Fuhjythy TPA3116 Subwoofer Amplifier Board 100W Bass Output DC12-24V Digital Small Power Amplifiers Video Audio Accessories

DC 12-24V power supply, wide operating voltage, power-saving design, more than 90% power efficiency. Maximum support 100W (Bass) bass channel output 100W Subwoofer Amplifier Board;Frequency response range: input: 20 hz - 20 KHZ, output: 20 hz - 180 hz Operating voltage range: DC 12-24V(maximum voltage is no more than 24V); built-in TPA3116 amplifier chip;This is a pre-amplifier, bass frequency processing, with bass volume potentiometer control of the bass amplifier board. Audio input sensitivity: 500 mv;Speaker impedance: bass speaker impedance: 2-8 ohm You can use a good switching power supply adapter, laptop switching power supply, or rectified filter transformer power supply, you can also use rechargeable batteries, or vehicle power supply and so on.