DC12V-24V 2.1 Digital Audio Amplifier Board TPA3116D2 Subwoofer Speaker Amplifiers

2.1-channel audio amplifier
Chip Select:TPA3116D2
Supply voltage: DC 12-24V
Output power:50W*2+100W Subwoofer*1
Output Impedance:4-8ohm
Frequency range:14-100Khz
SNR:100db
Number of channels:3 (left channel, right
channel, subwoofer)
Switch frequency:1.2MHz

The amplifier board adopts two imported TPA3116D2 digital amplifier chips as the core, one piece as a left and right channel power amplifier, and another piece as a pre-bridge driver with NE5532 subwoofer, with a small, high efficiency, high power characteristics.

amplifier board Specification:

2.1-channel audio amplifier
Chip Select:TPA3116D2
Supply voltage: DC 12-24V
Output power:50W*2+100W Subwoofer*1
Output Impedance:4-8ohm
Frequency range:14-100Khz
SNR:100db
Number of channels:3 (left channel, right
channel, subwoofer)
Switch frequency:1.2MHz

amplifier board Features:

Adopts two high-quality TPA3116D2 digital amplifier chips.
Good sound quality, high efficient device and power amplifying feature.
50W x 2+100W 2.1 channels (left/right channel and subwoofer channel), high efficiency and low-heat.
Powered by DC 12-24V, wide input voltage.
Users can adjust the volume by themselves easily.
Applicable speaker impedance: 4-8 ohm.
Just connect the power supply and loudspeaker box, and enjoy pure digital music.

Note: This amplifier board have two power input End and Two audio input End, you can choose each one!