Features:

Support Multiple Audio Device Connections: Phone/ Laptop/ Computer/ Tablet/ TV.
Rated voltage: 12-15V
Rated frequency: 20Hz-20 KHz
Rated power: 15W x 2RMS + 20W x 1RMS
Signal to noise ratio: 75dB
Impedance: 4~8Ω
Distortion rate: <0.4%
Texture of material: aluminum alloy

Package Included:
1x Hi-Fi Stereo Amplifier
1x User Manual