Altec Lansing BX1121 Computer Powered Subwoofer

RCA RTD155 Powered Subwoofer Home Theater Bass Speaker 6 Ohm RCA Audio

Sony SA-W2500 Active Powered 10" Subwoofer Bass-Reflex 70Watts - Vintage

Altec Lansing ADA 880 Multimedia computer speaker system powered subwoofer

Used Altec Lansing BXR1221 Powered Audio Computer Speaker System with Subwoofer

Harman Kardon HK395 Subwoofer Unknown If Works

RCA Wireless Subwoofer RTS7113WS, No cords. Untested.

Harman Kardon Multimedia Subwoofer ONLY Model HK395 Tested Works W/Power Speaker