Polk Audio Monitor X10 10" 100W Subwoofer 300648-01-00-101 B&H
100-Watt Outdoor Speaker 5-1/4 in. Woofer with Rubber Surround, Timbre-matched to all One-Series Speakers (Black) ASM80516 - The Home Depot
POLK AUDIO Monitor XT12 12" 100 Watt Powered Subwoofer Black | Accessories4less
Nakamichi Nbf20.0a 8-in. 650-watt Peak Power Active Under-seat Subwoofer With Wired Remote : Target
Sweton Speakers - Order Online
Amazon.com: BESTISAN 100-Watt Powered Subwoofer - 8 Inch Speaker, Massive Output, Low Distortion, for Studio and Home Theater Systems SW80 : Electronics
PreSonus Eris Sub8 - 100 Watt 1x8" Compact Studio Subwoofer