Used for noisy environments, such as department stores, lecture halls and bus airport terminals

Permissible distance from the ND-0011 (detector noise) to NC-1111 (volume control) – 500 m

Automatically adjusts the input level of the amplifier on the level of ambient noise

Symmetrical electronic audio channel

Built-in filter for noise detection

Ability to connect a condenser or dynamic microphone

LED ambient noise levels

Power supply from RIP 24