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BP892x MicroSet® Omnidirectional Condenser Headworn Microphones
The wired models (BP892x, BP892x-TH) require 11V to 52V phantom power for operation.
Included for this purpose is the AT8545 power module, which is equipped with a cH-style
screw-down 4-pin input connector and a 3-pin XLRM-type output connector. A recessed
switch in the power module permits choice of flat response or low-frequency roll-o (via
integral 80 Hz high-pass UniSteep® filter) to help control undesired ambient noise. A belt clip
is also included to hold the power module.
Broadcast & Production Microphones
Features
• Subminiature omnidirectional condenser capsule oers extremely intelligible,
natural vocal reproduction
• Inconspicuous, lightweight headset with capsule diameter of just 2.6 mm is ideal
for applications requiring minimum visibility
• Ergonomic under-ear design—the flexible, lightweight, contoured loop hooks
behind the ear for an ultra-secure, comfortable fit even for those wearing glasses
• Detachable, field-replaceable cable with robust connector at the earset and a
variety of available output terminations
• Handles high sound pressure levels with ease
• Wired version’s power module (AT8545) includes a high-pass filter that provides
a steep low-frequency attenuation to improve sound pickup without aecting
voice quality
• Comes with the AT8464x Dual-Ear Adapter Kit that converts the single-ear
MicroSet to a unit that’s worn on both ears for maximum stability and comfort
• Constructed of hypoallergenic materials
BP892x Description
The BP892x is a headworn condenser microphone with an omnidirectional polar pattern.
It is designed to provide intelligible natural audio for stage and television talent, lecturers
and houses of worship.
The microphone requires 11V to 52V phantom power for operation (wired only).
The microphone includes a 1.4 m (55") detachable, field-replaceable cable. Its free end
connects to the provided AT8545 power module via a screw-down 4-pin connector. The
connector is also available in a variety of terminations for use with Audio-Technica and
other manufacturers’ body-pack transmitters. The output of the power module is a 3-pin
XLRM-type connector.
A recessed switch in the power module permits choice of flat response or low-frequency rollo (via integral 80 Hz high-pass UniSteep® filter) to help control undesired ambient noise.
The microphone comes equipped with a power module, a cable clip, a dual-ear mount, two
windscreens, two element covers, a moisture guard, a belt clip and a protective carrying
case. The microphone is available in black and beige.
Wireless MicroSet® Description
The BP892x is a headworn condenser microphone with an omnidirectional polar pattern. It
is designed to provide intelligible natural audio for stage and television talent, lecturers, and
worship leaders.
The microphone includes a 1.4 m (55") detachable, field-replaceable cable that is available in
a variety of terminations for use in wired and wireless applications, as indicated below.
Cable Terminations
BP892x, BP892x-TH: Terminated with a cH-style screw-down 4-pin connector for use
with the included AT8545 power module.
BP892xcH, BP892xcH-TH: Terminated with a cH-style screw-down 4-pin connector
for use with Audio-Technica wireless systems featuring cH-style connector.
BP892xcW, BP892xcW-TH: Terminated with a cW-style locking 4-pin connector
for use with Audio-Technica wireless systems featuring cW-style connector.
BP892xcLM3, BP892xcLM3-TH: Terminated for Sennheiser® wireless systems
using locking 3.5 mm connector.
BP892xcT4, BP892xcT4-TH: Terminated with TA4F-type connector for Shure®
wireless systems.
Model numbers ending in “TH” are beige.
Audio-Technica® is a registered trademark of Audio-Technica. Other product and company names mentioned herein may be
trademarks and/or service marks of their respective owners.
All models of the microphone come with a cable clip, a dual-ear adapter kit, two
windscreens, two element covers, a moisture guard, and a protective carrying case. The
microphone is available in black and beige.
Operation and Maintenance
TThe BP892x requires 11V to 52V phantom power for operation (wired only).
