40W Digital Amplifiers Audio 12V Bass Audio Power Bluetooth Amp Hifi FM Subwoofer Speakers AK370

Specifications:>>>AK380<<<Type: Hifi Power AmpChannel: 2.0Material: Aluminum AlloyRMS Power: 40W+40WMax Power: 400W+400WRated Voltage: 12V/3ASNR: 90dBResolution: 47KDistortion Rate: 0.1Impedance: 4-16 ΩRated frequency: 20-20KHzReceiving mode: USB/Aux/BluetoothSize: 155x85x45mm/6.1x3.3x1.7inch>>>AK370<<<Color: BalckMaterial: Aluminum AlloySize: 125X75X40MMbluetooth: SupportInput voltage: DC 12V 2A-5ARMS power: 20W+20WChannel: 2CHLoad impedance: 4-16ΩSNR: >90 dbFrequency: 20Hz-20KHzDistortion rate: 0.01%>>>AK270<<<Model: AK270Material: Aluminum AlloyColor: BalckChannel: 2CHRMS Power: 20W+20WMax Power: 200W+200WInput Voltage: DC 12V ＞3ASNR: 85dBDistortion Rate: ＜0.4%Load Impedance: 4-8ΩFrequency: 20Hz-20KHzSize: 12.510.54.2cm / 4.9x4.1x1.7in (LWH)>>>AK170<<<Product name: AK 170 Power AmplifierColor: BlackMaterial: Aluminum AlloyInput voltage: DC 12VRMS power: 20W+20WChannel: 2CHLoad impedance: 4-16ΩSNR: 90 dbFrequency: 20Hz-20KHzDistortion rate: 0.01%Size: About 125 x 75 x 40mm(LWH)Package Included:>>>AK370<<<1 x Power Amplifier ( Not Included Power Adapter )1 x Remote Control1 x Manual>>>AK170<<<1 x AK170 Mini Power Amplifier1 x User Manual