Is a device with a high output level (such as a wireless microphone) connected?

If there is an output level selector switch or gain adjustment on the wireless microphone or similar device, reduce the level of the signal to be input to this unit's microphone jack.

For details, see the Operating Instructions of the connected device.

The standard input level/input impedance of this unit's microphone jack is -57 dBu/3.0 kΩ.