Amazon.com: H YANKA 12 Inch Subwoofer - 12 Inch Paper Cone Subwoofer Car Audio, Black Aluminum Basket, Dual Voice Coil 4 Ohm Impedance 12 subwoofer, 1600W MAX Power 12 inch Competition Subwoofer : Electronics
Amazon.com: JBL S2-1224 - 12” Subwoofer with enclosure and SSI™ (Selectable Smart Impedance) switch from 2 to 4 ohm, Black (S2-1224SS) : Electronics
Amazon.com: Pyle 10'' Dual Bass Subwoofer Box System - 500-Watt Slim Mount Truck Audio Subwoofer Box, 4 Layer Dual Voice Coil, Rear Vented Design with Built-in Illuminating LED Lights - PLBAS102LE : Electronics
Amazon.com: Pyle 12 Inch Subwoofer Box System - 600 Watts Powered Slim Bass with a Non-Pressed Paper Cone Perfect for Mount Car Truck Audio Subwoofer Enclosure, Rear Air Tight Seal Design : Electronics
Amazon.com: CT Sounds Meso-6.5-D2 6.5 Inch Car Subwoofer Dual 2 Ohm, 800 Watts Max : Everything Else
Amazon.com: JBL Single 12" Car Audio Subwoofer Sealed Enclosure, Black : Electronics
Amazon.com: Skar Audio VD-10 D4 10" 800W Max Power Dual 4 Ohm Shallow Mount Car Subwoofer : Electronics
Amazon.com: BELVA BPKG212v2 1200W Dual 12" Car Subwoofer with Ported Enclosure, Monoblock Amplifier, Wiring Kit and Remote Bass Knob : Electronics
Amazon.com: Soundstream USB-10P 10 Inch Underseat Enclosed Car Vehicle Subwoofer with Built In 150 Watt RMS Amplifier and Bass Knob Remote Control, Black : Electronics
Amazon.com: JBL BassPro SL2 Active Underseat Car Subwoofer with Built in Amplifier - Under Seat 8'' 125 Watt Power Amplifier : Electronics
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 - PPLBX10A :
Amazon.com: NVX VSW154v2 15" 1500W Peak (750W RMS) VS-Series Car Subwoofer (VSW154 Version 2) : Electronics
Amazon.com: Cadence FSB10SP 10 Inch Non Amplified Enclosure with Grill, 400 Watts Slim Passive Car Subwoofer Sealed Bass Box : Electronics
Amazon.com: Cadence FXB121VA 12 Inch Active Enclosure with Built-in Amplifier 600 Watts Car Subwoofer Vented Bass Box : Tools & Home Improvement
Amazon.com: Massive Audio HIPPOXL64 – 6 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 6" Subwoofer 300 Watt RMS, 600w MAX Dual 4 Ohm, 2 Inch Voice Coil. Sold Individually : Electronics