Koss Pro/4AA specifications
Category : headphones
Brand : Koss
General
Tech nical data
Special equipment
Other models of the same series:
- Manufacturer: Koss
- Model: Pro/4AA
- Years of construction: 1970 - 1986, 1988 to present
- >Weight:
- Made in: USA
- Factory price (RRP): approx. US$ 100 (€80)
- Principle: Dynamic, closed
- Coupling to the ear: Circumaural
- Rated load capacity:
- Pressing force:
- Frequency response: 10 - 25,000 Hz
- Total harmonic distortion: < 0.1%
- Impedance: 250 ohm
- Sound pressure: 95 dB
- Plug: jack 6.3/3.5mm
- Cable: 3 m spiral cable
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