Koss 155524 UR40 Collapsible Over-Ear Headphones
- Frequency Response - 10-20,000 Hz and Impedance - 60 ohms.
- Wide, 15 to 22,000 Hz frequency response.
- Titanium-coated, high-polymer diaphragms deliver accurate sound.
- Neodymium iron boron rare-earth-magnet structures for accurate sound reproduction.
- Oxygen-free-copper voice coils for high signal clarity.
- Closed leatherette ear cushions for maximum isolation and deep bass.