Amazon.com: PyleUsa 10-Inch Low-Profile Amplified Subwoofer System - 900 Watt Compact Enclosed Active Underseat Car Audio Subwoofer with Built in Amp, Powered Car Subwoofer w/Low & High Level Inputs - SBA10A :
SLIM10 Powered Car Subwoofer | Under Seat Car Subwoofer | 300 Watt RMS – TORO AUDIO
JBL Club WS1200 | 12” Shallow Mount Subwoofer
Amazon.com: 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 : Electronics
Amazon.com: Rockville RW10CA 10" 800 Watt Slim Low Profile Active Powered Car Subwoofer Sub, Black : Electronics
VD-10 | 10" 800 Watt Max Power Subwoofer - Shallow Mount - Skar Audio
Tang Band W6-2253S 6-1/2" Low Profile Subwoofer
Pyle PLBX10A 10” 900W Low-Profile Active Amp Car Subwoofer Enclosure, Wiring Kit | eBay
Infinity REF1200S Reference 12 Inch Low profile Subwoofer with SSI (Selectable Smart Impedance) - Open Box - Creative Audio
35 Series 10" 4Ω Single Voice Coil Shallow Mount Subwoofer | MTX Audio - Serious About Sound®