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.

Features

Specs

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

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