Sparkplug Stereophones by KOSS Earbud headphones with powerful bass   Features Frequency Response: 10-20,000 Hz Dynamic element for extended frequency response Unique earbud design directs sound into the ear canal for deep bass and extended frequency performance Improved slow memory ear cushions deliver better fit and isolation Includes replacement ear cushions Reliable L plug for improved reliability and durability Straight, dual entry 4 foot cord Stereophone Specifications Frequency Response: 10-20,000 Hz Impedance: 16 ohms Weight: 0.25 oz. Sensitivity: 112 dBSPL/1mW Distortion: <0.3% Cord: Straight, Dual Entry, 4ft Plug: 3.5 mm Earbud headphones with powerful bass

Features Frequency Response: 10-20,000 Hz Dynamic element for extended frequency response Unique earbud design directs sound into the ear canal for deep bass and extended frequency performance Improved slow memory ear cushions deliver better fit and isolation Includes replacement ear cushions Reliable L plug for improved reliability and durability Straight, dual entry 4 foot cord Stereophone Specifications Frequency Response: 10-20,000 Hz Impedance: 16 ohms Weight: 0.25 oz. Sensitivity: 112 dBSPL/1mW Distortion: <0.3% Cord: Straight, Dual Entry, 4ft Plug: 3.5 mm