I bought 3 pairs of these to put in an open bow boat to replace the stock Sony marine grade speakers. Although I did have to pilot drill new mounting holes on each speaker, they fit perfectly into the boat's speaker cutouts. Not too tight, not too loose. (I had Alpine type R's in the last boat and they were a very tight fit) They look and sound great in the boat! Remember that you'll need to also find a place to mount the external crossover block which can be tricky in a boat. The open air environment of a boat requires that a system be able to play loud, and these achieve that well. I run them down to about 100 Hz and I have them matched with a 12 inch sealed Alpine type R. I have about 75 watts RMS running to these speakers through their own amp. I would highly recommend these speakers for marine use.
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A great deal on name brand speakers. I looked at many sites and found Sonic to be the best place. Service and communications from them throughout the purchase was excellent. Thanks.
