Promotes the use of surround sound and multi-channel audio systems. Sites includes information on how to listen to and record for 5.1 surround sound, articles of Dolby Digital, DTS and using AC-3 on CD-R discs.

Hi-fi and Home Theater e-zines. Reviews, news, articles, tweaks, and other audiophile resources.

Offers consumer-generated product reviews, ratings, prices for brands and models.

Offers educational resources for the International sound recording community.

Focused to stereo high-fidelity, including tube audio, home theater, and especially vintage 1970s gear, even vintage TV receivers. Site offers discussion forums, help, and general information for the audio enthusiast.

Audio resource for manufacturers, forums, magazines and journals.

Audio industry, news, reviews, ratings, references, company directory, and cross reference.

Offers reviews and evaluations of headphone equipment. Includes a buyers guide.

Database of home theater information, set-up hints and buyers guides.

Home theater and audio community with product reviews.