Koss Ktxpro1 Portable Stereophone - Stereo - Mini-phone - Wired - 60 Ohm - 15 Hz 25 Khz - Over-the-

koss Ktxpro1 Headphones Provide Lightweight Adjustable Portability With Great Titanium Sound. The Adjustable Headband On These Active Headphones Guarantees A Comfortable Secure Fit As You Listen At Home At Work Or Anywhere In Between.the Koss Ktxpro1s In-line Volume Control And Open Foam Ear Cushions Deliver Hear-through High Fidelity Sound The Truest Convenience In Portable Music.