Description: It's a universal fit for all cars， motocycles or boats; works well with iPods， MP3， CD and other audio devices.180 + 180W， 12V amplifier with bass， treble & volume control small in size with high power output. Features:Mini stereo amplifier provides low distortion， acoustically accurate sound reproductionBass， treble， and master volume controls enhance your listening experience; Specification:Size:13.5 x 10.0 x 4.0cm Color:Deep bluePackage weight:9.2 ozInput Power: 12V 6A DC or 5V ACOutput Power: 180W + 180WRMS Power Output: RMS 15W X 2CH Speaker Impedance: 8 - 16 ohm; Frequency Response: 29Hz - 18KhzSignal/Noise Ratio: >75dBThe degree of distortion<0.1(1KHz)The total harmonic distortion<0.4% What is included:1 x Mini Stereo Amplifier 1 x Car charger1 x User Manual