Amazone has this Boss all in one low profile subwoofer on sale for Black Friday. I have no idea if it's good or Junk, but the size would be great for under seat or on the tailgate.
Amazon.com: Boss BASS1200 10-Inch Low Profile Amplified Subwoofer with Remote Subwoofer Level Control: Car Electronics
Product Features
10-Inch low-profile amplified subwoofer with max power of 1200 Watts
RCA low level input and high level input for universal compatibility
Remote Subwoofer level control with phase selector switch
0 to +12dB variable Bass Boost (@45Hz); Subsonic filter (20-50 Hz) and Low pass filter (20-150 Hz)
Soft delay remote turn-on and thermal, short and overload protection circuits
Technical Details
Brand Name: BOSS
Model: BASS1200
Warranty: 1 Year, 1 Year over the counter exchange
Amazon.com: Boss BASS1200 10-Inch Low Profile Amplified Subwoofer with Remote Subwoofer Level Control: Car Electronics
Product Features
10-Inch low-profile amplified subwoofer with max power of 1200 Watts
RCA low level input and high level input for universal compatibility
Remote Subwoofer level control with phase selector switch
0 to +12dB variable Bass Boost (@45Hz); Subsonic filter (20-50 Hz) and Low pass filter (20-150 Hz)
Soft delay remote turn-on and thermal, short and overload protection circuits
Technical Details
Brand Name: BOSS
Model: BASS1200
Warranty: 1 Year, 1 Year over the counter exchange