Expansion microphone

AVer 60U0100000AC Expansion Microphone is a two-microphone add-on for expanding audio pickup in a compatible AVer conferencing setup. It is intended for use with VC540 and VC520 Pro systems.

The set includes two microphones and two 5 m cables. Connect them in a daisy chain to add microphones to the setup; up to four microphones can be linked. The manufacturer specifies a pickup support range with a 6 m diameter.

For captured speech, the stated frequency response is 120 Hz–16 kHz, with sensitivity of -38 ± 1 dBV at 1 kHz, 94 dB SPL. These specifications describe the microphone response and sensitivity for conferencing use.