Superlux HMD-685a Professional Intercom Headsets

The Superlux HMD - 685a professional intercom headsets are a game - changer for broadcast applications. Its single - ear design with a circumaural ear cup is not only comfortable but also provides excellent noise isolation, ensuring crystal - clear audio even in noisy environments. You can fully focus on your work without distractions. Equipped with a flexible anti - vibration gooseneck boom microphone, these headsets offer outstanding voice pickup while reducing background noise. The dynamic, noise - compensating microphone capsule further sharpens your voice transmission, making your communication precise and clear. These headsets are designed for professional use and are fully compatible with the Superlux IS - 103 Intercom Set (sold separately). This seamless integration allows for easy setup and operation within your existing broadcast system, enabling you to produce high - quality content with ease. Technical Specifications: 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

Using the Superlux HMD - 685a intercom headsets is easy. First, make sure to connect them properly to your broadcast equipment or the Superlux IS - 103 Intercom Set if you have it. Adjust the single - ear design to fit your ear comfortably and position the gooseneck boom microphone close to your mouth. When using, try to keep the headsets away from extreme temperatures and moisture as this can damage the internal components. Avoid pulling or tugging on the cable too hard to prevent it from breaking. For maintenance, clean the ear cup and microphone regularly with a soft, dry cloth. If there are stubborn stains, you can use a slightly damp cloth, but make sure it's not too wet. Store the headsets in a cool, dry place when not in use to prolong their lifespan.