Polk Audio HTS 12 in. Powered Subwoofer with Power Port Technology AM7516 - The Home Depot
Premium 140W Gaming PC Subwoofer | Deep Bass | NZXT Relay
R-101SW 10" Subwoofer | Klipsch
Amazon.com: Pyle Car Subwoofer Audio Speaker - 8in Non-Pressed Paper Cone, Black Plastic Basket, Dual Voice Coil 4 Ohm Impedance, 800 Watt Power and Foam Surround for Vehicle Stereo Sound System -
Amazon.com: DS18 SLC-8S Subwoofer in Black - 8-Inch Speaker, 400W Max Power, 200W RMS Power, Aluminum 4 Layer Voice Coil, Black Steel Frame, SVC, 4 Ohm Impedance, Ferrite Magnet (1 Speaker) (SLC8S) : Electronics
Subwoofer for S-series Soundbar W510 | Samsung US
REFERENCE 8b Subwoofer | KEF USA
Elite 15" Subwoofer | Car Audio Equipment | American Bass
Amazon.com: BESTISAN Powered Subwoofer, 6.5" Active Home Audio Subwoofer in Compact Design,LFE & Stereo Line Inputs & Audio Output, Built-in Amplifier for Home Theater/Receiver/TV/Speakers, Black, SW65D : Everything Else