5800W highpower car amplifier can effectively improve sound quality of car audio and bring a nice experience to users.It can amplify weak signal from audio source or preamplifier, without changing sound quality, and promote sound of speaker.Premium aluminum alloy housing, exquisite and beautiful, highend texture, strong shock resistance. With multiple cooling holes, quick heat dissipation and nice stability.The powerful electric circulating coil ensures sufficient power during operation, and it is , more efficient and more stable.Compact and ultrathin, easy to install. Fourchannel highpower design meets needs of most users.Channel: 4Voltage: 12VMax. Power: 4 x 50WImpedance: 4SignaltoNoise Ratio(): 90dBFrequency Response: 10Hz30KHzThe printing/appearance from batch to batch, but it not affect use; the actual product may have color difference due to different light or display.Colour:BlackMaterial:Aluminum AlloyPackage Contents:1 x Car AmplifierOnly above package content, other products are not included.Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is and/ 13cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.