Output is low impedance (Lo-Z) balanced. The signal appears across Pins 2 and 3; Pin 1 is
ground (shield). Output phase is “Pin 2 hot”—positive acoustic pressure produces positive
voltage at Pin 2.
The AT8545 power module included with wired models is equipped with an 80 Hz highpass UniSteep® filter that provides easy switching from a flat frequency response to a
low-end roll-o. The roll-o position reduces the microphone’s sensitivity to popping in
close vocal use. It also reduces the pickup of low-frequency ambient noise (such as trac,
air-handling systems, etc.), room reverberation and mechanically coupled vibrations.
To engage the UniSteep® filter, use the end tip of a paperclip or other small pointed
instrument to slide the switch toward the “bent” line.
The flexible design of the BP892x MicroSet enables it to be worn on either the left or right
ear. Bend a gentle upward curve in the microphone’s boom, then hook the lightweight
contoured loop around the back of your ear, so that the boom extends from the bottom of
your ear. Adjust the boom as needed to follow the contour of your face, positioning the
microphone near the corner of your mouth. The microphone has a large acoustical sweet
spot; experiment with placement near the corner of your mouth for optimal performance.
A cable clip is provided for strain relief, allowing the microphone to remain securely in
place without the weight of the cable pulling on the headset. To use the clip, slip the cable
into the clip’s cable-holding groove, then attach the clip to your clothing, leaving enough
slack in the microphone cable to allow for free, comfortable motion.
The included AT8464x Dual-Ear Adapter Kit allows you to convert the BP892x to a dual-ear
unit for increased stability and comfort. The BP892x attaches to either side of the adapter
so that the microphone can be worn to either the left or right of your mouth. The headband
easily adjusts to fit both children and adults.
How to use the Dual-Ear Microphone Mount
1. Insert the rounded end of your BP892x ear hook into the larger opening of the
adapter’s left or right tapered holder. Firmly seat the ear hook in the tapered holder.
2. Insert the small rounded end of the additional supplied ear hook into the larger
opening of the adapter’s remaining tapered holder. Firmly seat the ear hook in the
tapered holder.
3. Open the adapter’s adjustable behind-the-neck headband to its maximum position
by pushing the headband’s adjusting tabs together (a). Put the behind-the-neck
headband on, hooking the ear hooks over your ears. Adjust the fit of the headband
as needed by sliding the headband’s adjusting tabs until you arrive at a secure,
comfortable fit (a). Attach the microphone cable to the cable clip positioned between
the headband’s adjusting tabs (b).
3
a
b
2
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BP892x
12" or more on axis
LEGEND
Frequency in Hertz
Response in dB
10 dB
100
50
200
10k
5k
1k
500
2k
20k
Roll-off
Wireless Termination Diagrams
The donut-shaped moisture guard is provided to protect the element from sweat and moisture.
Position the moisture guard as close to the element as possible to provide maximum protection.
To remove the moisture guard, first remove the element cover and place it out of harm’s way.
Gently slide the moisture guard over the element. Replace the element cover.
Avoid leaving the microphone in the open sun or in areas where temperatures exceed 110° F
(43° C) for extended periods. Extremely high humidity should also be avoided.
Wireless Termination Diagrams
4
3
BP892xcW, cW-TH
Function Wire Color
Pin 1 Ground/Shield Green
Pin 2 Instrument Jumper to Pin 1
Pin 3 Mic Audio Copper Color
Pin 4 Bias + In Red
1
2
4
3
BP892xcH, cH-TH
Function Wire Color
Pin 1 Ground/Shield Green
Pin 2 Instrument Jumper to Pin 1
Pin 3 Mic Audio Copper Color
Pin 4 Bias + In Red
1
2
ring
sleeve
3
2
BP892xcT4, cT4-TH
Function Wire Color
Pin 1 Ground/Shield Green
Pin 2 Bias + In Red
Pin 3 Mic Audio Copper Color
Pin 4 Source Load Jumper to Pin 3
To reduce the environmental impact of a multi-language printed document, product information is available online at
www.audio-technica.com in a selection of languages.
