Superlux HMD685A

Superlux HMD685A, Single-Ear Intercom Headset, For IS103 Intercom System, Closed, Dynamic, Noise isolation, Microphone mute function by flipping up the microphone, Colour: Black@+*Technical data of the handset:*, Frequency response: 20 Hz – 20,000 Hz, Impedance: 400 Ohm, Sensitivity: 96 dB SPL (1 kHz /1 Vrms), 100 mW input power@+*Technical data of the microphone:*, Dynamic, Polar pattern: Cardioid, Frequency response: 50 Hz – 15,000 Hz, Impedance: 200 Ohm, Sensitivity: -64 dBV/Pa (0.6 mV/Pa) @ 1 kHz, 1.5 m long connection cable with 4-pin female XLR plug ...