Feature:1. Enhanced Performance: Solve low power and poor sound quality issues with a lightweight and efficient design. Suitable for front, rear player, navigation power and sound quality enhancement usage.2. Improved Sound Quality: The navigation DSP amplifier box utilize high performance amplifier chips for enhanced RCA output to increase low frequency signal.3. DSP Connection Technology: Connect original car and player with DSP universal connection port for better power and sound.4. High Power Output: A/B class amplifier technology with maximum stable load of 2, RMS power of 4X50W at 14.4V at 2, and 4V RCA signal output.5. Slim and Compact Design: Easily install within 10 minutes with aluminum body, suitable for Android Radio Super Bass Subwoofer.Specification:Item Type: Navigation DSP Amplifier BoxMaterial: MetalAmplifier Technology: A/B ClassMaximum Stable Load: 2RMS Power 4: 4x30W at 14.4VRMS Power 2: 4x50W at 14.4VSignal to Noise Ratio: 90dB at 1W(4)Frequency Response: 20Hz-20kHz (-3dB)RCA Signal Output: 4VFitment: Fits for Android Radio Super Bass Subwoofer.Package List:1 x Navigation DSP Amplifier Box1 x Wiring Cable