Review on 🔊 AIYIMA DC12V-24V 2.1 Channel TPA3116 Subwoofer Amplifier Board High Power Bluetooth Audio Amplifier Board 50W+50W+100W (Bluetooth Amp) by Jeff Jordan

Very happy with this blue tooth board, extremely compact and powerful, it even has bluetooth and volume and tone controls. The board uses high quality components, uses 2 Texas Instruments TPA 3116 integrated circuits, one in bridge configuration for the bass and the other for the left and right outputs. Used with an old HP 90W laptop PSU at 19V, 4.75A. It outputs 2 x 25W with an 8 ohm speaker for the left side. and right channel and 50W with 4 ohm speaker for bass. That's about all this 90W PSU can handle. The board can output 2 x 50W and 100W for the bass, but for that it needs a 24V 10A 300W power supply. I just got a 300w - 10amp power supply and was amazed at the power and sound quality. I will be using this board to repair klipsch prologic THX Stereo. Blue tooth is easy to connect, it can be switched to an external input when bluetooth is off , it appeared as M200B T4.2 for bluetooth scan Fast delivery from Revain, it arrived in 3 days with free shipping.