powered subwoofer
Dynaudio Sub 6 12\
CANTON SUB 12.3 12\
Amazon.com: BESTISAN Powered Subwoofer, 6.5'' Bluetooth 5.0 Home Audio Subwoofer, Deep Bass Response Subwoofers in Compact Design, Easy Setup with Home Theater Systems, TV, Speakers, Optical/Bluetooth/RCA, Black : Electronics
Monoprice 8in 60-Watt Powered Subwoofer, Black - Monoprice.com
Dayton Audio SUB-1000 10\
Jamo S 808 SUB (Black) Powered subwoofer at Crutchfield
