Koss Pro4AA
Data[edit]
General
- Manufacturer: Koss
- Model: Pro4AA
- Years of manufacture: 1970 - 1986, 1988 to date
- Weight:
- Made in: USA
- Original price (UVP): approx. 100 US-$ (80 €)
Technical Data
- Principle: Dynamic, closed
- Coupling to the ear: Ear wrapping
- Rated power handling:
- Thrust force:
- Frequency response: 10 - 25,000 Hz
- Distortion factor: < 0,1%
- Impedance: 250 Ohm
- Sound pressure: 95 dB
- Plug: jack 6.3/3.5 mm
- Cable: 3 m spiral cable
Special Features
- list here
Remarks[edit]
Other models of the same series: