Sony ECM-44BMP, ECM-88BC, ECM-44BC, ECM-77BMP, ECM322BC Brochure

ECM-88 Series

ECM-88FPT

ECM-77 Series

ECM-66 Series

ECM-55 Series

ECM-44 Series

Sony Lavalier Microphones

ECM-166 Series

ECM-V1BMP

ECM-X7BMP

Actual size

Sony is a leading provider of professional
lavalier microphones.

The ECM-50, Sony’s rst lavalier microphone released in 1969, was an epoch-making
product that achieved a perfect balance between compact size and excellent
performance. The ECM-50 led to the development of the broadcast-standard
ECM-30, a smaller and less expensive lavalier released a few years later.

More than four decades later, Sony is still a leader in the lavalier microphone market
with nine models and 21 variations, including the ECM-55 which is the successor of the
legendary ECM-50, and the ECM-44 which is the successor of the ECM-30.

Sony’s ECM-88 is a series of ultra-miniature, omni-directional lavalier microphones,
whose performance is highly acclaimed within broadcast, production, and theatrical
circles. The ECM-77 is also very well regarded, especially by broadcasters.
The ECM-66 is another top-of-the-line model with uni-directional directivity, which
provides good isolation and resistance to feedback.

Sony is also a leading manufacturer of digital wireless microphone systems*
Recently, the ECM-66, ECM-55, and ECM-44 series have been qualied for use with
digital wireless by enhancing the capsule shielding to reduce radio frequency
interference susceptibility, as well as the ECM-77 series*

2

. In addition to superb sound
quality, digital systems offer a number of advantages such as stable transmission and a
more exible channel plan.

1

.

Lavalier microphones from Sony are an ideal choice for virtually all quality-conscious
sound-gathering applications, including public address, ENG/EFP, studio, theater, and
use with musical instruments.

*1 The digital wireless microphone system is not available in some countries.

*2 Digital wireless system requires use of the /9X version lavalier microphones.

The ECM-77, ECM-66, ECM-55, and ECM-44 series have already been switched to the /9X version.

VARIATION OF THE INTERFACE

B type *

Supplied with an in-line battery unit, or a
DC-78 DC power supply unit. Two-way
powering possible - internal AA-size (LR6)
alkaline-battery operation or external DC
(12 to 48 V) operation.

BPT type *4 *

Supplied without a connector (pigtail), ena­bling users to choose connectors according
to their transmitter.

3

Supplied with a Sony 4-pin connector
(SMC9-4P), for use with the WRT-8B/822A/822B,
UHF-synthesized transmitter, or DWT-B01
bodypack transmitter.

B

5

Beige-colored model supplied without a
connector (pigtail), enabling users to choose
connectors according to their transmitter.

BC type BMP type

Supplied with a 3-pole locking mini plug for
use with the bodypack transmitter included in
the UWP series.

BC

FPT type

Note: /9X version shown (bottom microphone

image in each box ) includes a different
color strain relief at the top of the
connector.

BMP

Legend:

B BC BMP BPT FPT

Type of applicable interface.

BPT

*3 ECM-44B does not support external DC operation.

*4 There is no difference in appearance between the conventional BPT type and “/9X” BPT type.

*5 Radio-frequency interference from the digital wireless system may occur if the self-prepared connector has not been grounded sufciently.

2

FPT

/9X

Digital wireless model

100Hz
1KHz
6KHz
10KHz

0°

30°

60°

90°

120°

150°

150°

180°

120°

90°

60°

30°

0dB

-5

-10

-15

-20

100Hz
1KHz
10KHz

0°

30°

60°

90°

120°

150°

150°

180°

120°

90°

60°

30°

0dB

-5

-10

-15

-20

50 100 200 500 1k 2k 5k

90°

180°

10k 20k20

-20

-10

0

+10

+20

Response (dB)

Frequency (Hz)

0°

0°

90°

180°

50 100 200 500 1k 2k 5k 10k 20k20

-20

-10

0

+10

+20

Response (dB)

Frequency (Hz)

100Hz/
1kHz

6KHz
10KHz

0°

30°

60°

90°

120°

150°

150°

180°

120°

90°

60°

30°

0dB

-5

-10

-15

-20

180°

50 100 200 500 1k 2k 5k 10k 20k20

Frequency (Hz)

0°

-20

-10

0

+10

+20

Response (dB)

90°

Product Description

ECM-88 series ECM-77 series ECM-66 series

B BC BMP BPT FPTB BC BMP BPT FPT

FEATURES

• Ultra-miniature, omni-directional

electret condenser microphone.

