Anti-Radiation Noise Cancelling In-Ear Air Duct Earpiece Earphone for Interphone Intercom
Convenient to hide, reducing noise and anti-radiation
Dimension: 9.7 x 6.7mm
Sensitivity: -36dB±2dB
Directivity: Unidirectional
Frequency: 20~16000Hz
Impedance: 2.2K ohm
Operation voltage: 1~10V
Dimension: 36mm
Nominal Impedance: 32 ohm ± 15%
Frequency Range: 420Hz~20kHz
Sensitivity: 90dB±3dB
Rated Powerl: 100mW   
Maximum Power: 200mW
Durable temperature: -20~90’C
Material: PU
Compatible Brand: Universal (KENWOOD, Abell, BFDX, LingTong, Quansheng, WEIERWEI, etc)

If you place orders online, it is free shipping worldwide. If you want to distribute this product or buy in quantities, please contact factory now: factory email

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