Koss

This item is brand-new, factory sealed.Koss KSC21 SportClip Clip-On Headphones,Black Wide-range frequency response Soft foam ear cushions Open, hear-through sound Frequency response - 20hz-20khz...

This item is brand-new, factory sealed.Koss KE7 Earbuds Stereophone Combo Pack Designed to fit anyone's price range and travel plans Covered under the Koss Stereophones Limited Lifetime...

This item is brand-new, factory sealed.&bull Ultralightweight earbuds&bull Frequency response: 70 Hz to 20 kHz&bull Imp: 32 ohms&bull Sensitivity: 90 dB SPL&bull L-shaped plug provides flexibility...

This item is brand-new, factory sealed.Frequency Response : Stereophone: 30-16,000 Hz, Microphone: 100-16,000 HzImpedance: Stereophone: 32 ohms, Microphone: Same as load resistanceSensitivity:...

This item is brand-new, factory sealed.Ideal for gamers the CS100 features a dynamic element constructed of neodymium iron boron magnet structures the deliver high sensitivity and reduced distortion...

This item is brand-new, factory sealed.The KSC75 features dynamic elements for an exceptionally wide frequency response from 15-25,000 Hz. A 2 mil. titanium coating on its diaphragms increases the...

This item is brand-new, factory sealed.Koss ED1TC Stereophone Ideal for schools, libraries and training departments, this stereophone incorporates a plastic ear cushion that allows easy cleaning and...

This item is brand-new, factory sealed.MODEL- SB40 VENDOR- KOSS FEATURES- SB40 Multimedia Stereophone Ideal for gamers who enjoy deep bass, the SB40 features a dynamic ...

This item is brand-new, factory sealed.The Koss KTXPRO1 is a lightweight, adjustable headphone that provides portability with great titanium sound. The adjustable headband provides a comfortable,...