Alpine MRX-F35 4 Channel Amplifier. Looking for PDX sound quality at a lower price? With a little less output (55 watts x 4) you can have excellent sound quality at an excellent price.

High powered clean, efficient amp from Alpine's award winning PDX series amp line. 100 watts a channel of pure, sweet power.

The JL Audio JX 360/4 is a very rich, warm sounding, Class A/B, 4 channel amp available at a very reasonable price. With 60 watts RMS per channel, the JL Audio JX 360/4 is an excellent value.

This is a phenomenal sounding 4 channel amp packs a punch that will be hard to believe considering the compact size of the amp. The JL Audio XD 400/4 features 75 watts RMS per channel and only 2" high, 8.5" wide and 7" long.