1、High Stability: This car power amplifier with high power noninductive resistor provides good stability, high safety and high efficiency. 2、Aluminium Alloy: This car audio amplifier adopts metallic iron and aluminium alloy material, strong and highly durable. 3、Fast Heat Dissipation: This 4 channel car amplifier is designed with aluminium alloy heat emission hole for faster heat dissipation. 4、Secure Interface: This car 4 channel amplifier adopts standard secure interface. When short circuit occurs, the fuse will automatically disconnect and protecting the device. 5、Large Power: This car audio stereo amplifier is small in size and large in power, maximum 5200W output power. The powerful electric circular coil ensures sufficient power when the power amplifier is running. Item Type: Car Power Amplifier Material: Metallic Iron, Aluminium Alloy Total Harmonic Distortion: < 0.1% Signal to Noise Ratio: ≥85dB Input Sensitivity: 200mv Bass Boost: 12dB Frequency Response: 10KHz to 40KHz (±1dB) Speaker Impedance: 2 to 16Ω Output Power: 4 x 60W / 4 x 80W / 4 x 100W / 2 x 60W / 2 x 130W Scope of Application: Suitable for All Car Sound Systems 1 x Car Power Amplifier 2 x Adapter 4 x Screw 1 x User Manual