BEYERDYNAMIC MCW-D 533 MCWD533_DB_E.pdf

beyerdynamic GmbH & Co. KG
Theresienstr. 8 | 74072 Heilbronn – Germany
Tel. [phone] / 617 - 0 | Fax [phone] / 617 - 224
[e-mail] | www.beyerdynamic.de

For further distributors worldwide, please go to www.beyerdynamic.com
Non-contractual illustrations. Contents subject to change without notice. E1 / MCW-D 533 (01.09)

MCW-D 533

Chairman Microphone Unit

Order # 486.434

FEATURES

• Fully-digital audio and control

• Revoluto Microphone Array Technology

• Corridor characteristic

• Direct Sequence Spread Spectrum (DSSS) provides high
immunity from interference and unauthorised listening

• Wireless transmission with integrated transmitting/
receiving antenna (antenna diversity) in the 2.4 GHz frequency
band which is approved world-wide

• Digitally encoded audio signals prevent unauthorised
listening (128 bit encryption)

• Integrated two-way speakers

• 3 buttons: priority, microphone, clear

• Microphone button to switch the microphone on / off

• Clear button to switch off all activated delegate units

• Programmable function button for different priorities or
external controls

• LED next to the microphone button and LED strips on both
sides of the housing indicate that the microphone unit is in
ready-to-talk mode

• Charging contacts

• Power on LED on the rear

• Mini stereo jack (3.5 mm) as documentation output for the
connection of recorders, PCs with the steno-s recording
software etc.

• High-quality aluminium housing with non-glare, and
scratch-resistant Nextel

®

finish (on the rear) and touch buttons

(on the front)

• The following parameters can be programmed:
loudspeaker level, auto-off behaviour, voice-controlled activation

• The loudspeaker is turned off when the microphone is activated

• Auto-Off function when nobody speaks into the microphone

• Microphone unit can be programmed by using the configuration
software with the control unit

• APO function for Automatic Power OFF when the control unit
is in the stand-by mode or switched off

• Processor-controlled charging electronics to prevent the
“memory effect” of the battery

• Reliable charging electronics ensure immediate use of the
microphone units

• Maximum charging time of 3.5 hours when the battery (NiMH)
is completely empty

• Operating time approx. 30 hours

1 of 4

MCW-D 533

DESCRIPTION

The MCW-D 533 chairman microphone unit provides a clear,
priority and a microphone button in the housing with which the
participant can switch the microphone on or off.
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 ACA (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 in the housing
and 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 priority button there are various configurations
available:

Priority “Normal”

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.

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
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.

COM Message

A command is sent via the RS 232 serial interface from the
MCW-D 50 control unit and a programmed function is carried out
via a media control system for instance (e.g. light control). For the
other functions there is also a command sent via the RS 232 serial
interface from the MCW-D 50 control unit.

Custom

Two different commands according to the duration of the
push:
< 1 second = command “Short press string” is transmitted
> 1 second = command “Long press string” is transmitted
These commands can be set individually with the “MCW-D 50
Conference” software.

Audio Mute

An audio signal, e.g. from a wireless microphone, can be switched
off. This function can be combined with a “Clear” command to
switch off activated delegate microphones.

Depending on the configuration with the “MCW-D 50
Conference” software the following operating modes are available:

Voice activation: the microphone is switched on, when someone
speaks into it.
Push-To-Talk: the microphone button must be held down, while
the participant is speaking.

The integrated loudspeaker reproduces the audio signal of the
whole conference system. Depending on the audio signal routing in
the control unit the loudspeaker can reproduce other audio signals
such as a wireless microphone in the auditorium.

The parameters of the microphone unit are adjusted via
PC by using the “MCW-D 50 Conference” software. The
parameters are set for all microphone units.

The volume of the loudspeaker is adjusted and can be
controlled with the MCW-D 50 control unit or a media control
system.
Each microphone unit has its own address. An existing system can
be complemented at any time.

The DSSS-transmission provides high immunity against
unauthorised listening. In addition to this, a conference system
including the appropriate microphone units can be protected with
a code. A microphone unit that does not have the correct code will
be identified by the control unit and switched off immediately.

The integrated rechargeable battery allows an operation of the
microphone unit for up to 30 hours depending on the amount of
participation in the discussion. As soon as the remaining battery
time is below a selectable threshold of 1 hour, the power on LED on
the rear of the microphone unit will flash or if the system is
controlled by PC or a media control system, the low battery capacity
can also be displayed. The charging time of a completely empty
battery is max. 3.5 hours with the integrated processor-controlled
charging electronics. Depending on the use of the microphone unit
the charging time can be less.
As an option the microphone unit can be powered and charged by
a DC power supply adapter.