• Designed for quality-critical

applications in broadcasting, theater,
and eld productions.

• Choice of model variations to suit

specic user requirements.

• Flat-and-wide frequency response

provides natural sound reproduction.

• Water-resistant design maintains

sound clarity in almost any
application or environment.

• Dual-diaphragm mechanism

contributes to high sensitivity, wide

FEATURES FEATURES

• Miniature, omni-directional electret

condenser microphone.

• Performance and reliability in studio,

ENG, and EFP applications.

• Choice of model variations to suit

specic user requirements.

• Wide frequency response,

high sensitivity, and low-noise
characteristics.

• Miniature design makes it easy to

conceal.

• Ideal for use with DWT-B01.

/9X /9X

B BC BMP BPT FPT

• Uni-directional, electret condenser

microphone.

• Resistant to howling by rejecting

indirect sound.

• Ideal for institutional use and sound-

contracting applications such as
speeches, lectures, and conferences.

• Designed for a wide range

of applications from voice to
instrumental recording.

• Wide dynamic range (101 dB), and

high maximum input-sound-pressure
level (130 dB SPL).

• Low inherent-noise characteristics.

dynamic range, and low noise.

• Low cable-noise characteristics.

• Miniature design makes it easy to

conceal in a stage costume.

Directivity Characteristics

Frequency Response Characteristics Frequency Response Characteristics Frequency Response Characteristics

Directivity Characteristics Directivity Characteristics

3

100Hz
1KHz
3KHz
10KHz

120°

0°

30°

60°

90°

150°

150°

180°

120°

90°

60°

30°

0dB

-5

-10

-15

-20

100Hz
/1KHz
3KHz
10KHz

120°

0°

30°

60°

90°

150°

150°

180°

120°

90°

60°

0dB

-5

-10

-15

-20

0°

90°

180°

50 100 200 500 1k 2k 5k 10k 20k20

-20

-10

0

+10

+20

Response (dB)

Frequency (Hz)

0°

90°

180°

50 100 200 500 1k 2k 5k 10k 20k20

-20

-10

+10

+20

Response (dB)

Frequency (Hz)

0

Product Description

ECM-55 series ECM-44 series ECM-166 series

/9X /9X

B BC BMP BPT FPT B BC BMP BPT FPT B BC BMP BPT FPT

FEATURES FEATURES FEATURES

• Omni-directional, electret condenser

microphone.

• High signal-to-noise ratio and low

inherent-noise characteristics.

• Large microphone head of 10.6 mm

(7/16 inch) diameter offers rich sound
reproduction.

• Successor to the ECM-50 microphone,

the world's rst electret condenser
lavalier microphone.

• Omni-directional, electret condenser

microphone.

• Choice of model variations to suit

specic user requirements.

• Cost-effective miniature microphone

provides superb sound quality.

ECM-44B does not support external DC
operation.

• Uni-directional, electret condenser

microphone.

• Resistant to howling by rejecting

indirect sound.

• Reasonably priced lavalier

microphone, ideal for institutional use
and sound-contracting applications
such as presentations, lectures, and
conferences.

