The amplifier is lightweight， has a shiny blue casing and allows for full control of your volume， treble and bass output，Widely suitable for automobile， motorcycle， mp3， mp4， family， computers.Features:1. The distortion is small. sound is clear，strong and powerful 2. With overload， short circuit， overheat protection.3. With treble， bass， and volume control.4. Volume control knob with power switch aperture.Specification:　1. Model:LP-A62. Size:11.7CM*7cm*4.2cm3. Working Voltage:DC 12V4. Output Power: 180W5. Frequency responce: 100Hz - 20kHz6. S/N: 85dB7. T.H.D: 1%8. Channels: 29. Signal Input Type: RCA， 3.5mm interface10. Speaker impedance: 2 - 8Ω11. Casing material: lightweight aluminum12. Color:BlueNote: Power Adapter is not includedPackage included:1x Stereo Amplifier(Power Adapter is not included)