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Review on 🎡 Powerful Bluetooth Subwoofer Audio Amplifier Board with Dual Channel Stereo Amp Module - DIY Speaker Upgrade with Treble and Bass Control (50W+ 50W) by Troy Arnold

Revainrating 5 out of 5

Wow! So much sound in a small package!

I used this amp to drive a special speaker cabinet that was used as an all round speaker system for the singer in my band. I used a 24V 9A power supply. The amplifier drives a 10" midrange driver and a 4" tweeter on each channel for a total of 4 speakers. I don't know what impedance the amp needs, but woofer and tweeter on each side run in parallel, that's probably 4 ohms per channel. Almost everything about this amp is impressive. The volume works smoothly and gets LOUD. I found it uncomfortable to raise it above 75% at home and the sound was still very clear. The bass and treble controls work surprisingly well. I ended up cranking both sounds up pretty high for my speaker setup, but your mileage may vary. I didn't notice any heat build-up, but there was a small flow of air from the fan on my PSU. Overall this is a great option if you are doing a DIY project and need VOLUME. Finding a 200W power adapter is the most difficult task.

Pros
  • Home Audio
Cons
  • Expensive