The United States’s new high-performance TPA3116D2 amplifier chip is used 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.

• Voltage : 8-25V
• Power supply interface : Standard 5.5mm power jack
• Digital amplifier can do the standard mono amplifier board can also do subwoofer amplifier board,with a pre-op amp NE5532 buffer matching
• Note : normal operation is the first external power supply and digital power amplifier connected to the power port, then go to the external power supply 220V power cord into the power outlet
• Product size : about 9.80*6.20cm/3.86″*2.44″
• Quantity : 1Pc

Device	Amplifier Board
Type	Subwoofer | Digital | Power