| 5dot1.com | | 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. |
| Andromeda | | A privately owned picture and electronic music studio. A composition workshop for contemporary music. |
| Audio Ideas Guide | | Hi-fi and Home Theater e-zines. Reviews, news, articles, tweaks, and other audiophile resources. |
| Audio Review | | Offers consumer-generated product reviews, ratings, prices for brands and models. |
| AudioKarma | | 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. |
| AudioNova | | Audio resource for manufacturers, forums, magazines and journals. |
| AudioWorld | | Audio industry, news, reviews, ratings, references, company directory, and cross reference. |
| HeadRoom | | Offers reviews and evaluations of headphone equipment. Includes a buyers guide. |
| High End Audio | | Discussion forum on audio, amplifiers and home theater. |
| NASG naim audio | | Short guide to naim audio including overview, history and gallery. |
| Remote Central | | Information on mid- to high-end universal remote controls: product reviews; message forums. |
| Retro hi-fi | | A vintage high-fidelity portal for discussing and displaying classic and vintage amplifiers, tuners, turntables such as Thorens, Quad, and pick-up arms. Also, provides a classified listings. |
| Sonic State | | The music and pro-audio theme park. Features classifieds, synth site, directory, and chat. |
| The Audioholics | | Includes information, reviews and technical guides for equipment and accessories. |
| Tuner Information Center | | Focused on vintage stereo tuners. Site includes reviews of many different tuners, provides explanations of how tuners work, explains about tube tuners, and notes alleged fraudulent online auctions. |
| Useful Audio Potpourri, A | | Focuses on indoor FM antenna design and a Hafler circuit for surround sound. Also, includes a directory of related links. |
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