Koss SB45 USB Communication Headset
- Frequency response: 18 Hz - 20 kHz
- Impedance: 100 ohm
- Sensitivity: 103 dB SPL
- Communication headset
- Noise-reduction clear voice technology (CVT)
- Premium sound at all volume levels
- Anisotropic ferrite magnet structures deliver high sensitivity and reduced sound distortion
- Experience absolute comfort with soft, leatherette ear cushions
- Collapsible for compact storage
- Warranty: limited lifetime