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  • Adopts two high quality TPA3116D2 digital amplifier chips.
  • Sound quality is very good, high efficiency and amplifying power.
  • 50Wx2+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: TPA3116D2 x 2
  • Channel Type: 3 Channels(Left Channel, Right Channel, Subwoofer)
  • Output Power: 50W x 2 + 100W x 1 Subwoofer
  • Output Match: 4-8 ohm
  • Audio Output: Terminals
  • Frequency Response Range: 14-100KHz
  • SNR: 100dB
  • Switching Frequency: 1.2MHz
  • PCB Board Size: 10.0 x 7.0 x 3.0cm / 3.94 x 2.75 x 1.18in (L x W x H).

Package Included:

  • 1 x 2.1 Channel Audio Amplifier Board

NO Retail Box. Packed Safely in Bubble Bag.

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