PCB size 75X60MM
Power connector is a standard 5.5MM power jack, and most of the same notebook power
Power Range: 8-25V
Digital amplifier can do subwoofer plate amplifier with a pre-match buffer op amp NE5532
The United States is using the new high-performance TI's TPA3116D2 amplifier chip as the core, a single power supply 8-25V DC wide working voltage, maximum 50W (left channel) + 50W (right channel) two-channel output, efficiency as high as 90%. You can use switching power supply, laptop power supply, battery or vehicle power supply and so on ...
1pcs*TPA3116D2 100W Subwoofer Digital Power Amplifier Board NE5532 OPAMP 8-25V