Products

HMD-685a

HMD-685a The HMD-685a are professional intercom headsets with flexible anti-vibration gooseneck boom microphones.  These headsets satisfy the requirements of demanding broadcast applications for studio or production.  

The HMD-685a is compatible with the Superlux IS-103 Intercom Set. 

The HMD-685a are professional intercom headsets with flexible anti-vibration gooseneck boom microphones, featuring dynamic, noise-compensating capsules and a circumaural ear cup.

HMD-685a Headphones

Transducer Principle:  Dynamic, Closed
Ear Coupling:  Circumaural
Frequency Response:  20-20,000Hz
Impedance:  400Ω
Sensitivity:  90dB SPL at 1 kHz, 1mW
Max Input Power:  100mW
Caliper Pressure:  Approx. 4.5N
Cable:  Fixed, 9' 8" (3m)

Microphone

Transducer Principle:  Dynamic, Noise compensating
Frequency Response:  50 - 15,000Hz
Polar Pattern:  Cardioid
Output Voltage:  -64 dBV/Pa (0.6 mV/Pa) at 1kHz
Impedance:  200Ω