Buy Sony XM604M Marine 4/3-Channel Amplifier

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We bought this for our boat to go along with a new Sony stereo, 4 speakers, and subwoofer. The sound quality with just the Sony stereo and speakers was not impressive, I was ready to return everything. Lots of noise and any bass sounded awful. We decided to give the stereo and speakers a chance by buying the Sony subwoofer and amp. I am so glad we did. After hooking everything up, which was easy, the sound quality was amazing. Everything from Hip-hop to high-treble 80's music sounds great. I was worried because Sony is not known for sound quality, but I am sold from now on. I hope this review helps. I could not find enough reviews when I was buying this product.

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After getting my boat with the factory head unit and speakers in it, I opted for sony's marine unit to add capability to the boat for using ipods-sirius-mp3 discs etc. That went great, as I could use many new modern devices, but the sound was terrible with my 2 little 25 watt RMS speakers. So then I dropped in some new polk (100 watt RMS) speakers. Much better sound but now the head unit couldn't push enough power to the speakers and the unit would start to clip the sound at higher volumes as it struggled to try and keep up. So to cure this I opted for this amp. Now I have what I consider great, clean, clear, crisp sound at very loud levels without any distortion. Now I am not the biggest audiophile out there and this is my first install of head units, speakers and amps but it is all very clear and easy to understand and do. I guess now my next move will to be to buy a sub woofer to run off the amp and then to buy a wakeboard tower and install some more speakers and then buy another amp to run those and then buy the remote commander for the stern etc...But seriously this amp so improved the overall sound and capabilities of my system that it is now something you want to use and listen to.

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Best value per dollar I found and I don't feel that I sacrificed power for cost. The hookup was quick, and mounting was easy. I'm powering 4 Infinity 6.5" and a 10" sub and my boat ROCKS! Great purchase!

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I run 2 of these in my boat....wanted to be able to hear some bass over the sound of the motor while wake boarding....got what I asked for....good speakers for the price.

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I bought a Ski Centurion Elite V 22' boat and wanted to upgrade the stereo system from the existing Alpine unit (which didn't have an i-pod port) and the older marine speakers. I installed this Sony Amp, along with the Sony CDXM60UI Marine Stereo and 6 Polk DB-651 speakers (4 in the boat & 2 on the tower). This combination has a clean crisp sound, even at a higher volume, with a nice bass. I'm so impressed with this amp. My installer was also impressed with how this system sounded. I would recommend it highly.