Features: 1.Aluminum Alloy Housing: Car audio amplifier is made of brushed aluminum alloy shell, rustproof, lightweight, rugged structure, and can improve the efficiency of heat dissipation. 2.Fast Heat Dissipation: Large area groove design of the power amplifier, with side auxiliary heat dissipation hole, effectively increase the heat dissipation effect. 3.Improved Sound Quality: High power car amplifier, 2 channel, 3800W maximum power, 90dB sensitivity, will provide you clear sound quality, stable and safe. 4.Less Audio Loss: You install the amplifier under your seat, convenient for you to tune and the line between amplifier and host audio is shorter, audio loss is also reduced. 5.Wide Application: Amplifier bridge into a channel can also deal with the common single coil single magnet 10in subwoofer, you can also use this amplifier alone with set of speakers. specification:Item Type: Power Amplifier Material: Aluminum Alloy Output Resistance: 4-16 Frequency Response: 20-20 KHz Maximum Power: 3800W Sensitivity: 90dB PackageList:1 xCarAmplifier 1 x Manual 4 x Screw 1 x Insert Plate