HMC660/HMD660 is a professional headset microphone. It is suitable for live broadcasting, DJ, personal video conferencing, online games, multimedia applications, etc.
The HMC660/HMD660 series earphone microphones are designed for high‑quality audio capture in DJ, broadcasting, and live‑performance settings. They feature a compact housing (≈20 mm × 15 mm) and directional characteristics optimized for clear sound reproduction.
The manual includes technical data such as frequency response, sensitivity, maximum SPL, power handling, and connector options, as well as recommended handling precautions and a list of supplied accessories like XLR and 3.5 mm/6.3 mm connectors. This manual is written in Chinese.
| Frequency Response | 20 Hz – 20 kHz |
|---|---|
| Sensitivity | -40 dBV/Pa (10 mV/Pa) |
| Maximum SPL | 136 dB SPL (THD+N ≤ 1 % @ 1 kHz) |
| Dimensions (housing) | 20 mm × 15 mm (0.79" × 0.59") |
The microphone covers a frequency range from 20 Hz to 20 kHz.
Avoid strong impacts, do not bend or twist the microphone, and refrain from using it at excessively high volumes to prevent damage.