FONESTAR FMC-640, Инструкция по эксплуатации

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SPECIFICATIONS
FMC-640 FMC-641 FMC-643
Headset Mono headset
RESPONSE 100-5000 Hz 300-4000 Hz
SENSITIVITY 105 dB at 1 kHz ±3 dB 101 dB at 1 kHz ±3 dB 105 dB at 1 kHz ±3 dB
IMPEDANCE 150 Ω
POWER 30 mW maximum
SPEAKER 27 mm Mylar 40 mm Mylar 28 mm Mylar
PAD Synthetic leather Foam
ACCESSORIES - - Synthetic leather pad
Microphone
CAPSULE Omnidirectional electret
condenser Noise cancelling electret condenser
RESPONSE 40-16 000 Hz
SENSITIVITY -44 dB (V/Pa) -38 dB (V/Pa)
IMPEDANCE 1000 Ω 2200 Ω
MIC. SUPPORT Transparent extendable
tube, turns in all
directions Flexible tube with 270° rotation
CONNECTOR 4-contact modular
CABLE 1.5 m extendable up to 3 m approx., with quick disconnection and clip
WEIGHT 0.1 kg
ACCESSORIES Multiconfiguration module for using with different telephone systems, mute function
and choice between microphone-headset or telephone
- Windshield