This amp was amazing for about a year. I had it on 3 kicker subs in my truck, and they rocked. That is until it quit. The amp just gave up. I wasnt using to hard, and it was NEVER maxed out, but it was just not enough. If you need good sound for something a little smaller thats fine, but I would buy a P1000 over this anyday.
purchased this amp thinking i would need to replace it ina year or two have it running now on my third year and all i can say its that if it does go out on me by now i will come back and bay the exact same one i have never had any problems with this amp loud and clear i am running 2 12" subs and two component speakers. i run this for my trips when i go on the high way for an hour or two and it keeps kicking took me about a full month to set the gains to the corect level. hint start low and you will get the best performace. perfect 10/10.
If anyone have a question of how good is MbQuart RA640.4, I can honestly say It's excellent. I had JL 300/4 original and JBL Px300.4 and all I can say is, it sound if not the same, better than the JL. It kills the JBL. I replace the JL with JBL because it died after 8 year and I could tell the the sound quality went down, then I replaced the JBL Px300.4 one week ago with Mb Quarts RA640.4 and WAW incredible sound difference, it also took away some engine noise that I was getting with the Jbl. To be totally honest WAW, WAW, WAW and it does not get hot. I have it under my car seat pushing 4 JL C-5s and could not be happier. I don't write reviews but this was an excemption. I was researching for over a month and I could not get a stright answer, so I help this can help someone.
I have always been a man of Audio Bahn and JL audio but this time around I was convinced to try RF. I bought a P2D4-10 and a P 300x1. I built a custom box for my truck using the box wizard on rockfordfosgate.com. This small 300 RMS setting is AMAZING for what it is. I previously had a 800rms audiobahn 12 with a 1000rms crunch amp and this destroys it! The amps birth certificate rates it at 455RMS @ 2ohms.
Amazing quality for the money!!!
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