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: 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: JBL Single 12" Car Audio Subwoofer Sealed Enclosure : Electronics
Amazon.com: NVX VCW122v3 (VCW122 Version 3) 2400 Watt Peak (1200W RMS) 12" VC-Series v3 Dual 2-Ohm Car Subwoofer : 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
Amazon.com: BOSS Audio Systems CH10DVC 1500 Watt, 10 Inch, Dual 4 Ohm Voice Coil Car Subwoofer : Everything Else
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: 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: REL Acoustics T/7x Subwoofer, 8 inch Front-Firing Driver, Arrow™ Wireless Port, High Gloss White : Electronics
Amazon.com: BESTISAN Powered 6.5'' Home Audio Subwoofer, Deep Bass Response Subwoofers in Compact Design, Easy Setup with Home Theater Systems, TV, Speakers, RCA, Black : 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: KICKER TRTP 12-inch (30cm) Thin Down Firing Subwoofer and Passive Radiator Enclosure, 2-Ohm, RoHS Compliant : Electronics