Any basshead will tell you that big power is key to great sound, but sometimes you just don't have much space in your boat or off-road vehicle for a big amp. Kenwood's eXcelon XM502-1 mono subwoofer ...

The Rockford Fosgate P500X1bd is a mono amplifier capable of 500 Watts into a 1-Ohm load. The Class-BD technology produces bass more efficiently over traditional amps, and its frequency response ...