Rockford Fosgate R400-4D 400 Watt Full-Range Class-D 4-Channel Amplifier
The Rockford Fosgate Prime R400-4D delivers plenty of punch with 75 watts RMS of output per channel at 4 ohms, 100 watts RMS per channel at 2 ohms, and 200 watts RMS bridged output at 4 ohms. Being a Class-D amplifier, it can fit in small spaces while running cool to ensure long-term reliability. Variable high and low pass filters as well as Rockford Fosgate's Punch EQ bass boost (up to 18dB) ensure that you'll be able to make your system sound how you want it to. Overall, this is an excellent amplifier with a lot of performance crammed into its compact size, especially when considering the price.