<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title> </title> <div style="width:100%;height:100%;"> <div style="width:100%;text-align:center;height:30px;" id="title"> <span style="font-weight:bold;font-size:16px;">Optimal 1001UM Mono Bluetooth 5.3 Power Amplifier Board Subwoofer 100W Amp Module With Microphone Reverb</span> </div> <div id="description"> <div class="ui-box-body"> <span style="font-size:18px;"><div>Music volume adjustment: Multi-Function buttons Click: Play/Pause; Double click: Next track;Triple Strike: Previous song;Long press: Mode switch<br />MIC volume adjustment: Multi-Function buttons Click: Suppress Voice Long press: Enter or exit TWS mode.<br />Indicator light status: The blue light flashes slowly in USB and AUX modes, the BT connection is successful and stays on, and it flashes extremely slowly when there is no connection. Start TWS, red light flashes to search for pairing, red light stays on TWS left channel, red light flashes slowly TWS right channel.<br />Mode priority: Inserting a USB flash drive or AUX can steal BT, and the mode can be remembered after power failure. BT cannot be found in USB or AUX mode.<br />Protection mechanism: The box function and true wireless function allow two sets of speakers to be combined into a left and right channel box, providing a stronger sense of spatial positioning.<br /><br />Product model:ZK-1001UM<br />Product name:Mono 100W BT amplifier module with microphone reverb<br />Amplifier chip:TPA3116D2<br />BT version:5.3<br />BT transmission distance:15m<br />Audio input:BT+AUX+USB disk+Microphone<br />Audio output:Mono 100W<br />Adaptive power supply:DC9-24V, greater than equal 4A (cannot be connected to AC power), suitable for batteries such as 7.4V12V21V, not suitable for 24V batteries, fully charged will cause overvoltage.<br />Adaptive speaker:20-100W, 3-8Ω<br />Product size:99x75x22.8mm<br />Color:Black<br />Material:Metal+Plastic<br /><br />Package Contents:<br />1 * BT amplifier module<br /><br />Only the above package content, other products are not included.<br />Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.</div></span> </div> </div> <div id="details"> <div class="ui-box-body"> <span style="font-size:18px;"><table border="0" cellpadding="0" cellspacing="0" style="width: 100.0%;"><tbody><tr> <td style="margin: 0 auto; text-align: center;"><p></p><p></p><p></p><p></p><p></p></td></tr></tbody></table> </span><br /> <p> <br /> </p> <p> </p> </div> </div> </div></div></div>