Amazon.com: Planet Audio BBD12B 12 Inch Car Subwoofer - 2500 Watts Maximum Power, Dual 4 Ohm Voice Coil, Sold Individually, Black : Electronics
Amazon.com: Monoprice 60-Watt Powered Subwoofer - 8 Inch With Auto-On Function, For Studio And Home Theater Black : Everything Else
Amazon.com: Generic American Bass 12 Car Subwoofer, 6000 Watt Maximum Power, Bass Surround Speaker, Car Audio Stereo Subwoofer - 12 inch, Dual 1 Ohm Voice Coils : Electronics
Amazon.com: Audiopipe APSB-1299PP Dual 12 Inch Car Audio Subwoofer Speakers and Sealed Enclosure, 2 Channel 500 Watt Amplifier, and Wire Installation Kit : Electronics
Amazon.com: SVS SB-1000 Pro Sealed Subwoofer (Black Ash) : Electronics
Amazon.com: American Bass E1544 15" 2400 Watt Elite Series DVC Subwoofer : Electronics
Amazon.com: Audiopipe TXX-BDC4-10 Subwoofer Quad Stack 10 Inch 1800 Watt High Performance Powerful 4 Ohm DVC Vehicle Car Sub Audio Subwoofer Speaker System, Black : Electronics
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: 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: Rockford Fosgate P3SD2-8 8" Dual 2-Ohm Punch Series Shallow Mount Car Subwoofer : Everything Else
Amazon.com: PHEANOO 2.1 Compact Sound Bars for TV with Subwoofer, HDMI ARC/Bluetooth 5.0/Optical/AUX/RCA Connection, Remote Control, Adjustable Bass, Wall Mountable – P15, 140W, 16 inch : Electronics
Amazon.com: Skar Audio Single 15" Complete 1,200 Watt SDR Series Subwoofer Bass Package - Includes Loaded Enclosure with Amplifier : 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: Echo Sub - Powerful subwoofer for your Echo - requires compatible Echo device : Amazon Devices & Accessories
Amazon.com: Skar Audio EVL-65 D4 6.5" 400 Watt Max Power Dual 4 Ohm Car Subwoofer : Electronics
Amazon.com: MTX TNP212D2 12-Inch 400-Watt RMS Dual Loaded 1200-Watt Car Subwoofer Enclosure Audio with Sub Box, Mono Block Amplifier, and 8 Gauge Amplifier Amp Complete Wiring Installation Kit : Electronics
Amazon.com: Audioengine S8 Powered Subwoofer Speaker - 250W 8-inch Home Subwoofer with Built-in Amplifier and Dual Audio Inputs for Home Speaker System (Black) : Electronics
Amazon.com: Rockville W12K6D4 V2 12" 2400w Peak Car Audio Subwoofer Dual 4-Ohm Sub 600w RMS CEA Rated : Electronics
Amazon.com: H YANKA 10 Inch Subwoofer - 10 Inch Paper Cone Subwoofer Car Audio, Black Steel Basket, Dual Voice Coil 2 Ohm Impedance 10 subwoofer, 1200W MAX Power 10 inch Competition Subwoofer : Electronics
Amazon.com: Pyramid 6" Car Audio Speaker Subwoofer - 300 Watt High Power Bass Surround Sound Stereo Subwoofer Speaker System w/ Molded P.P. Cone, 86 dB, 4Ohm, 40 oz Magnet,1 inch KAPTON Voice
Amazon.com: BELVA BPKG Series Car Subwoofer with Ported Enclosure, Monoblock Amplifier, Wiring Kit and Remote Bass Knob (1000W Dual 10") : Electronics
Amazon.com: Car Audio Dual 12" SPL Bass Subwoofer Labyrinth Vent Sub Box Stereo Enclosure : Electronics