{"product_id":"zk-mt21-bluetooth-5-0-subwoofer-amplifier-board-50wx2-100w-2-1-channel-power-audio-stereo-amplifier-tone-board-bass-amp-aux","title":"ZK-MT21 Bluetooth 5.0 Subwoofer Amplifier Board 50Wx2+100W 2.1 Channel Power Audio Stereo Amplifier Tone Board Bass AMP AUX","description":"\u003cp\u003eThe ZK-MT21 is a versatile 2.1 channel audio amplifier module featuring Bluetooth 5.0 connectivity and powerful amplification capabilities. With 50W per channel for left\/right speakers and 100W for the subwoofer, this amplifier board delivers rich, dynamic sound for your audio projects.\u003c\/p\u003e\u003ch3\u003eKey Features:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBluetooth 5.0 wireless connectivity (15-meter range without shielding)\u003c\/li\u003e\n\u003cli\u003eDual audio input: Bluetooth + AUX for flexible connectivity\u003c\/li\u003e\n\u003cli\u003ePowerful 2.1 channel output: 50W x 2 + 100W subwoofer\u003c\/li\u003e\n\u003cli\u003eWide power supply range: DC 12-24V \/ 5A or above\u003c\/li\u003e\n\u003cli\u003eComprehensive protection: Anti-reverse connection, overheat, overcurrent, and short circuit\u003c\/li\u003e\n\u003cli\u003eSupports 4-8Ω speakers (20-100W)\u003c\/li\u003e\n\u003cli\u003eCompact design: 93mm x 90mm x 22mm\u003c\/li\u003e\n\u003cli\u003eEasy integration with tone and bass control\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eProduct Model: ZK-MT21\u003c\/li\u003e\n\u003cli\u003eBluetooth Version: 5.0 (15-meter range, no shielding)\u003c\/li\u003e\n\u003cli\u003eInput Sensitivity: 500mV\u003c\/li\u003e\n\u003cli\u003eAudio Input: AUX + Bluetooth\u003c\/li\u003e\n\u003cli\u003eChannel Configuration: 2.1 (Left, Right, Subwoofer)\u003c\/li\u003e\n\u003cli\u003eChip Solution: Domestic power amplifier chip\u003c\/li\u003e\n\u003cli\u003ePower Range: DC 12-24V \/ 5A minimum (Do not connect to 24V battery pack)\u003c\/li\u003e\n\u003cli\u003eCompatible Speakers: 20-100W, 4-8Ω impedance\u003c\/li\u003e\n\u003cli\u003eOutput Power: Left and right channels up to 50W each, Subwoofer up to 100W\u003c\/li\u003e\n\u003cli\u003eProtection Mechanisms: Anti-reverse connection, overheat, overcurrent, short circuit\u003c\/li\u003e\n\u003cli\u003eProduct Dimensions: 93mm x 90mm x 22mm\u003c\/li\u003e\n\u003cli\u003ePackage Weight: Approximately 185 grams (with packaging)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eImportant Usage Tips:\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eFor Optimal Performance:\u003c\/strong\u003e Sufficient output power requires adequate audio input and power supply voltage\/current. The higher the power supply voltage, the greater the output power. Similarly, smaller speaker impedance results in greater output power.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePower Supply Requirement:\u003c\/strong\u003e Ensure that your adapter power supply has greater capacity than the actual working power of the amplifier to prevent performance issues or damage.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSafety Note:\u003c\/strong\u003e Do not connect to 24V battery packs. Use a regulated DC power supply within the 12-24V range with at least 5A current capacity.\u003c\/p\u003e\u003ch3\u003eApplications:\u003c\/h3\u003e\u003cp\u003ePerfect for DIY audio systems, home theater setups, car audio upgrades, multimedia speakers, portable sound systems, and any project requiring powerful 2.1 channel amplification with wireless Bluetooth connectivity.\u003c\/p\u003e","brand":"Voltros","offers":[{"title":"Default Title","offer_id":51461813535016,"sku":"VT01413","price":1350.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0947\/7908\/1000\/files\/VT001224-8_7cf974c8-0da4-48d4-82ac-6bc785a1f1b6.png?v=1772175353","url":"https:\/\/voltros.in\/products\/zk-mt21-bluetooth-5-0-subwoofer-amplifier-board-50wx2-100w-2-1-channel-power-audio-stereo-amplifier-tone-board-bass-amp-aux","provider":"WHITEVALLEY TECHNOLOGIES PRIVATE LIMITED","version":"1.0","type":"link"}