Kohlt Microphone KM-7 
- Dynamic Microphone 
- Polar Pattern: Unidirectional 
- Frequency: 80Hz - 12kHz 
- Sensitivity: - 53dB 
- Impedance: 600 OHms 

Headphone Kohlt KH-7 
- Frequency range: 20Hz - 20kHz 
- Sensitivity: 110dB 
- Impedance: 320 Ohms 
- Maximum power: 100mW 
- Cable mini plug 3.5mm 
- Cable length: 2.5m