A Portable headphone is a headphone that is used on-the-go. When used in your iPod or other portable player, you want to match superb sound with absolute comfort. That's when the Koss Spark Plug stereo earphone makes senseThe SparkPlug features a dynamic element that is positioned just outside the ear and connected to a tubular port structure that is inserted on a soft expandable cushion into the ear canal. The soft foam cushion expands for a custom fit to improve isolation and enhance deep bass and treble clarity. Now with improved slow memory ear cushion made of hydrophillic, formed urethane, you are guaranteed a custom fit every time. Ths SparkPlug also features a white cord to compliment many mp3 players. The fit enhances isolation when you want to plug out ambient sounds that interfere with the listening experience. The SparkPlug has a frequency response performance of 10Hz-20,000Hz and full Sound of Koss. Combined with your favorite music and a portable sound system, it is the ultimate accessory on the go. Built to last, The SparkPlug is covered under Koss' No-Questions-Asked Lifetime Warranty - the only warranty of its kind in the stereophone industry. Straight, dual entry 4 foot cord.
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
Speciality ear cushion material forms slowly in the ear canal to provide a custom fit and maximum isolation