Speaker diameter: 30 mm. Maximum input power: 100 mW. Impedance: 32 ohms at 1 kHz. Frequency response: 100 – 15,000 Hz. Omnidirectional condenser microphone.

Microphone
:
- Impedance: Low
- Frequency Range: 20-16 kHz
- Sensitivity: -62 dB+/- 3 dB
- Length of cord: 1,8 m+/- 3 %

Headphone
:
- Impedance: 32 Ohms/l Khz
- Frequency Range: 20-20 kHz
- Sensitivity: 101 dB+/- 4 dB
- Length of cord: 1,8 m+/- 3 %