TPA3116 BT5.0 Audio Power Amplifier Board Powerful Sound Amplifier Speaker Amp Board 50W+50W Amplificador Board

Features:
It is a mini power amplifier board for 2.1CH speakers.
This product using high performances digital power amplifier chip as the core, one to do parallel bridged bass channel power amplification output, one to do left and right channel power amplification output.
Support 100W (bass channel) + 50W (left channel) + 50W (right channel) 2.1-channel output.
Support BT5.0 audio reception , external audio input interface, with preamplifier, bass crossover processing.
Bass-volume, bass frequency, left and right channel-volume, treble, function control switch / total-volume, 5 adjustment potentiometers.
Wide working voltage, energy-saving design, efficiency up to 90%.