2 stars for now because there are no instructions I don't have time to try it because I don't have time to run after the schematic and no pictures or ibfo on the surface of this side or board on input or output it is high input low input and what + - dunno a simple thing might lead me to solve this instead of another problem, very disappointed at the lack of concern to the buyer on the part protect against short circuits from the manufacturer? I hope so, given the last paragraph I wrote. To update. ok after using this amp considering the size, price and specifications i didn't expect much but after finding everything i can count 4 stars, it has a really good sound, very loud, special on the Bose passive crossover I was amazed at the pre-distortion volume. Has slight distortion at 80 percent volume on an 80 watt full range subwoofer from one channel, I didn't actually run both channels simultaneously as I only had time for quick tests but for the money ยฃ8 is a decent deal, instructions and power cord would make this a very good deal. I'll give you 4 stars but the lack of instructions is disappointing, if you're buying a new product expect at least a quick connect page, datasheet or parts list, even a schematic would be acceptable.
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