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KOSS P9 3.5mm Connector Canal Ear Clip Headphone with Volume Control

  • 40Hz-20KHz
  • 3.5mm Connector
  • 4 feet Cord Length

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  • Specifications
  • Warranty & Returns
  • Reviews

Learn more about the Koss P9


Behind the Neck

General SPEC

Frequency Response
Input Impedance
32 ohms
102 dB SPL/1mW
Ear Coupling
Cord Length
4 feet


Sleek Side-firing Behind-the-head Model Delivers Great Sound

The P9 is ideal for listeners on the go looking for a great sound with street-smart style. Equipped with dynamic elements, the P9 delivers an extended frequency response from 40-20,000 Hz. The side-firing design turns the elements to direct sound straight into the ear canal, delivering improved bass performance to get the most out of pop, rock, and rap music. The side-firing design can also mean a better fit important for getting the best possible sound performance. In addition the vertical side firing design is the least isolating allowing some sound into your ear without compromising the sound quality. This innovation allows the listener to remain aware of important outside sounds while enjoying the Sound of Koss.

The P9 features a sleek, simple design. Weighing about one-half ounce and barely touching the ear, the P9 is so lightweight and comfortable you can scarcely feel it on even after hours of listening. Its behind-the-head design accommodates almost all head shapes and sizes, won't interfere with hair, helmets, or hats, and won't slip even during rigorous activity like running. Volume control** on the cord makes it easy to adjust sound levels, even when your player is tucked away in a pocket or bag. Perfect for use with portables, the P9 includes a straight single-entry four-foot cord. A 3.5mm (1/8") plug, L-shaped to minimize cord stress, is included.

The P9 is an excellent choice for listeners looking for great sound that moves in style.

Manufacturer Warranty

Lifetime limited
Lifetime limited
Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): Lifetime
  • Limited Warranty period (labor): Lifetime
  • Read full details

Customer Reviews of the Koss P9

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