Home Mini Amplifier DC12V Audio Power Amplifier Stereo Subwoofer Bluetooth Player For Home Speakers and Car Media Systems

AK-170 Features: ​Type: Hifi Power Amp ​Channel: 2.0 ​Material: Aluminum Alloy ​RMS Power: 20W+20W ​Rated Voltage: 12V/3A ​SNR: 85dB ​Resolution: 47K ​Distortion Rate: 0.1 ​Impedance: 4-8 Ω ​Rated frequency: 20-20KHz ​Receiving mode: RCA ​Size: 125x105x42mm ​ ​Package Included: ​1x Power Amplifier ​1x User Manual ------------------------------ AK-270 Specifications: ​Material: Aluminum Alloy ​Color: Balck ​Channel: 2CH ​RMS Power: 20W x 2 ​Max Power: 200W x 2 ​Input Voltage: DC 12V ＞3A ​SNR: 85dB ​Distortion Rate: ＜0.4% ​Load Impedance: 4-8Ω ​Frequency: 20Hz-20KHz ​Size: 12.5*10.5*4.2cm / 4.9x4.1x1.7in (L*W*H) ​ ​Package Included: ​1x Power Amplifier ​1x User Manual ------------------------------ AK-370 Specifications: ​Type: Hifi Power Amp ​Channel: 2.0 ​bluetooth:5.0 ​Material: Aluminum Alloy ​RMS Power: 20W+20W ​Rated Voltage: 12V/3A ​SNR: 90dB ​Resolution: 47K ​Distortion Rate: 0.1 ​Impedance: 4-16 Ω ​Rated frequency: 20-20KHz ​Receiving mode: USB/Aux/Bluetooth/SD ​Size: 125x75x40mm ​ ​Package Included: ​1x Power Amplifier ​1x Remote Control ​1x FM antenna ​1x User Manual ------------------------------ AK-380 Specifications: ​Amplifier type: hifi power amplifier ​Color: Black ​Size: 155x85x45mm/6.1inx3.3inx1.7in ​Rated voltage: 12V ​RMS power: 40W+40W ​Max power: 400W+400W ​Rated frequency: 20-20KHz ​Resolution: 47K ​Distortion rate: 0.1 ​SNR: 90dB ​Impedance: 4-16 Ω ​Power amplifier type: hifi amplifier ​Material: aluminum alloy ​Interface type: clip ​Receiving mode; audio input ​Weight: 0.4 (kg) ​ ​Package Included: ​1 x Power Amplifier ​1 x Remote Control