AKG Pro Audio K240 Studio Over-Ear Semi-Open Professional Headphones (2058X00130) | BuyDig.com
K240 studio | DIY-Audio-Heaven
AKG K-240 (Orlando, FL_Lee Road) | Reverb
Amazon.com: AKG Acoustics K240 Studio Over-Ear Semi-Open Pro Headphones, 15-25000 Hz Frequency Bandwidth, 55 Ohms Impedance, Screw-on Jack Combo - with H&A Clamp On Headphone Holder for Mic Stand : Musical Instruments