
Bought 5 pack for an Onkyo 5.1 surround receiver to replace Boston speakers (I still use a powered subwoofer). I didn't build them into the ceiling but built my own speaker boxes that are integrated into some custom furniture I designed out of cardboard. Works great as a bookshelf speaker. I made a wooden box with a built in speaker for a wood burning stove. Speakers and a flat center speaker behind a wood stove. Covid 19 gave me time. Stay safe and busy1. Universal2. Great price for Sound 3. They crank



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