Alpine PDX-F4 4/3/2 Power Density Digital Amplifier
let me just say that this amp ROCKS! birth sheet was 120rms! i have it hooked up to 2 sets of [[ASIN:B00009V3S8 6-1/2  Component System (INFINITY PERFT61)]] and an [[ASIN:B003BF2H7U Alpine CD Player MP3 CDW AAC WMA USB - CDA117]]. This amp makes the perfects scream and thump. I even took a 8 hour road trip and jammed the entire time without cuttin off! The gain is set at about a quarter of the way and i dont need it any higher. Worth every penny! Dont settle for ghetto, get quality!<br /><br />Pros-<br />ea