Directivity Characteristics Directivity Characteristics

Frequency Response Characteristics Frequency Response Characteristics

4

ECM-V1BMP ECM-X7BMP ECM-322 series

1KHz

120°

0°

30°

60°

90°

210°

150°

180°

240°

270°

300°

330°

0dB

-5

-10

-15

400Hz
1KHz
4KHz

120°

30°

60°

90°

210°

150°

180°

240°

270°

300°

0dB

-15

-20

0°

330°

-5

-10

50 100 200 500 1k 2k 5k 10k 20k20

Frequency (Hz)

-20

-10

+10

+20

Response (dB)

0

Frequency (Hz)

0°

90°

180°

-20

-10

+10

+20

Response (dB)

0

50 100 200 500 1k 2k 5k 10k 20k20

B BC BMP BPT FPT B BC BMP BPT FPT

FEATURES FEATURES

• The lavalier microphone supplied with

the UWP package is available as an
individual microphone.

• Omni-directional, electret condenser

microphone.

• Reasonably priced lavalier

microphone, ideal for ENG and EFP
uses.

• The lavalier microphone supplied with

the UWP package is available as an
individual microphone.

• Uni-directional, electret condenser

microphone.

• Resistant to howling by rejecting

indirect sound.

• Reasonably priced lavalier

microphone, ideal for institutional use
and sound-contracting applications
such as speeches, lectures, and
conferences.

B BC BMP BPT FPT

FEATURES

• Omni-directional, electret condenser

microphone.

• Headset microphone, ideal for a

variety of multimedia presentation
applications ranging from seminars
and conferences to lectures and
workshops.

• Ear-clip-style design, wearable on

either the left or right ear.

• The position of the microphone is
adjustable.

• With the adjustable soft-texture ear

hook and detachable headband, the
headset microphone is comfortable
to wear and ts stably on the ear, even
during lengthy presentations.

Directivity Characteristics Directivity Characteristics

Frequency Response Characteristics Frequency Response Characteristics

* The characteristics are measured as UTX-B2V. * The characteristics are measured as UTX-B2X.

5

SPECIFICATIONS

Model Variations

ECM-88 Series ECM-77 Series ECM-66 Series ECM-55 Series

XLR type

ECM-88B with supplied DC-78 ECM-77B ECM-66B ECM-55B
(Supplied with a battery unit and XLR-3-12C type
connector.)

SMC type

ECM-88BC ECM-77BC ECM-66BC —
(Supplied with a Sony 4-pin <SMC9-4P> connector.)

BMP type

— ECM-77BMP — —
(Supplied with a 3.5 mm diameter, 3-pole mini plug.)

Pigtail type
(Supplied without a connector <pigtail>.)

ECM-88BPT

ECM-88FPT

ECM-77BPT — —

Capsule type Electret Condenser Electret Condenser Electret Condenser Electret Condenser

Frequency response 20 Hz to 20 kHz 40 Hz to 20 kHz 70 Hz to 14 kHz 30 Hz to 18 kHz

Directivity Omni-directional Omni-directional Uni-directional Omni-directional

Sensitivity
(0 dB=1 V/Pa, at 1 kHz)

Output impedance
at 1 kHz

XLR type −52.0 dB ± 2 dB* −52.0 dB ± 2 dB −50.0 dB ± 2 dB −52.0 dB ± 2 dB

SMC/BMP/Pigtail type −39.0 dB ± 2 dB −39.0 dB ± 2 dB −36.5 dB ± 2 dB —

XLR type 100  ± 20% (balanced)* 150  ± 20% (balanced) 100  ± 20% (balanced) 100  ± 20% (balanced)

SMC/BMP/Pigtail type 2.5 k ± 30% (unbalanced) 2.5 k ± 30% (unbalanced) 2.5 k ± 30% (unbalanced) —

Dynamic Range 99 dB or more 90 dB or more 101 dB or more 98 dB or more

Signal-to-noise ratio (A-weighted, 1 kHz, 1 Pa.) 68 dB or more 64 dB or more 65 dB or more 66 dB or more

Inherent noise (0dB SPL = 2E-5 Pa.) 26 dB SPL or less 30 dB SPL or less 29 dB SPL or less 28 dB SPL or less

Wind noise (with windscreen, at 2m/s)

45 dB SPL or less 40 dB SPL or less 50 dB SPL or less 40 dB SPL or less

(0 dB SPL = 2E-5 Pa.)

