MB Quart
MB Quart RW-108A 600W Reference Series 8" Slim Low Profile Compact Under-Seat 4-Ohm Active Powered Subwoofer Enclosure with Built in Amplifier for Car Boat RV ATV
Yaeccc
YaCCC 10 Inch 800W Car Under-Seat Sub Woofer Active Powered Amplifier Bass Enclosed,Under Seat Subwoofer and Amp Package
CT Sounds
CT Sounds CT-400.1D Compact Class D Car Audio Monoblock Amplifier, 400 Watts RMS
BOSS Audio Systems
BOSS Audio Systems BAB10 Amplified Car Subwoofer - 1200 Watts Max Power, Low Profile, 10 Inch Subwoofer, Remote Subwoofer Control, Great for Vehicles That Need Bass But Have Limited Space