Features: Dedicated power amplifier for Android screen, suitable for 90% screen Android machines on the market. 4-way power amplifier, non-destructive installation, the sound quality of -screen machines and instantly increase by 2 . Non-destructive installation, separate socket. quality control standards to and test. Specification: Name: Car Amplifier Applicable models: Universal Android phone Maximum power: 320 (W) Impedance: 4 (& A;) Sensitivity: 95db Frequency response range: 20hz-20khz Distortion: Less than 0.01% Specifications: 4-way DSP function Input: 4 channels high level Output: 4 channels high level, 2 channels low level Amplifier Type: AB Voltage: 10.5-14.8V Rated power: 4 x 60W Pe-: 4 x 50W color:Silver Material:aluminum Package Contents: 1 x Auto Power Amplifier 1 x Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.