Amazon.com: BESTISAN Powered Subwoofer, Deep Bass Subwoofer, Down Firing Sub in Compact Size, Easy Setup with Home Theater System, TV, Receiver, Speakers (RCA Cable Included, Black),SW65C : Electronics
Yamaha DXS12mkII 1020W 12 inch Powered Subwoofer | Sweetwater
Yamaha 10-Inch 100-Watt-Max Powered Subwoofer Black NS-SW100BL - Best Buy
QSC KS118 18-Inch 3600 Watts Active Powered Subwoofer | American Musical Supply
Monoprice 8in 60-Watt Powered Subwoofer, Black - Monoprice.com
Yamaha DXS15mkII 1020W 15 inch Powered Subwoofer | Sweetwater
Alpine PWE-S8-WRA 8-inch Compact Powered Subwoofer System for 11-18 Jeep Wrangler Unlimited JK | Quadratec
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
Behringer VQ1500D 500W 15 inch Powered Subwoofer | Sweetwater
NS-SW100 - Overview - Speakers - Audio & Visual - Products - Yamaha - United States
Jamo C 910 (White) 10" powered subwoofer at Crutchfield
Yamaha YST-SW012 Active Subwoofer for sale online | eBay
PA System Set: Powered 15" Speakers & 18" Subwoofers, Mixer, Microphone System, Audio Cables (CARME115118-NESO-S1) – Sound Town Inc
ZRX-S18P: 18" Powered Subwoofer – Gemini Sound
Harbinger S12 12" Compact Powered Subwoofer With DSP | Guitar Center