I have a 01 330, I just installed a Fusion MSRA770 head unit, replaced the 4 speakers with Fusion 6.5 200 watt speakers. I added 2 in the cockpit, right above the steps on each side. My combing pad covered an access hole that I enlarged to accept the speakers, I had the cushions shortened. All 6 speakers have covers on the back side of them to push the sound forward. This is exactly where Grady put them on the new boats. I also installed a 10" sub starboard side just behind the helm seat. The rear 4 speakers and sub are powered by a Diamond Audio Micro 5 channel amp (1100 watts) and the 2 in the V birth are powered by the head unit. I have to say it sounds awesome.
Here’s a couple of pics of the cockpit speaker and the sub woofer, the cushion use to make the turn and cover an access hole where the speaker is. Had my upholstery guy cut them short.
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