Amazon.com: JBL Single 12" Car Audio Subwoofer Sealed Enclosure : Electronics
Amazon.com: Pyle 10" Car Audio Speaker Subwoofer - 1000 Watt High Power Bass Surround Sound Stereo Subwoofer Speaker System - Non Press Paper Cone, 90 dB, 4 Ohm, 50 oz Magnet, 2
Amazon.com: JBL Club 1024 - 10” Subwoofer w/SSI (Selectable Smart Impedance) switch from 2 to 4 ohm, Black : Electronics
Amazon.com: MTX Audio Terminator Series TNE212D 1,200-Watt Dual 12-Inch Sub Enclosure : Electronics
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: American Bass 10" Competition Car Subwoofer, 3000 Watt Maximum Power, Bass Surround Speaker, Car Audio Stereo Subwoofer - 10 inch, Dual 4 Ohm Voice Coil : Electronics
Amazon.com: Skar Audio Single 12" Complete 1,200 Watt SDR Series Subwoofer Bass Package - Includes Loaded Enclosure with Amplifier : Electronics
Amazon.com: Echo Sub - Powerful subwoofer for your Echo - requires compatible Echo device : Amazon Devices & Accessories
Amazon.com: H YANKA 12 Inch Subwoofer - 12 Inch Paper Cone Subwoofer Car Audio, Black Steel Basket, Dual Voice Coil 4 Ohm Impedance 12 subwoofer, 1600W MAX Power 12 inch Competition Subwoofer : Electronics
Amazon.com: BOSS Audio Systems BAB8 Amplified Car Subwoofer - 800 Watts Max Power, Low Profile, 8 Inch Subwoofer, Remote Subwoofer Control, Great for Vehicles That Need Bass But Have Limited Space : Electronics