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Countryman B3 Omni Lavalier Mic, Low Sens, with TA4F Connector for Shure Wireless Transmitters (Beige)

BH #COB3W5LSL • MFR #B3W5FF05LSL
153 reviews
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Countryman B3 Omni Lavalier Mic, Low Sens, with TA4F Connector for Shure Wireless Transmitters (Beige)
Key Features
  • For Interviews, Drama, and Water Sports
  • TA4F (SL), See Description
  • 20 Hz to 20 kHz Frequency Response
  • Includes 3 Capsule Protection Grids
The beige B3 Omnidirectional Lavalier Mic, Low Sens, with TA4F Connector for Shure Wireless Transmitters from Countryman is a water-resistant, miniature lavalier microphone for capturing high-quality audio. It can be used in a variety of applications such as a tie-clip lavalier in interviews, a hair-hidden mic for drama, a water-resistant mic for water sports and hurricane reporting, or simply a small mic to hide in a prop flower vase.
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Expected availability: Jun 05, 2026
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$229.00
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Countryman B3 Overview

The beige B3 Omnidirectional Lavalier Mic, Low Sens, with TA4F Connector for Shure Wireless Transmitters from Countryman is a water-resistant, miniature lavalier microphone for capturing high-quality audio. It can be used in a variety of applications such as a tie-clip lavalier in interviews, a hair-hidden mic for drama, a water-resistant mic for water sports and hurricane reporting, or simply a small mic to hide in a prop flower vase.

The capsule is resistant to moisture, which allows for placement in the hair or on bare skin, and its omnidirectional polar pattern minimizes handling noise, wind noise, and plosives (popping). Furthermore, a variety of skin-matching colors are available. The B3's cable terminates to a TA4F connector for direct connection to a Shure AXT100+, BLX1, FP1, GLXD1, PG1, PGX1, PGXD1, QLXD1, SLX1, UC1, ULX1, ULXD1, UR1, or UR1M wireless bodypack transmitter. Additionally, a carrying case, two cable clips, a windscreen, and three protective caps are also included.

Unobtrusive
Looks great when you want to see it, virtually disappears when you don't. The B3 is easily hidden in hair or on costumes, with five colors to match clothing, hair, and skin tones. Use a felt tip marker to color the white caps for near-perfect concealability. Never suffer the hassle and degraded sound quality of under-clothing miking again.
Rugged and Reliable
The B3 is resistant to makeup, sweat, and moisture when used with the supplied protective caps, and works well in hair or on the body. The protective caps are easily removed for cleaning or replacement, and the aramid-reinforced cable gives it world-class survivability.
Refined Sound Quality
The B3 provides high-quality audio with low distortion at SPL up to 150 dB on 48V phantom power. The aramid cable and thin diaphragm combine to offer low handling noise. The flat frequency response accurately captures voice or instruments, and the small size makes the B3 easy to position for ambient noise and feedback rejection.
Versatile
Changeable protective caps let you shape the frequency response for different situations or to match other microphones. Versions are available for different speaking or singing styles, with high overload capability for recording instruments.
Sensitivity
Low, head miking for theater.

Countryman B3 Specs

Key Specs
Microphone Type
Lavalier
Compatible Transmitters
Beyerdynamic:
Carvin:
JTS:
Shure:
Trantec:
Polar Pattern
Omnidirectional
Frequency Response
20 Hz to 20 kHz
Sensitivity
5 for Low/Head Placement for Theater (B6, B3, B2D)
Analog Output
1x TA4F/Mini-XLR 4-Pin Female
Environmental Resistance
Water-Resistant (Unrated)
Microphone
Microphone Type
Lavalier
Compatible Transmitters
Beyerdynamic: TG1000 (Gray Switch), TG100B (Gray Switch)
Carvin: UBP1000, UX16-BP, UXBP16
JTS: E-6TB, E-7TB (D), IN264TB, IN64TB, PG-36BG2, PT-850B, PT-850BD, PT900B, PT-920B, PT-920BG, PT-920BGmi, PT-920Bmi, PT-950, PT-950Bmi, RU-850LTB, RU-850TB, RU-988TB, RU-G3TB, UF-10TB, UF-20TB
Shure: BLX1, FP1, PG1, SLX1, UC1, ULX1, UR1, UR1M
Trantec: S4.4-BTX, S5.3-BTX, S5.5-BTX
Polar Pattern
Omnidirectional
Included Tone/Pattern Caps
Flat-Response, +4 dB Bright, +8 dB Very Bright
Performance
Frequency Response
20 Hz to 20 kHz
Sensitivity
4.0 mV/Pa
Countryman Sensitivity Code
5 for Low/Head Placement for Theater (B6, B3, B2D)
Equivalent Noise Level
24 dB (A-Weighted)
Connectivity
Analog Output Connector
1x TA4F/Mini-XLR 4-Pin Female
Cable Length
5' / 1.52 m
Power
Power Sources
Plug-In Power
Operating Voltage
3.0 to 12.0 V (Bias/Plug-In Power)
Physical
Color
Beige
Environmental Resistance
Water-Resistant (Unrated)
Dimensions
ø: 0.18 x L: 0.23" / ø: 4.57 x L: 5.8 mm
Weight
0.01 oz / 0.34 g
Packaging Info
Package Weight
0.5 lb
Box Dimensions (LxWxH)
9 x 5.3 x 1.5"

