AIYIMA DC12V-24V 2.1 Channel TPA3116 Subwoofer Amplifier Board High Power BT Audio Amplifier Board 50W+50W+100W (BT Amp)
Brand: AOSHIKE

TPA3116 DC 12-24v 100W Subwoofer Amplifier Board Support Bass Output ,Video Audio Accessories
Power supply: DC 12-24V Output power: 100W Use 12 to 24 v power supply,DC power supply wide working voltage, power saving type design, efficiency is as high as above 90 percent.The biggest can support 100 w Bass sound channel output
Working voltage range:
Dc 9 to 25 v (current 2 -3A above, if you want to power Big,advice 19-24v 4A above).
Frequency response range: input: 20 hz - 20 KHZ, output: 20 hz - 180 hz
Audio input sensitivity: 500 mv.
Speaker impedance: bass speaker impedance: 2-8 ohm
Bass output power:
12V/10w(8ohm)/ >19w(4ohm)/>22 w( 3ohm m) />30w(2ohm)
15V/>15w(8ohm)/>29w(4ohm)/>39w(3ohm)/>50w(2ohm)
19V/>24w(8ohm)/>48w(4ohm)/>60w(3ohm)/>75w(2ohm)
24V/>38w(8ohm)/>75w(4ohm)/>95w(2-3ohm)
Packaging included
1pcs* Subwoofer Amplifier Board

100W Subwoofer Amplifier Board;BT 5.0 Power Amplifier,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.
DC 12-24V power supply, wide operating voltage, power-saving design, more than 90% power efficiency. Maximum support 100W (Bass) bass channel output
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, Here is our 24V power Adapter link:https://www.amazon.com/dp/B07R28RW4H