<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><table style="border-collapse:collapse;width:100%" class="ke-zeroborder" width="100%" border="0" cellPadding="0" cellSpacing="0"><tbody><tr><td><div><div style="font-family:tahoma, geneva, sans-serif;font-size:28px;font-weight:bold;padding:2px;padding-bottom:2px;padding-top:2px;padding-left:2px;padding-right:2px"><kse:widget data-widget-type="customText" id="1005000000756122" type="custom"></kse:widget></div></div><div></div><div style="border:1px solid rgb(174, 174, 174);padding:15px;padding-bottom:15px;padding-top:15px;padding-left:15px;padding-right:15px"><span> ZK-502MT 2x50W 2.0 Channel Subwoofer Amplifier Board Stereo Audio Speaker Module High Power Bluetooth-Compatible Bass Accessory<br/>Feature:<br/>Bluetooth-compatible audio amplifier module 2.0 dual-channel stereo output, maximum output power of 2X50W<br/>AUX and Bluetooth-compatible audio input mode, two in one power amplifier board. Bluetooth-compatible 5.0, transmission efficiency is higher, transmission distance is longer<br/>Adopt domestic chip program, output audio without filtering, standard sound quality<br/>With short circuit protection and over current, over heat, anti-reverse connection protection, to prevent comprehensive failure. When an overload occurs, the device reports the failure to the processor to protect itself from damage<br/>Use copper DC connector and fence terminal. Can withstand large current, do not heat, do not damage the wire.<br/>With bass, treble, subwoofer frequency and volume control, easily adjust the volume, enjoy the music you want to sound. Widely used in shopping malls, home theaters, speakers and so on<br/><br/>Specification:<br/>Model: ZK-502MT<br/>Bluetooth-compatible Version: 5.0(no occlusion, 15m)<br/>SNR: &gt;90dB<br/>Input mode: AUX+ Bluetooth-compatible<br/>Number of channels: left and right double channels (stereo)<br/>Power amplifier chip: domestic power amplifier chip<br/>Adaptive power supply: DC9~24V/ above 3A (24V battery pack cannot be connected)<br/>Adapter horn: 15~100W, 4~8Q<br/>Supply voltage:<br/>12V-----8 ohm /12W+12W, 4 ohm /20W+20W<br/>15V-----8 ohm/18W +18W, 4 ohm/30W +30W<br/>19V-----8 ohm/30W +30W, 4 ohm/40W +40W<br/>24V----8 ohm/40W +40W, 4 ohm/50W +50W<br/>Protection mechanism: overheat, overcurrent, short circuit protection<br/>Size: 89mm*60mm*21mm/3.5X2.4X0.8in<br/>Weight: about 111g(including packaging)<br/><br/>Tip:<br/>Only when the audio input is enough and the power supply voltage/current is enough will there be enough output power!!<br/>The higher the power supply voltage, the greater the output power, the smaller the horn impedance, the greater the output power!!<br/>Please ensure that the adapter power is greater than the actual working power of the amplifier!!<br/><br/>Note:<br/>Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!<br/>Please allow 1-2cm measuring deviation due to manual measurement.<br/> <br/></span></div><div><span><br/></span></div><div></div><div style="border:1px solid rgb(174, 174, 174);padding:15px;padding-bottom:15px;padding-top:15px;padding-left:15px;padding-right:15px"><span> 1 x Subwoofer Amplifier Board (with Accessory Bag) <br/></span></div><div><span><br/></span></div><div style="text-align:center" align="center"></div><div><span><br/><br/></span></div><div></div><div style="border:1px solid rgb(174, 174, 174);padding:15px;padding-bottom:15px;padding-top:15px;padding-left:15px;padding-right:15px"><span><br/></span></div><div><span><br/></span><span><br/></span></div></td></tr></tbody></table></div></div><p><br/></p>