Features��1.Brand new and high quality2.Great circuit design， high efficiency without noise， high fidelity3.Compact and efficient， perfect for handling your audio demands in style4.Clear natural vocals， ideal for music buffs5.Front panel: with tone control， power switch， colorful lamp6.Especially good for car， motorcycle， Mp3， Mp4， computer speaker and other home audio applicationsSpecifications��1.Input power ��DC 12-18V2A2.Speaker Impedance: 4-8��3.Frequency response��20Hz-20kHz4.Power amplifier type: HIFI5.Sound track: 26.Tolal harmonic distortion��<0.4%7.SNR:70dB8.Color: Silver9.Material: Metal + Plastics10.Dimension: Approx140*40*40mmNote : Power cord (Output 12V， ��3A ) is not included. Package Included:1 x Car Audio Amplifier