MDF (Medium-density fiberboard) Subwoofers

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: Cambridge's radical design in its Newton Series P300HD Powered Subwoofer delivers extraordinary performance.

Specs: subwoofer, 8.5 in x 17.5 in x 27.2 in, Active

The Bottom Line: 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

The Bottom Line: 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, Black, Active, 50 Watt

The Bottom Line: Klipsch's midline subwoofer delivers room-shaking bass.

Specs: subwoofer, 12.5 in x 19 in x 17.6 in, Black ash, Active, 280 Watt

The Bottom Line: This baby sub generates grown-up bass.

Specs: subwoofer, 10 in x 17.9 in x 16 in, Black ash, Active, 100 Watt

Specs: subwoofer, 13.4 in x 15.2 in x 13.4 in, Black, Active, 50 Watt

Specs: subwoofer, 15.1 in x 18.2 in x 16.1 in, Black, Active, 100 Watt

Specs: subwoofer, 14.3 in x 17 in x 14.5 in, Active, 100 Watt

Specs: subwoofer, 15 in x 15 in x 15 in, Active, 20 KOhm, 86 dB