Subwoofer-Enclosure.com

X-Stream Audio
Powered subwoofers based on pressure relief guide (PRG) technology.
www.x-streamaudio.com/

Velodyne
US manufacturers of a wide range of subwoofers for audio and home theater applications.
www.velodyne.com/

SV Subwoofers
Subwoofer manufacturer offering high output bass loudspeaker, via factory direct.
www.svsubwoofers.com/

REL Acoustics
Designs and manufactures sub-bass systems for use in two-channel and multi-channel music and multi-channel home theater systems.
rel.net/

Hsu Research
US-built subwoofer technologies, innovative cylindrical designs.
www.hsuresearch.com/

Cowan Audio
Australia manufacturers of subwoofer, amplifiers to drive large subwoofer and active crossovers.
www.cowanaudio.com/

Big Subwoofer
Gives his top 10 movies and music, polls, jokes, and gossip.
www.freewebs.com/

The Subwoofer DIY Page v1.1
Extensive information on designing and building subwoofers; links.
www.diysubwoofers.org/

Using an SV PCi Subwoofer for music
One audiophile's experience buying and setting up an SVS subwoofer with photos and descriptions.
mysite.wanadoo-members.co.uk/

The East Enclosure
An unofficial site with club news, message boards, and match reports.
ayeready.com/