Crunch P1 5000.5

I purchased this 5 channel crunch amp to replace an aging system in my ski boat. It was easy to install with 2 speakers in front, 2 speakers in the rear and a 12" subwoofer. All wiring and adjustments for sound were very easy. I was pleasantly surprised at the sound quality and levels of adjustment. The remote sub adjustment knob is a great plus. This system sounds so good that I often listen to the stereo as the boat sits in my garage. For the price, it can't be beat. I'm thinking about adding a similar set-up in my personal truck. The service from Sonic Electronics was great too.

I installed in a '97 Chevy Cavalier. I have 4 6-1/2" Polk and 1 12" Blaupunkt Sub and this amp hits hard. Clean power. No issues. Best buy for your buck. Owned since June 2011 and no issues. Clean, super clean power. My speakers sound like they are suppose to. Thought my Polks were bad. They are now alive. Sweet!!!

PROS; This amp is a great value for what you get. Well built. All the needed controls for various speaker setups. Fed with 1/0 gauge power and ground, with 10 gauge speaker connects will keep damping factor of the amp in very good control of rears and sub. I saddled mine with Infinity Kappa 62.9i front, 692.9i rear and Infinity Reference 860 sub in properly tuned ported enclosure in the trunk which gives superb sound all the way down to a very solid 28Hz bottom end. Properly adjusted and installed, this is the best bargain one can find in a class AB² SEPP amp. Obviously the amp has a large footprint, but realize 5 channels have to be adequately cooled, since the class of amp it is, and the heat generated by it. I would buy this amp again if I had to once again choose, and would recommend this highly to anyone looking for a very solid built, well designed AB class amplifier.

CONS; There are very few for what you pay for and get in this amp. The only thing I would have done at the design level, which would obviously raise it's price in doing so, I would have used the LM6172 (audiophile quality 3000V/µs slew rate) op-amp rather than the noisy and dirty and very slow JRC 4558D (1V/µs slew rate) in the front end of the amp. Obviously we are talking about raising this amps performance level to audiophile quality by replacing them, and I may do this when summer gets here and repost the results.

Great value for the price. BUT, disappointed in the sub power output. If you have a closed trunk you'll never hear/feel it. Semi-acceptable for hatchback/station wagon. Moral of the story, if you really want THUMP buy a dedicated mono amp. One downside. It is a little large.

I put this amp into a boom box for my daughters softball team. It is pushing 4 6-1/2" RF speakers and a 10" RF sub all in sealed boxes inside a large cabinet. Even at the parks in open air it carries a good kick.