DANTE® | AES67 INTEGRATED MICROPHONE SYSTEM
M55WD
HANGING CEILING MICROPHONE
OVERVIEW
The M55WD is an innovative, hanging ceiling microphone system designed for
applications where aesthetics, sound quality, and ease of installation are critical. All
electronics are fully integrated with high sensitivity and low noise. The signal output
is balanced to eliminate RF interference caused by cell phones and mobile devices.
Installing the M55WD requires just one 5/8-inch hole in the ceiling, with no
additional tools needed. The M55WD’s mounting hardware easily adjusts the
hanging height up to four feet from the ceiling surface without removing ceiling
tiles and allows for fingertip height adjustment and rotation control. An optional
aiming clip (MCHANGER) easily makes any additional angular adjustments.
DANTE MADE SIMPLE – BY AUDIX
The M55WD is designed exclusively for the Audix Dante | AES67 Integrated
Microphone System, which delivers high-quality audio and all microphone
functions — including on-o contact closure and LED status indicators —
through a single CAT5 - CAT7 cable with RJ45 connections at both interface
and microphone. This simple configuration eliminates wiring errors, accelerates
installation, and reduces cost. And like all Audix microphones in the system, the
gain structure is optimized for its intended use, providing quality audio at the DSP.
The result is true plug-and-play installation.
SINGLE CABLE CONNECTIVITY
FEATURES
• High output allows distance miking
• Optimized for voice recognition
• Low-noise preamp circuitry
• Immunity from RF interference
• Two-color LED status indicator
• RJ45 connectors for plug-and-play
integration with the Audix Dante | AES67
Integrated Microphone System
• No external power adaptor required
• Designed, assembled, and tested
by Audix in the USA
• 3-year warranty
M55WD Spec Sheet
APPLICATIONS
• Video teleconferencing (VTC)
• Distance learning
• Boardrooms
• Surveillance
• Hospital and medical procedures
• Ambient room miking
SUPPLIED ACCESSORIES
• 1.56 mm / 0.063 inch seismic and fire cable restraint
OPTIONAL ACCESSORIES
• MCHANGER - Clear plastic clip to adjust microphone angle
• WS20W - White foam windscreen to reduce wind noise
ARCHITECT & ENGINEER SPECIFICATION
The microphone shall be of the condenser type with a modular threaded capsule
available in cardioid, hypercardioid, omnidirectional and supercardioid polar patterns. The
microphone shall be protected from RF interference. The microphone shall have a fully
integrated preamp circuitry thereby eliminating the need for a remote preamplifier module.
The microphone shall operate on 18 - 52 Volts DC and the nominal output impedance shall
be equal to 150 Ohms at 1 kHz. The microphone shall have a sensitivity of 38 mV (C), 32
mV (HC), 40 mV (O), 60 mV (S) / Pa at 1 kHz. The microphone shall have a maximum SPL
level of ≥ 130 dB with THD of 0.5%. The microphone shall be housed within a module which
will conceal and protect wiring from the microphone and the terminal connectors. The
Microphone shall have a two-color LED status indicator. The microphone shall terminate
in an RJ45 connector. The microphone shall be machined out of brass and the dimensions
shall be 12 mm in diameter. The microphone shall be the Audix M55WD.
SPECIFICATIONS
Transducer Type Condenser
Frequency Response 60 Hz - 10 kHz
Polar Pattern Cardioid
Output Impedance 150 ohms
Sensitivity 38 mV (C) / Pa @ 1k
Equivalent Noise Level 22 dB (A-weighted)
Signal to Noise Ratio 72 dB
Equivalent Noise Level 22 dB
Maximum SPL ≥130 dB
Dynamic Range 108 dB
Power Requirements 18 - 52V phantom
Connector RJ45
Recommended Cable CAT5, CAT5e, CAT6,
CAT6a, or CAT7
Materials / Finish Aluminum and zinc alloy /
white finish
Weight 70 g / 2.4 oz (Mic & Cable)
499 g / 17.6 oz (Junction
Box & Safety Cable)
FREQUENCY RESPONSE
POLAR PATTERN
CARDIOID
© 2019 AUDIX CORPORATION. AUDIX IS A REGISTERED TRADEMARK OF THE AUDIX CORPORATION.
DANTE IS A REGISTERED TRADEMARK OF AUDINATE, INC. SPECIFICATIONS SUBJECT TO CHANGE
WITHOUT NOTICE. VISIT AUDIXUSA.COM FOR SERVICE AND WARRANTY.
M55WD Spec Sheet
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