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 YST-SW012 Active Subwoofer for sale online | eBay
Yamaha DXS12mkII 1020W 12 inch Powered Subwoofer | Sweetwater
ELAC Debut 2.0 SUB3010 10" Powered Subwoofer with AutoEQ
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
BAS8 - 8" 400 Watts RMS Class D Powered Subwoofer in Ported Enclosure,
JBL SRX928S Dual 18" Powered Subwoofer SRX928S B&H Photo Video
Seas L26ROY Subwoofer Kit
Jamo C 910 (White) 10" powered subwoofer at Crutchfield
Alpine PWE-S8-WRA 8-inch Compact Powered Subwoofer System for 11-18 Jeep Wrangler Unlimited JK | Quadratec
Polk Audio PSW110 (Black) Powered subwoofer at Crutchfield