Afin de réduire l’impact sur l’environnement de l’impression de plusieurs langues, les informations concernant les
produits sont disponibles sur le site www.audio-technica.com dans une large sélection de langue.
Para reducir el impacto al medioambiente, y reducir la producción de documentos en varios leguajes, información de
nuestros productos están disponibles en nuestra página del Internet: www.audio-technica.com.
Para reduzir o impacto ecológico de um documento impresso de várias linguas, a Audio-Technica providência as
informações dos seus produtos em diversas linguas na www.audio-technica.com.
Per evitare l’impatto ambientale che la stampa di questo documento determinerebbe, le informazioni sui prodotti sono
disponibili online in diverse lingue sul sito www.audio-technica.com.
Der Umwelt zuliebe finden Sie die Produktinformationen in deutscher Sprache und weiteren Sprachen auf unserer
Homepage: www.audio-technica.com.
Om de gevolgen van een gedrukte meertalige handleiding op het milieu te verkleinen, is productinformatie in
verschillende talen “on-line” beschikbaar op: www.audio-technica.com.
www.audio-technica.com
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4
BP892xcLM3, cLM3-TH
Function Wire Color
Sleeve Ground/Shield Green
Ring Mic Audio Copper Color
Tip Bias + In Red
tip
Specifications
Element
Fixed-charge back plate, permanently
polarized condenser
Polar pattern
Frequency response
Low frequency roll-o
Open circuit sensitivity
Impedance
Maximum input sound level
Dynamic range (typical)
Signal-to-noise ratio
Phantom power requirements
Current consumption
Voltage range
Switch
Weight
Omnidirectional
20-20,000 Hz
80 Hz, 18 dB/octave (wired only)
–43 dB (7.2 mV) re 1V at 1 Pa
250 ohms (wired only)
136 dB SPL, 1 kHz at 3% T.H.D.
104 dB, 1 kHz at 3% T.H.D. Max SPL
(wired only)
1
63 dB, 1 kHz at 1 Pa
11-52V DC, 2 mA typical (wired only)
0.2 mA typical at 5V (wireless only)
2.5-10V (wireless only)
Flat, roll-o (wired only)
Microphone, boom & earpiece:2.6 g (0.09 oz)
Power module (wired only): 85 g (3.0 oz)
Dimensions
Microphone: 9.5 mm (0.37") long,
2.6 mm (0.10") diameter
Boom: 98.5 mm (3.88") long,
1.07 mm (0.04") diameter
Power module (wired only): 100.0 mm
(3.94") long, 18.9 mm (0.74") diameter
Output connector (power module)
Integral 3-pin XLRM-type
Cable
Detachable 1.4 m (55") long, 1.6 mm
(0.06") diameter, 2- or 3-conductor
shielded cable (termination dependent)
Audio-Technica case style
Accessories furnished
M31
AT8545 power module (wired only);
AT8464x dual-ear adapter kit; AT8440
cable clip; AT8157 windscreen; AT8171
windscreen; two AT8156 element covers;
moisture guard; belt clip (wired only);
carrying case
In the interest of standards development, A.T.U.S.
oers full details on its test methods to other industry
1 Pascal = 10 dynes/cm
1
Typical, A-weighted, using Audio Precision System One.
Specifications are subject to change without notice.
professionals on request.
2
= 10 microbars = 94 dB SPL
frequency response: 20– 20,000 Hz polar pattern
330˚
300˚
270˚
240˚
210˚
SCALE IS 5 DECIBELS PER DIVISION
LEGEND
50
200
100
12" or more on axis
Roll-off
500
1k
Frequency in Hertz
10 dB
5k
2k
10k
Response in dB
20k
0˚
30˚
60˚
90˚
120˚
LEGEND
200 Hz
150˚
180˚
1 kHz
5 kHz
8 kHz
Audio-Technica Corporation
www.audio-technica.com
©2019 Audio-Technica P52761
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