Saturday Audio Exchange
Used audio gear.

Audible Difference
Demo and pre-owned audio equipment.

Ahead Stereo
New and used stereos, audio, video and electronic equipment.

Recycled Audio
Used audio gear.

Audition Audio
Home theater used and demo equipment.

The Sound Well
This Berkeley, California store Specializes in reconditioned hi-fi equipment.

Goodwin's High End
Used, demo, and closeout equipment from New England's largest all-high-end audio and home theater retailer.

Vintage Hi-Fi
Used classic hi-fi equipment and parts.

Audio Exchange
Used audio and video equipment.

Gabriel Sound
Used audio equipment sales including vintage, collectable, used and demo units.

Signature Sound
A variety of equipment including amps, cables, turntables and stands. Also provides information about its new equipment sales through its Liverpool, New York store.

Galen Carol Audio
Used and demo audio equipment.

HiFi Audio Sound Parts Materials
Selling parts stock, service manuals, unclaimed equipment, cadavers.

UsedCable.net
Discounted new and used audio and video cables from MIT Cables.

Audiojumble
The annual UK event dedicated solely to the buying and selling of second-hand and vintage hi-fi.

RecorderWorld.com
Clearance and returned electronics from portable MP3 players and watches to GPS software.

classicaudio.com
High fidelity art from the 1970's, Service and Parts.