/supertech.lk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2017"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/supertech.lk\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=2017"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/supertech.lk\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=2017"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/supertech.lk\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=2017"},{"taxonomy":"product_brands","embeddable":true,"href":"https:\/\/supertech.lk\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brands&post=2017"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}