- Frequency Response - 4 Hz to 40000 Hz and Impedance - 16 ohms
- High fidelity stereophone utilizes an anisotropic magnet and 1.4 mil mylar element for deep bass and treble clarity
- Frequency Response: 18-20,000 Hz
- Collapsible design for protective storage and maximum portability when listening on the go
Koss COLLAPSABLE FULL SIZE STEREOPHONE