Features: Dedicated amplifier for Android screen, suitable for 90% screen Android machines on the market.4-way amplifier, non-destructive installation, the sound quality of -screen machines and instantly increase by 2 .Non-destructive installation, separate socket.Strict quality control standards to build and test.Specification:Name: Car AmplifierApplicable models: Universal Android phoneMaximum : 320 (W)Impedance: 4 (& A;)Sensitivity: Greater than 95dbFrequency response range: 20hz-20khzDistortion: Less than 0.01%Specifications: 4-way DSP functionInput: 4 channels high levelOutput: 4 channels high level, 2 channels low levelAmplifier Type: Voltage: 10.5-14.8VRated : 4 x 60WPe-: 4 x 50Wcolor:SilverMaterial:aluminum alloyPackage Contents:1 x Auto Amplifier1 x CableOnly the above package content, other products are not included.Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.