If you are interested in buying second hand audio & light equipment, please visit the sites :

www.audiodeal.nl

and

www.lightdeal.nl

This second hand audio & light equipment belong to a group of
professionnal users and dealers of audio and/or light equipment.
Here are links to some of the major companies associated in these sites:

Ampco Belgium
Ampco Netherland
APR
Candela
Flashlight
Lightco
TMaudio