Induction noise from external magnetic eld

5 dB SPL or less 5 dB SPL or less 5 dB SPL or less 5 dB SPL or less

(dB SPL/1E-7 T, 0 dB SPL = 2E-5 Pa.)

Maximum input sound pressure level (0 dB SPL = 2E-5 Pa.) 125 dB SPL 120 dB SPL 130 dB SPL 126 dB SPL

Power supply
(XLR type only)

Battery IECR6 or LR6* IECR6 or LR6 IECR6 or LR6 IECR6 or LR6

Battery life (LR6) Approx. 6000 h* Approx. 6000 h Approx. 400 h Approx. 6000 h

External power DC 12 to 48 V* DC 12 to 48 V DC 24 to 48 V DC 12 to 48 V

Power requirements XLR type DC 1.5 V* DC 1.5 V DC 1.5 V DC 1.5 V

SMC/BMP/Pigtail type DC 1.1 to 10.0 V DC 1.1 to 10.0 V DC 1.1 to 10.0 V —

Current drain XLR type (internal battery) 0.3 mA or less* 0.3 mA or less 3.5 mA or less 0.3 mA or less

XLR type (external battery) 2 mA or less* 2 mA or less 2 mA or less 2 mA or less

SMC/BMP/Pigtail type 0.4 mA or less 0.4 mA or less 0.4 mA or less —

Cable length XLR type 8.2 feet (2.5 m) 9.8 feet (3.0 m) 9.8 feet (3.0 m) 9.8 feet (3.0 m)

SMC/BMP type 3.9 feet (1.2 m) 3.9 feet (1.2 m) 3.9 feet (1.2 m) —

Dimensions Microphone head

Pigtail type 8.2 feet (2.5 m) 9.8 feet (3.0 m) — —

Power unit (XLR type only)

5

/32 x 5/32 x 11/16 inch
(3.5 x 3.5 x 16.8 mm)
Clip attachment area:

5

/32 inch (3.9 mm) diameter

13

/16 diameter x 5 3/4 inches

(20.0 diameter x 144 mm)

1

/4 diameter x 1/2 inch

(5.6 diameter x 12.5 mm)

13

/16 diameter x 5 1/4 inches

(20.0 diameter x 133 mm)

7

/16 diameter x 31/32 inch

(10.6 diameter x 24.2 mm)

13

/16 diameter x 6 1/2 inches

(20.0 diameter x 163 mm)

7

/16 diameter x 27/32 inch

(10.6 diameter x 21 mm)

13

/16 diameter x 5 1/4 inches

(20.0 diameter x 133 mm)

Weight Microphone head only 0.02 oz (.6 g) 0.05 oz (1.5 g) 0.25 oz (7 g) 0.23 oz (6.5 g)

Total XLR type 5.7 oz (162 g) 4.3 oz (122 g) 5.9 oz (167 g) 4.5 oz (127 g)

SMC type 0.7 oz (22 g) 0.8 oz (23 g) 1.1 oz (30 g) —

BMP type — 0.6 oz (17 g) — —

Pigtail type 0.7 oz (20 g) 0.9 oz (26 g) — —

Supplied accessories Single/Horizontal type tie clip

2

,

(x1)*
Single/Vertical type tie clip

2

,

(x1)*
Double/Horizontal type tie clip

3

,

(x1)*
Urethane type windscreen

2

,

(x1)*
Microphone case (x1)*

3

,

Operating instructions (x1),

Single/Horizontal type tie clip

4

,

(x1)*
Single/Vertical type tie clip

4

,

(x1)*
Double/Horizontal type tie
clip (x1),
Metal-mesh type windscreen
(x1),
Microphone case (x1)*
Operating instructions (x1)

Single/Horizontal type tie
clip (x1),
Single/Vertical type tie clip

5

,

(x1)*
Urethane type windscreen (x1),
Microphone case (x1),
Operating instructions (x1)

4

,

Single/Horizontal type tie
clip (x1),
Single/Vertical type tie clip (x1),
Double/Horizontal type tie
clip (x1),
Metal-mesh type windscreen
(x1),
Microphone case (x1),
Operating instructions (x1)

Ferrite clamp (x1)

*1 ECM-88B used with the supplied DC-78 battery unit.
*2 ECM-88FPT is not supplied with mic accessories.
*3 Double / Horizontal type tie clip and microphone case are supplied with ECM-88B only.
*4 Single / Vertical type tie clip, Double / Horizontal type tie clip, and microphone case are supplied with ECM-77B only.
*5 Single / Vertical type tie clip and microphone case are supplied with ECM-66B only.

