Koss Portable Stereophone with Protective Wind-up Carrying Case SL/5

Specifications:
Frequency Response: 20-20,000 hz
Impedence: 32ohms
Sensifivity: 96 dB /1mw
The headphones are new on original card.



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WE OFFER COMBINED SHIPPING TO SAVE YOU $$$ WHEN YOU ARE PURCHASING MORE THAN ONE ITEM.