13 in - 14.9 in Separate Speakers

The Bottom Line: 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

The Bottom Line: 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

The Bottom Line: 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

The Bottom Line: The Diamond SW150 is the perfect match for Wharfedale's excellent towers and nimble satellites.

Specs: subwoofer, 13 in x 14.6 in x 13 in, Beech, Active, 10 KOhm

The Bottom Line: The Diamond SW150 is the perfect match for Wharfedale's excellent towers and nimble satellites.

Specs: subwoofer, 13 in x 14.6 in x 13 in, Black ash, Active, 10 KOhm

The Bottom Line: The Diamond SW150 is the perfect match for Wharfedale's excellent towers and nimble satellites.

Specs: subwoofer, 13 in x 14.6 in x 13 in, Cherry, Active, 10 KOhm

The Bottom Line: The Diamond SW150 is the perfect match for Wharfedale's excellent towers and nimble satellites.

Specs: subwoofer, 13 in x 14.6 in x 13 in, Rosewood, Active, 10 KOhm

The Bottom Line: The Diamond SW150 is the perfect match for Wharfedale's excellent towers and nimble satellites.

Specs: subwoofer, 13 in x 14.6 in x 13 in, Silver, Active, 10 KOhm

The Bottom Line: The CSW-10 is expensive, but its combination of power and finesse makes it a serious value.

Specs: subwoofer, 13.3 in x 15.4 in x 14 in, Black, Active, 650 Watt

The Bottom Line: The CSW-10 is expensive, but its combination of power and finesse makes it a serious value.

Specs: subwoofer, 13.3 in x 15.4 in x 14 in, Cherry, Active, 650 Watt