Gearblasters
- Find similar audio products within a price range.
- http://www.gearblasters.com/

Audio Asylum
- Searchable knowledge-base focusing on pro audio DIY, FAQs, and guides.
- http://www.audioasylum.com

Woodwind.org
- Information on woodwind instruments, mailing list, links to wooodwind articles.
- http://www.woodwind.org/

Audioholics
- Provides A/V hardware and software reviews, equipment buying guides, system set-up tips, and user forums.
- http://www.audioholics.com/

eCoustics Audio Reviews
- Editorial and Consumer reviews on both home and pro audio products.
- http://www.ecoustics.com/Home/Home_Audio/

Guitar Reviews
- Comprehensive reviews on electric and acoustic guitars written by industry professionals.
- http://www.proaudioreview.com/par/musician_reviews/index.shtml