<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><div> <div> <div style="text-align:left;"> </div> <div style="text-align:center;"> <br /> </div> </div> <div style="padding:15px;border:1px solid #AEAEAE;"> <div style="text-align:left;"> 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 />&nbsp; </div> <div style="text-align:left;"> </div> </div> <div style="text-align:center;"> <br /> </div> </div> <div style="padding:15px;border:1px solid #AEAEAE;"> <div style="text-align:left;"> 1 x&nbsp;TDA7498E BT 5.0 Amplifier Board&nbsp; </div> <div style="text-align:left;"> &nbsp; </div> </div> <div style="text-align:center;"> <br /> </div> <div style="text-align:left;"> <br /> </div> <div style="text-align:left;padding:15px;border:1px solid #AEAEAE;"> <span> </span> </div> <p style="text-align:left;"> <br /> </p> <p style="text-align:center;"> <br /> </p> <p style="text-align:left;"> <br /> </p> <p style="text-align:left;"> <br /> </p> <p style="text-align:left;"> <br /> </p> <p style="text-align:left;"> <br /> </p> <p style="text-align:left;"> <br /> </p> <p style="text-align:left;"> <br /> </p> <p style="text-align:left;"> <br /> </p></div></div>