- Listen-only surveillance-style earphone for use with two-way radios
- Acoustic tube ear/microphone for two-way radio transceivers
- Talk and listen without holding the radio
- With coiled PU cable for retractable use
- High-quality transparent acoustic earphone made of durable material
- Provides discreet communication
- Available for transceivers of Icom, Standard, Yaesu, Motorola and other brands
- Microphone:
- Sensitivity: -36dB +/- 2dB
- Impedance: 2.2 kohms
- Speaker:
- Sound pressure level: 103dB +/- 3dB
- Impedance: 32 ohms +/- 15%
- Audio output: 30mW
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