1、Coupling Capacitor: The main filter electrolytic capacitor adopts capacity 2200UF 63V, using 6 FW series 10UF audio input coupling capacitor. 2、Clear and Powerful Sound: Audio digital amplifier using 7W14A inductor, the sound is clear and powerful, allowing you to use the experience to enhance. 3、Two Advantages: High power efficiency and super low power stage idle loss (less than 2.5W). This can be achieved with an 85mR MOSFET and an optimized gate driver scheme. 4、Class D Efficiency: It is a high performance Class D power amplifier with Class D efficiency for true high end sound quality. 5、Perfect Sound Quality: The device features an advanced integrated feedback design and proprietary high speed gate driver error correct. This technology allows the device to maintain super low distortion throughout the audio band while exhibiting perfect sound quality. Item Type: Digital Amplifier Board Material: PCB Use: Applicable to audio devices Working Method: Class D Standby Current: 80mA Operating Efficiency: >90% Channel: 2.0 Rest or Mute: Short circuit mute function Output Power: 315W/4Ω, distortion 10% 185W/8Ω, distortion 10% 260W/4Ω, distortion 1% 150W/8Ω, distortion 1% Frequency Response: 20Hz to 20KHz Dynamic Range: >100 dB Signal to Noise Ratio: (SNR) >111dB 1 x Digital Amplifier Board 1 x Connection Cable