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2x50W +100W Power Amplifier Board

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Board Amplifier Subwoofer +100W 50W TPA3116D2 Digital 2x 2.1 Channel Power


Adopts two high quality TPA3116D2 digital amplifier chips.

Sound quality is very good, high efficiency and amplifying power.

50W*2+100W  2.1 channels(left/right channel and subwoofer channel), high efficiency and low-heat.

Powered by DC 12-24V, wide input voltage.

User can adjust the volume by themselves easily.

Applicable speaker impedance: 4-8 ohm.

Just connect the power supply and loudspeaker box, enjoy the pure digital music!


This amplifier board must be powered by DC power(DC12-24V), it's better to use high-performance switch power. Don't use transformer!


Supply Voltage: DC 12-24V

Chip: TPA3116*2

Channel Type: 3 Channels(Left Channel, Right Channel, Subwoofer)

Output Power: 50W*2 + 100W*1 Subwoofer

Output Match: 4-8 ohm

Audio Output: Terminals

Frequency Response Range: 14-100KHz

SNR: 100dB

Switching Frequency: 1.2MHz

PCB Board Size: 100 * 70 * 30mm 

Weight: 178g


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2x50W +100W Power Amplifier Board

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