Countryman B3 Reviews

Great microphone!

By Dale
Rated 5 out of 5
Date: 2026-04-10

I needed a replacement lav mic to replace one that was damaged on set and I needed it fast. B&H was one of the only stores that had it in stock and shipped it very quickly.

Bias or Phantom Power Needed For Mic To Perform Well

By Don
Rated 5 out of 5
Date: 2022-06-07

Please note: EVERY microphone requires power (gain) to work properly and these Countryman lavaliers require a MINIMUM of 4V bias or 12V phantom to work. This power can be provided by a camera or preferably a wireless body pack or small recorder. Example: the Zoom F2 provides 2.5V of bias power which will not drive the Countryman B3. The signal (sound) will be very low and gain will need to be provided by a stronger source before reaching the camera or recorder to obtain -12 to -18 dbl. Location Audio 101.

See any errors on this page?

This mic has a 4 pin mini xlr female connector. I ...

This mic has a 4 pin mini xlr female connector. I was told to get Shure RPM626 pre amp for this, but is there a 4 pin xlr mini male to male xlr cable?
Asked by: Zack
We do not have a cable with the connectors you need, but please be aware that a cable with the right connectors does not replace the need for using a preamp which the RPM626 does include.
Answered by: Lisa S
Date published: 2020-11-01

HELLO WHATS MEAN (LS) OR (L4) CONNECTION TYPE?

HELLO WHATS MEAN (LS) OR (L4) CONNECTION TYPE?
Asked by: Martn
The B3's cable terminates to a TA5F connector for direct connection to a Lectrosonics M185 or M187 wireless bodypack transmitter.
Answered by: Mark S
Date published: 2021-07-21

is it good for Rode Wireless GO ?

is it good for Rode Wireless GO ?
Asked by: MARAT
I've used int with the Rode wireless GO without issue. The 3.5mm snaps in all the way and there is still a little room to rotate the locking nut. My only issue is that my camera only records on one channel, but the Rode Lav Go mic records on both channels.
Answered by: Mark
Date published: 2021-06-02

question

Does this mic have the W4 or W5 sensitivity?
Asked by: Anonymous
One of best ENG mic
Answered by: K M.
Date published: 2018-08-27

I have this mic with XLR connector, I would need ...

I have this mic with XLR connector, I would need to change it to 3.5mm Locking Connector in order to use it with my rode Wireless Transmitter. Is it possible? How?
Asked by: Luciano
This microphone need 48v and that only runs through XLR cables, the best thing to do in this case is to try to get the same microphone with a 3.5mm without a locking pin to work with the Rode Go systems.
Answered by: leticia
Date published: 2021-03-01

question

Does this work on a rode link system?
Asked by: Ruben H.
PLEASE READ & EDUCATE YOURSELF. :) Location Sound 101 - The difference between bias power (plug in) and phantom power. https://service.shure.com/s/article/difference-between-bias-plug-in-power-and-phantom-power?language=en_US
Answered by: Don
Date published: 2022-06-07

Will this work on the DJI wireless mic system?

Will this work on the DJI wireless mic system?
Asked by: Dan
Yes, the Countryman B3 Omni Lavalier Mic, Low Sens, with 3.5mm Non-Locking Connector for Azden Wireless Transmitters is compatible for use with the transmitters that are included with the DJI Mic 2-Person Compact Digital Wireless Microphone System.
Answered by: Lisa S
Date published: 2022-09-19

hi, I'm looking at purchasing the countryman B3 ...

hi, I'm looking at purchasing the countryman B3 lavalier mics. please between the low and the standard mic sensitives, which among the two is suitable for recording movie dialogues.
Asked by: Cephas
Low sensitivity lavs are generally reserved for subjects with BIG voices like those vocalists in Opera, Rock or public speakers with trained and loud elocution skills. Use the standard sensitivity for film, television, and most general application work.
Answered by: Mark S
Date published: 2020-02-21
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