Features:

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!

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


Specifications:

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 / 3.94 * 2.75 * 1.18in (L * W * H)
Weight: 113g / 3.98oz
Package Size: 13.5 * 11 * 5cm / 5.31 * 4.33 * 1.97in (L * W * H)
Package Weight: 178g / 6.3oz
 
Package List:

1 * 2.1 Channel Audio Amplifier Board

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