6

ECM-44 Series ECM-166 Series ECM-V1 Series*

7

ECM-X7 Series*

8

ECM-322 Series

Model Variations

XLR type

ECM-44B — — — —
(Supplied with a battery unit and XLR-3-12C
type connector.)

SMC type

ECM-44BC ECM-166BC — — ECM-322BC
(Supplied with a Sony 4-pin <SMC9-4P> connector.)

BMP type

ECM-44BMP ECM-166BMP ECM-V1BMP ECM-X7BMP ECM-322BMP
(Supplied with a 3.5 mm diameter, 3-pole mini plug.)

Pigtail type

ECM-44BPT — — — —
(Supplied without a connector <pigtail>.)

Capsule type Electret Condenser Electret Condenser Electret Condenser Electret Condenser Electret Condenser

Frequency response 40 Hz to 15 kHz 100 Hz to 10 kHz 40 Hz to 20 kHz 100 Hz to 15 kHz 50 Hz to 18 kHz

Directivity Omni-directional Uni-directional Omni-directional Uni-directional Omni-directional

Sensitivity
(0 dB=1 V/Pa, at 1 kHz)

Output impedance
at 1 kHz

XLR type −53.0 dB ± 3 dB — — — —

SMC/BMP/Pigtail type −40.0 dB ± 3 dB −45.0 dB ± 3 dB −43.0 ± 3 dB −44.0 ± 3 dB −42 dB ± 3 dB

XLR type 250  ± 20% (balanced) — — — —

SMC/BMP/Pigtail type

2.5 k ± 30% (unbalanced)

2.5 k ± 30% (unbalanced)

1.2 k ± 30% (unbalanced)

1.2 k ± 30% (unbalanced)

1.4 k ± 30% (unbalanced)

Dynamic Range 90 dB or more 96 dB or more 86 dB or more 88 dB or more 81 dB or more

Signal-to-noise ratio (A-weighted, 1 kHz, 1 Pa.) 62 dB or more 60 dB or more 60 dB or more 62 dB or more 60 dB or more

Inherent noise (0dB SPL = 2E-5 Pa.) 32 dB SPL or less 34 dB SPL or less 34 dB SPL or less 32 dB SPL or less 34 dB SPL or less

Wind noise (with windscreen, at 2m/s)
(0 dB SPL = 2E-5 Pa.)

Induction noise from external magnetic eld

40 dB SPL or less — — — 55 dB SPL or less

(without windscreen)

5 dB SPL or less — — — —

(dB SPL/1E-7 T, 0 dB SPL = 2E-5 Pa.)

Maximum input sound pressure level (0 dB SPL = 2E-5 Pa.)

Power supply
(XLR type only)

Battery IECR6 or LR6 — — — —

Battery life (LR6) Approx. 6000 h — — — —

122 dB SPL 130 dB SPL 120 dB SPL 120 dB SPL 115 dB SPL

External power — — — — —

Power requirements XLR type DC 1.5 V — — — —

SMC/BMP/Pigtail type DC 1.1 to 10.0 V DC 1.1 to 10.0 V DC 5 V DC 5 V DC 1.1 to 10.0 V

Current drain XLR type (internal battery) 0.3 mA or less — — — —

XLR type (external battery) — — — — —

SMC/BMP/Pigtail type 0.4 mA or less 0.4 mA or less 0.2 mA or less 0.2 mA or less 1.3 mA or less

