Subwoofers

Polk Audio DSW Pro 400
Flexible configuration, a full list of features, and solid bass performance gives the Polk Audio DSW Pro 400 a leg up on similar-size subwoofers.
Specs: subwoofer, 13.7 in x 13.7 in x 14.6 in, Black, Active, 180 Watt

Polk PSW111 Compact Powered Subwoofer - Black
The able Polk Audio PSW111 subwoofer delivers seamless bass despite its compact size.

Definitive Technology ProSub 800 (black)
If you don't mind its uninspired aesthetics, the Definitive Technology ProSub 800 is a mighty little subwoofer and a fine match for its SSA soundbars and ProCinema satellite speakers.
Specs: subwoofer, 10.3 in x 15.7 in x 12.9 in, Matte black, Active, 300 Watt

Klipsch Synergy Sub-12
The Klipsch Synergy Sub-12, the company's most affordable 12-inch subwoofer, sounds great on music and movies.
Specs: subwoofer, 15 in x 19.9 in x 18 in, Black, Active, 300 Watt

Aperion Intimus S-10, 10" Powered Subwoofer (Cherry)
The Aperion S-10 subwoofer is a winning combination of rock-solid construction, impeccable furniture-grade finish, and seismic, room-shaking performance.
Specs: subwoofer, 13.3 in x 19 in x 17.5 in, Cherry, Active, 200 Watt

Yamaha YST-FSW100 (black)
Yamaha's pint-size YST-FSW100 subwoofer is the ideal partner for its Digital Sound Projector virtual surround speakers.
Specs: subwoofer, 15.7 in x 6.2 in x 14.8 in, Piano black, Active, 130 Watt

Yamaha YST-FSW100 (silver)
Yamaha's pint-size YST-FSW100 subwoofer is the ideal partner for its Digital Sound Projector virtual surround speakers.
Specs: subwoofer, 15.7 in x 6.2 in x 14.8 in, Silver, Active, 75 Watt

Klipsch Synergy Sub-10
Klipsch's Synergy Sub-10 is powerful and musical, and that's not something you always find in midpriced subwoofers.
Specs: subwoofer, 14 in x 18.9 in x 17 in, Black, Active, 115 dB, 200 Watt

Fluance DB-150
This robustly built subwoofer's performance is far from state of the art, but the price alone makes it worth considering.
Specs: subwoofer, floor-standing, 12.3 in x 16.5 in x 18.5 in, Active, 150 Watt

Polk Audio PSW10 (black)
Polk's baby subwoofer belts out tight home-theater bass and sounds sweet with music, too.
Specs: subwoofer, 14 in x 16.1 in x 14.4 in, Active, 50 Watt