The microphone unit is switched on by briefly pressing the
microphone button once. There are various ways to switch off the
microphone unit:

1. Press the microphone button for 3 seconds.

2. Press the standby button of the MCW-D 50 control unit for
3 seconds to switch off all activated microphone units.

3. Switch off all microphone units via an RS 232 or TCP/IP
command from the PC or media control system.

4. Switch off the control unit; after approx. 3 minutes the
microphone unit will be switched off.

beyerdynamic GmbH & Co. KG
Theresienstr. 8 | 74072 Heilbronn – Germany
Tel. [phone] / 617 - 0 | Fax [phone] / 617 - 224
[e-mail] | www.beyerdynamic.de

For further distributors worldwide, please go to www.beyerdynamic.com
Non-contractual illustrations. Contents subject to change without notice. E1 / MCW-D 533 (01.09)

2 of 4

MCW-D 533

TECHNICAL SPECIFICATIONS

General

Frequency range . . . . . . . . . . . . . . . . . . 2400 – 2483.5 MHz

(ISM-band)

Modulation . . . . . . . . . . . . . . . . . . . . . . Direct Sequence Spread

Spectrum DSSS, digital
signal processing
acc. to own standard

Max. number of audio streams . . . . . . . 9 usable channels

per system
(Standard: 3)

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

Microphone Units

Microphone. . . . . . . . . . . . . . . . . . . . . . Microphone Array

Pick up pattern . . . . . . . . . . . . . . . . . . . Corridor

Power consumption. . . . . . . . . . . . . . . . 67 mA (mic on)

T.H.D. . . . . . . . . . . . . . . . . . . . . . . . . . . < 0.1%

Transmitter power . . . . . . . . . . . . . . . . . max. 15 dBm per

channel (average,

duty cycle ≤ 30%)*

Battery voltage . . . . . . . . . . . . . . . . . . . 8 NiMH cells, 2.5 Ah

Charging time

with CD 13 . . . . . . . . . . . . . . . . . . . . . . max. 3.5 hours when the

battery is completely

empty

with CA 2457 . . . . . . . . . . . . . . . . . . . . max. 7 hours when the

battery is completely

empty

Loudspeaker . . . . . . . . . . . . . . . . . . . . . Integrated, two-way

loudspeaker
Loudspeaker switch off at “Mic On” . . . yes

AF output . . . . . . . . . . . . . . . . . . . . . . . . . Documentation output,

not separately adjustable,

unbalanced jack socket

(3.5 mm, stereo)

Connection . . . . . . . . . . . . . . . . . . . . . . Tip = AF+, Ring = AF-,

Shield = ground

Output level . . . . . . . . . . . . . . . . . . . . . max. 2.4 V rms on open

circuit, T.H.D. < 1%,

2.3 V rms at 80 Ω load,

T.H.D. < 1%

Min. impedance . . . . . . . . . . . . . . . . . . 600 Ω

Integrated limiter against clipping . . . . . cannot be switched off

Limiter activity at . . . . . . . . . . . . . . . . . . 126 dB SPL

Power supply. . . . . . . . . . . . . . . . . . . . . 9.6 V with integrated

NiMH battery (8 cells)
Operating time depending on the type

of the microphone unit . . . . . . . . . . . . . approx. 30 hours in

discussion mode;

operating time depends

on the volume
Temperature range

(at < 90% humidity) . . . . . . . . . . . . . . . +10 °C – +40 °C

Storage temperature

(at < 90% humidity) . . . . . . . . . . . . . . . -20 °C – +55 °C

Minimum impedance. . . . . . . . . . . . . . . 8 Ω

Dimensions (L x H x D). . . . . . . . . . . . . . 300 x 82 x 96 mm

Weight . . . . . . . . . . . . . . . . . . . . . . . . . approx. 1100 g

ARCHITECT’S SPECIFICATIONS

Digital wireless chairman microphone unit with Revoluto
Microphone Array technology. Three buttons to switch the micro­phone on/off, clear all activated delegate microphone units and one
special button that can be programmed e.g. as priority button or for
special functions in conjunction with a serial interface / Ethernet
interface at the control unit. Specific DSSS modulation (Direct
Sequence Spread Spectrum) ensures a high safety against noise and
unauthorised listening. World-wide approved in the 2.4 GHz
frequency band. Integrated loudspeaker with voice equalisation for
decentralised sound equalisation. 17 microphone capsules in a line
array set-up with corridor characteristic, red LED strips at both
sides of the housing indicate the ready-to-talk status. Using the
configuration software with a PC, it is possible to adjust and

configure the volume of the loudspeaker and threshold for voice
activation and auto-off-switching. Integrated rechargeable NiMH
battery ensures an operating time of up to 30 hours. Processor­controlled charging technology for a charging time of max. 3.5 hours
without memory effect. The battery is monitored by the control unit
and an LED indicates when the capacity is too low.
2 charging contacts. Mini jack socket (3.5 mm) as documentation
output. Design aluminium housing. Rear with charcoal-grey,
non-glare and scratch-resistant Nextel

®

finish. Front with touch

buttons. Dimensions (LxHxD) 300x82x96mm. Weight approx. 1100 g.

Manufacturer: beyerdynamic
Type: MCW-D 533

*The transmitter power can differ from this value due to specific regulations in various countries.

beyerdynamic GmbH & Co. KG
Theresienstr. 8 | 74072 Heilbronn – Germany
Tel. [phone] / 617 - 0 | Fax [phone] / 617 - 224
[e-mail] | www.beyerdynamic.de

For further distributors worldwide, please go to www.beyerdynamic.com
Non-contractual illustrations. Contents subject to change without notice. E1 / MCW-D 533 (01.09)

3 of 4

MCW-D 533

DIMENSIONS

Front View

Lateral view, rightLateral View, left

82

300

96

beyerdynamic GmbH & Co. KG
Theresienstr. 8 | 74072 Heilbronn – Germany
Tel. [phone] / 617 - 0 | Fax [phone] / 617 - 224
[e-mail] | www.beyerdynamic.de

For further distributors worldwide, please go to www.beyerdynamic.com
Non-contractual illustrations. Contents subject to change without notice. E1 / MCW-D 533 (01.09)

4 of 4