BigScreenBiz.Com  
   Entertainment industry equipment and related services auctions, classifieds, and forums.
   http://www.bigscreenbiz.com

Bob Kelly and Company  
   Buying and selling loudspeaker systems and mixing consoles worldwide.
   http://www.bobkelly.co.uk/

Soundbroker.com  
   Links buyers and sellers of professional audio equipment. Specialists in liquidating manufacturers' discontinued inventory and pre-owned inventory from pro-sound companies and recording studios.
   http://www.soundbroker.com

Ocean Audio Inc.  
   Buyer and seller of used audio and stereo equipment, film equipment, outboard gear, microphones, tape recorders, and consoles.
   http://www.oceanaudioinc.com

Used Cinema Dealer  
   Classifieds for used theater and cinema equipment, projectors, and sound.
   http://www.usedcinemadealer.com/

Light and Sound Trader  
   Classifieds ads for the buying and selling of used DJ, band, stage, club lighting and pro sound equipment.
   http://www.lightandsoundtrader.com/

Sounds And Visions  
   Consignment resale of pro audio and audiovisual equipment to an international market. Services include pickup, storage, advertisement, packing, and shipping and delivery. Based in Brooklyn, NY.
   http://www.SoundsAndVisions.com/