Behringer XENYX 502 Premium 5-Input 2-Bus Mixer with XENYX Mic Preamp and British EQ : Musical Instruments - Amazon.com
Behringer XENYX 502 5-Channel Audio Mixer and Platinum Bundle w/ Stereo Headphones, Home Recording for Musicians for Dummies, 5X Cables, and Fibertique Cloth" - Walmart.com
BEHRINGER XENYX 502 rev A Schematics – Electronic Service Manuals