K-MAINS 9V AC Adapter Replacement for Behringer FBQ800 MiniFBQ Mini FBQ MIX800 MiniMIX Mini MIX AMP800 MiniAMP Mini AMP 4-CH Headphone Amp Power Supply Cord Cable - Walmart.com
Amazon.com: AKG K 240 Studio Pro Semi-Open Stereo Headphones with Behringer MicroAMP HA-400 Headphone Amp Bundle : Musical Instruments
BEHRINGER MINI AMP800 (PS3015050) 689076750479 | eBay