Features:
- Dynamic Noise Canceling Microphone
- Excellent voice characteristics
- Frequency response: 100 Hz - 8 kHz, output level @ 1 kHz
- Output Level @ 1kHz Open Circuit: -72dB (ret. 0dB=1V/Ohm Bar)
- Power Level: -55dB (ret 0dB=1Mw/10 Ohm Bar)
- Output impedance: 2000 Ohms (matches 600-5000 Ohm input)
- Black cycolac case
- 6 foot Coiled cord with dual end strain relief
- RK56B comes with standard 4-pin connector
- Metal mic hanger button
- Push-to-Talk button located on Right side of mic
- Twelve month limited manufacturer warranty