1、1. TDA8954TH dual chip configuration. 2、2. Ultra high output <span class="ui-risk_flag3"><span class="ui-risk_flag3">power up</span></span> to 420W, dual channel stereo. 3、3. The main filter electrolytic capacitor uses a total capacity of 6600UF. 4、4. Two 8A rectifying flat bridges are used to <span class="ui-risk_flag3"><span class="ui-risk_flag3">ensure</span></span> a strong and continuous power support. 5、5. 1.6mm double layer high density circuit board. Features: 1. TDA8954TH dual chip configuration. 2. Ultra high output power up to 420W, dual channel stereo. 3. The main filter electrolytic capacitor uses a total capacity of 6600UF. 4. Two 8A rectifying flat bridges are used to ensure a strong and continuous power support. 5. 1.6mm double layer high density circuit board. 6. The output uses a red ring high-current inductor to ensure that the sound is crisp and powerful. Specification: Chip: TDA8954TH Working Method: Class D Supply Voltage: AC 12.5-28V Recommended Supply Voltage: AC24V-0-AC24V Output Power: 2*420W Static Current: 65mA Working Efficiency: 90% rated Frequency Response: 20Hz-20KHz Package List: 1 x Amplifier Board 1 x Cable Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.