Cable length XLR type 9.8 feet (3.0 m) — — — —

SMC/BMP type 3.9 feet (1.2 m) 3.9 feet (1.2 m) 3.9 feet (1.2 m) 3.9 feet (1.2 m) 3.9 feet (1.2 m)

Dimensions Microphone head

Pigtail type 9.8 feet (3.0 m) — — — —

Power unit (XLR type only)

11

/32 diameter x

19

/32 inch

(8.5 diameter x 14.5 mm)

13

/16 diameter x 5 inches

1

/2 diameter x

15

/16 inch

(12.5 diameter x 23.5 mm)

9

/32 diameter x

25

/32 inch

(6.8 diameter x 19.5 mm)

15

/32 diameter x

13

/16 inch

(11.5 diameter x 20.5 mm)

— — — —

11

/32 diameter (capsule

5

/6 inch

case) x 6
(8.4 diameter x 168 mm)

(20.0 diameter x 126 mm)

Weight Microphone head only 0.07 oz (2 g) 0.12 oz (3.5 g) — — —

Total XLR type 4.3 oz (121 g) — — — —

SMC type 0.8 oz (24 g) 1.0 oz (25 g) — —

BMP type 0.6 oz (18 g) 0.7 oz (19 g) 0.57 oz (16.2 g) 0.63 oz (18.0 g)

0.4 oz (10 g) without connector

0.4 oz (10 g) without connector

Pigtail type 1.0 oz (29 g) — — — —

Supplied accessories Single/Horizontal type tie

clip (x1),

Urethane type windscreen

(x1),

Microphone case

6

,

(x1)*

Single/Horizontal type tie
clip (x1),
Urethane type windscreen
(x1),
Operating instructions (x1)

Single/Horizontal type tie
clip (x1),
Urethane type windscreen
(x1)

Single/Horizontal type tie
clip (x1),
Urethane type windscreen
(x1)

Headband (x1), clip (x1),
Carrying case (x1),
Operating instructions (x1)

Operating instructions (x1)

*6 The microphone case is supplied with ECM-44B only.
*7 The characteristics are measured as UTX-B2V.
*8 The characteristics are measured as UTX-B2X.

7

OPTIONAL ACCESSORIES

ECM-88 ECM-77 ECM-66 ECM-55 ECM-44 ECM-166 ECM-V1 ECM-X7

Single/Hori­zontal type tie
clip

SAD-H88B (x 6) SAD-H77B (x 10) SAD-H55B (x 10) SAD-H55B (x 10) SAD-H44B (x 10)

—

SAD-HV1B2 (x 4) SAD-HV1B (x 4)

Single/Vertical
type tie clip

Double/
Horizontal type
tie clip

Safety-pin type
microphone
holder

Metal-mesh
windscreen

Urethane
windscreen

— — — — — —

SAD-V88B (x 6) SAD-V77B (x 10)

— — — — — —

SAD-W88BL (x 6) SAD-W77BL (x 6)

— — — — — —

SAD-S88B (x 6) SAD-S77 (x 6)

—

AD-R77B (x 6)

AD-R88B (x 12) AD-C77B (x 12) AD-R66B (x 12)

—

AD-R55B (x 6)

—

— — — —

—

AD-R44B (x 12)

AD-RV1B2 (x 5) AD-RX7 (x 6)

Color
windscreens

AD-C88 (x 2

DC power
supply unit
(SMC9-4S to
XLR 3-pin)

Microphone
accessory kit

DC-78 Supplied

with ECM-88B DC-78 DC-78

Sony Electronics Inc.
1 Sony Drive
Park Ridge, NJ 07656
sony.com/proaudio

A-1175-A (MK10077V4)

sets)

AD-KIT88B AD-KIT77

AD-C77 (x 2

sets)

— — — — — —

—

DC-78 DC-78

— — — — — —

— —

© 2012 Sony Electronics Inc. All rights reserved.

Reproduction in whole or in part without written permission is prohibited.

Features and specifications are subject to change without notice.

All non-metric weights and measures are approximate.

Sony; Sony Make.Believe logo is a trademark of Sony.

Printed in USA (2/12)