Infinity
Infinity Reference 103W - 10" Component subwoofer with switchable 2- or 4-ohm impedance, 350W RMS, 1050W Peak, Sensitivity (1W/1m): 83dB, Frequency Response (-6dB): 35Hz – 500Hz
Pyle
Pyle 8-Inch Low-Profile Amplified Subwoofer System - 600 Watt Compact Enclosed Active Underseat Car Audio Subwoofer with Built in Amp, Powered Car Subwoofer w/Low & High Level Inputs - PLBX8A
BELVA
Belva BXD4K 4000W Peak BX-Series 1-Ohm Stable Class-D Monoblock Car Audio MOSFET Amplifier with Remote Subwoofer Level Control
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