The Altitude series amplifiers are SA-WEEEET. Great sound, powerful, reliable, and very affordable. Also, if they are installed by an authorized AudioControl dealer (Thats us!) they have a 3 year warranty!
The A1100.5 is a 5 channel amplifier, that can run your entire system. Rated at 90 watts x 4 channels, PLUS 600 watts x 1 @ 2ohms for your subwoofer. Wowza