Quinta MU 33

BEYERDYNAMIC Article no: 725102



The Quinta MU 33 chairman microphone unit is equipped with a clear, function, and a microphone button in the housing with which the participant can switch his microphone on and off. Additionally the unit features two buttons to adjust the level on the headphone output. The Revoluto microphone array technology with integrated microphone capsules provides a so-called corridor characteristic which ensures a wide range of good voice quality.

The speaker can move freely, i.e. can stand up or sit down, can move his/her head and move towards or away from the microphone unit. The chairman microphone unit does not depend on the maximum number of simultaneous open microphones. Unlike the delegate microphone units the chairman microphone unit is not controlled by Automatic Channel Allocation, but has an extra transmitting channel exclusively for the chairman.

The ready-to-talk status of the microphone is indicated by the red LED strips on both sides of the housing. Using the clear button all switched-on microphones of the delegate microphone stations are switched off. With the function button there are various configurations possible via the Quinta Conference software: Priority ‚Normal When the chairman switches his microphone on with the priority button the switched on delegate microphone units are switched off.

The delegates can switch on their microphone again, when the chairman has switched off his. Priority Mute‚ When the chairman switches his microphone on with the priority button the switched on delegate microphone units are muted as long as the chairman is speaking. If the chairman switches his microphone off, all delegate microphone units that had been switched on before, are switched on again.

Priority Clear‚ When the chairman switches his microphone on with the function button and the priority programming ‚Normal the switched on delegate microphone units are switched off. Afterwards the delegates can switch on their microphone and take part into the discussion again, while the chairman's microphone is still switched on


Fully-digital audio and control.
Direct Sequence Spread Spectrum (DSSS) provides high immunity from interference and unauthorised listening, even when using other radio systems.
Wireless transmission with integrated True Diversity antenna technology for transmitting and receiving.
Three selectable frequency bands : 2.4 / 5.2 / 5.8 GHz.
Automatic or manual silent change to an interference-free frequency response acc. to EN 3000328 ETSI.
Automatic recognition of interferences in all frequency ranges.
Processor-controlled and automatic audio channel allocation of the microphone units.
Digital 128-bit encryption and additional 24-bit PIN code against unauthorised listening.
Revoluto Microphone Array Technology.
Corridor characteristic.
LED strips on both sides of the housing indicate that the microphone unit is in ready-to-talk mode.
Touch buttons with backlit illumination in 3 colours and braille.
Microphone button to switch the microphone on / off.
Clear button to switch off all activated delegate stations.
Programmable function button for different priorities or external controls.
2 buttons to adjust the level on the headphone output.
Voice-controlled activation of the microphone possible.
High-quality aluminium housing with a non-glare matt black coating of Alexit soft-touch paint (on the rear) and touch buttons (on the front).
Integrated two-way speakers.
The loudspeaker is turned off when the microphone is activated.
Adjustable mini stereo jack output (3.5 mm) as documentation or headphones.
Parameters can be programmed via the control unit and the appropriate configuration software.
Automatic Power OFF when the control unit is in the stand-by mode or switched off.
Power on LED.


Frequency range . . . . . . . . . . . . . 2400 - 2483.5 MHz 5150 - 5250 MHz 5725 - 5875 MHz Modulation . . . . . . . . . . . . . . . . . . . . . . DSSS (Direct Sequence Spread Spectrum) and QPSK/BPSK (Quadrature/ Binary Phase Shift Keying) digital signal processing acc. to own standard
Max. number of audio streams . . . . . . . 4 useable channels per system
Signal-to-noise ratio . . . . . . . . . . . . . . . 80 dB typ., (unweighted signal-to-noise ratio) Range between microphone units and control unit. . . . . . . . . . . . . . . . . . . > 100 m Power supply . . . . . . . . . . . . . . . . . . . . . . 110 - 240 V AC 50/60 Hz
Approval . . . . . . . . . . . . . . . . . . . . . . . . world-wide

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