<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><table class="ke-zeroborder" width="100%" cellspacing="0" cellpadding="0" border="0"> <tbody> <tr> <td> <br /> <div style="padding:15px;border:1px solid #AEAEAE;"> 50W+50W+100W Amplifier Board Kit with Dual Mic Echo Audio Power Amp Module BT USB AUX MIC Sound Input Digital Power Amplifier Board with Subwoofer 2.1 Channel for Home Passive Speakers<br /> <b>Features:</b><br /> <b>1.True 2.1 Channel Output:</b> Enjoy immersive sound experiences with this amplifier board kit, featuring support for true 2.1 channels and dedicated subwoofer output for enhanced bass.<br /> <b>2.Dual Microphone Support:</b> This audio power amp module allows you to connect two microphones simultaneously and offers independent echo adjustment for versatile karaoke or public speaking use.<br /> <b>3.Efficient Chipset Design:</b> Built with dual TPA3116D2 chips, the bt amplifier board ensures high efficiency and reliable performance for consistent, distortion-free sound.<br /> <b>4.Multiple Audio Inputs:</b> Seamlessly shift between bluetooth-compatible, AUX, USB, and MIC inputs, making this digital power amplifier board ideal for a variety of audio sources and connections.<br /> <b>5.Independent Sound Controls:</b> Fine-tune your audio with separate bass, treble, and echo controls, plus comprehensive built-in protection against over-voltage, under-voltage, overheating, and short circuits.<br /> <br /> <br /> <strong></strong><strong>Specification:</strong><br /> Origin: Mainland China<br /> Model: ZK-MT21S<br /> Output: 2.1 Channel (50W + 50W + 100W)<br /> Chipset: Dual TPA3116D2<br /> BT Range: Up to 15 meters<br /> Input: BT + AUX + USB + MIC<br /> Speaker Support: Left/Right 20 - 50W (4 - 8Ω) + Subwoofer 100W (4 - 8Ω)<br /> Power Supply: DC 12 - 24V / ≤10A (Do not connect to AC)<br /> Material: PC<br /> Dimensions: Approximately 90.00 x 75.00 x 15.00mm / 3.54 x 2.95 x 0.59 inches<br /> Compatible Audio/Video Device Type: Amplifier<br /> <br /> <p> <strong>Note:</strong><br /> Due to different monitor settings and lighting conditions, the actual color of the item may vary slightly from the pictures. Thanks for your understanding!<br /> Please allow a 1-2 cm difference in measurements due to manual measuring. </p> <br /> &nbsp;<br /> </div> <br /> <div> <br /> </div> <div style="padding:15px;border:1px solid #AEAEAE;"> 1 x&nbsp;Amplifier Board Kit&nbsp;<br /> </div> <p> <br /> </p> <p> </p> <div style="text-align:center;"> <div> <span> </span> </div> </div> </td> </tr> </tbody> </table> <br /></div></div>