Audio-Technica Debuts MCB4 Antenna Combiner For M3 Wireless IEM Systems

Audio-Technica has introduced the MCB4 IEM antenna combiner, which allows the signals of up to four A-T M3 wireless in-ear monitor stereo transmitters to be combined onto a single transmitting antenna, reducing rack clutter.

A wide-band unit that operates over a nominal 470-865 MHz range, the MCB4 is also suitable for many other in-ear wireless systems (with external BNC antenna connections).

The MCB4 provides one output and four isolated transmitter inputs. All RF connectors are BNC-type. Passive antennas may be used.

Four jacks on the rear panel (controlled by the unit’s power switch) provide 12V DC (center positive) to power as many as four transmitters operating on 12 volts at up to 500 mA each.

Included with the unit are four DC cables appropriate for use with A-T’s M3T stereo transmitter or like-powered transmitters from other manufacturers.

The 12-volt supplies for powering transmitters are short-circuit protected, and the unit features all-metal construction for extreme durability and protection from RF interference.

– Broadband UHF operation (470-865 MHz range).
– Combines the signals of up to four wireless in-ear monitor transmitters into one antenna.
– Centralized power supply with ability to power four individual transmitters.
– Maintains clean signals with low distortion.
– Includes hardware for front-mounted antenna for improved performance.
– Includes adapters to allow the unit to be mounted into a single rack space.

The MCB4 IEM antenna combiner will be available Spring 2010, with U.S. MSRP of $799.

Audio-Technica Website

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