13 in - 13.9 in Subwoofers

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 able Polk Audio PSW111 subwoofer delivers seamless bass despite its compact size.

Specs: subwoofer, 11 in x 13 in x 12.1 in, Black, Active, 150 Watt

The Bottom Line: This baby boomer is just the ticket to match the PSB Speakers satellites.

Specs: subwoofer, 9.6 in x 13.9 in x 13.3 in, Black, Active, 103 dB, 50 Watt

Specs: subwoofer, 13.8 in x 13.8 in x 6.4 in, Black, Active, 12 KOhm, 50 Watt

Specs: subwoofer, 17.1 in x 13.8 in x 5.9 in, Black, Active, 12 KOhm, 75 Watt

Specs: subwoofer, 17.5 in x 13.6 in x 17.5 in, Mist, Active, 150 Watt

Specs: subwoofer, 13.5 in x 13.5 in x 15 in, Medium cherry, Active, 300 Watt

Specs: subwoofer, 10.2 in x 13 in x 10.6 in, Active, 1000 Watt

Specs: subwoofer, floor-standing, 15 in x 13 in x 16.5 in, Black, Active, 100 Watt

Specs: subwoofer, 11.4 in x 13.7 in x 13.8 in, Silver, Active, 120 Watt