<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;"> TDA7498E BT 5.0 Amplifier Board HiFi Chips 160W X 2+220W Subwoofer Stereo DC 15-36V ZK-HT21 2.1 Channel Audio Receiver for DIY Home Speakers<br/><b>Features:</b><br/><b>1.Enhanced Output Power:</b> HT21-3G delivers higher power output, perfect for driving a wider range of larger speaker systems in professional audio scenarios. It ensures optimal performance for various applications.<br/><b>2.Optimized Sound Quality:</b> Using advanced audio processing technology and chosen electronic components, the magnetic shielding mechanism provides strong anti-EMI performance, ensuring minimal sound quality loss and delivering a pure, dynamic audio experience.<br/><b>3.Third Generation Circuit Design:</b> Supports APP and TWS pairing, enhancing overall efficiency and stability, making it ideal for seamless operation across different devices.<br/><b>4.Enhanced Cooling Solution:</b> To meet high-power operation demands, the audio amplifier board can be equipped with enhanced heat sinks or active cooling systems, ensuring long-term reliability and safety of the device.<br/><b>5.Comprehensive Protection System:</b> Built-in mechanisms for overheat, over-current, and short-circuit protection effectively safeguard the mini power amplifier module against external anomalies, preventing damage.<br/><br/><br/><span><strong>Specification:</strong></span><br /> <span>Origin: Mainland China</span><br /> <span>Product Model: ZK-HT21-3G<br /> BT Version: 5.0 (Unobstructed, 15m)<br /> Input Methods: AUX + BT + USB (button to switchable modes and songs)<br /> Channels: 2.1 (left + right + subwoofer)<br /> Amplifier Chipset: TDA7498E<br /> Compatible Power Supply: DC15-36V (undervoltage protection below 9V, also supports 12V power)<br /> Compatible Speakers: 30-200W, 4-8 ohms<br /> Output Power: Left and Right Channels ≤ 160W; Subwoofer ≤ 220W<br /> Protection: Reverse polarity, undervoltage, overheating, overcurrent, and short-circuit protection<br /> Material: ABS + PC<br /> Condition: New<br /> Type: Module<br /> Dimensions: Approximately 125.00 x 125.00 x 20.00mm<br /> Dimensions: 4.92 x 4.92 x 0.79 inches<br /> Attention:<br /> 1. Sufficient output power is only possible if the input audio signal is strong enough and the power supply voltage/current are high enough!<br /> 2. The higher the power supply voltage, the greater the output power. The lower the speaker impedance, the greater the output power!<br /> 3. Please ensure that the power adapter's power exceeds the actual operating power of the amplifier!<br /> </span><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 /><br /> </div> <div style="text-align:center;"> <br /> <br /> </div> <div style="padding:15px;border:1px solid #AEAEAE;"> 1 x&nbsp;TDA7498E BT 5.0 Amplifier Board<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>