So far (1 day) Love this little amp. I had a 4 ohm, 150 watt, 12 inch Infinity powered subwoofer that failed. I've tried to fix it multiple times. I decided to buy this device to control the subwoofer myself. Receiver, this device is very well tuned to different frequencies and power levels. I have the feeling that you can reach even lower frequencies with your subwoofer than with the original amplifier. I am very impressed. I have my home theater back! The board in this has the same part number as the one in Fosi.
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