<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><p class="MsoNormal"> <strong></strong> </p> <div style="text-align:center;"> <br /> <br /> </div> <div style="padding:15px;border:1px solid #AEAEAE;"> 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 /> </div> <div style="text-align:center;"> <br /> <br /> </div> <div style="padding:15px;border:1px solid #AEAEAE;"> 1 x&nbsp;Subwoofer Amplifier Board (with Accessory Bag)<br /> </div> <p style="text-align:center;"> <br /> <br /> </p> <p> <br /> </p> <p style="text-align:center;"> </p> <p class="MsoNormal" style="text-align:center;"> &nbsp; </p> <p> <br /> </p> <p class="MsoNormal" style="color:#222222;font-family:&quot;font-size:14px;"> <strong>Dear Valued Customers,</strong> </p> <p class="MsoNormal" style="color:#222222;font-family:&quot;font-size:14px;"> <strong>Thanks for choosing E-jia Store.&nbsp;Please kindly help check goods condition before&nbsp;sign for package.&nbsp;</strong> </p> <p class="MsoNormal" style="color:#222222;font-family:&quot;font-size:14px;"> <strong>If any question about goods,&nbsp;please take photos or videos, then contact&nbsp;us before opening a dispute,&nbsp;problems will be solved at first time.&nbsp;</strong> </p> <p class="MsoNormal" style="color:#222222;font-family:&quot;font-size:14px;"> <strong>If Satisfied With Our Products, Kindly Leave&nbsp;A 5-Star Rating And Share With Your Friend.&nbsp;</strong> </p> <p class="MsoNormal" style="color:#222222;font-family:&quot;font-size:14px;"> <strong><br /> </strong> </p> <p class="MsoNormal" style="color:#222222;font-family:&quot;font-size:14px;"> <strong> </strong> </p> <p class="MsoNormal" style="color:#222222;font-family:&quot;font-size:14px;"> <strong><b><span style="font-size:32px;background-color:#9933E5;">Answers to some frequently asked questions</span><span style="font-size:32px;background-color:#9933E5;">：</span></b><b></b> </strong> </p> <p class="MsoNormal" style="color:#222222;font-family:&quot;font-size:14px;"> <strong>1.Do <span style="color:#337FE5;">Bulk CSV/Excel</span> drop shipping (we have discounts for large orders)</strong> </p> <p class="MsoNormal" style="color:#222222;font-family:&quot;font-size:14px;"> <strong>2.Fast delivery in 24-48 hours</strong> </p> <p class="MsoNormal" style="color:#222222;font-family:&quot;font-size:14px;"> <strong>3.No invoice or receipt included (if you want, we can provide)</strong> </p> <p class="MsoNormal" style="color:#222222;font-family:&quot;font-size:14px;"> <strong>4.If choose DHL/FedEx,&nbsp;this is not including DHL remote cost/custom duty.</strong> </p> <p class="MsoNormal" style="color:#222222;font-family:&quot;font-size:14px;"> <strong><span style="color:#337FE5;">5.Zip code starts with 51/52/07/35/38, can't send the order from the Spanish warehouse,you can choose ship from China.</span> </strong> </p> <p class="MsoNormal" style="color:#222222;font-family:&quot;font-size:14px;"> <strong>6.If you can't find the product you need in our store, contact us, we will help you find.<strong></strong> </strong> </p> <p class="MsoNormal" style="color:#222222;font-family:&quot;font-size:14px;"> <br /> </p> <p class="MsoNormal" style="color:#222222;font-family:&quot;font-size:14px;"> <strong>W e c h a t: xixihahawoshixiexie</strong> </p> <strong><br /> </strong> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p style="font-size:13px;font-family:&quot;vertical-align:baseline;background-color:#FFFFFF;"> <br /> </p></div><br /><div style="font-size: 28px; font-family: tahoma, geneva, sans-serif; font-weight: bold; padding: 2px 2px;"> <kse:widget data-widget-type="relatedProduct" id="1005000001113377" title="hot sales" type="relation"></kse:widget> </div></div></div>