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Countryman Isomax Headset Microphone

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Countryman Isomax Headset Microphone
Key Features
  • For Lectrosonics Transmitters
  • Switchcraft A3M Connection
  • Cardioid Polar Pattern
  • Beige
The Countryman Isomax Headset Microphone is the original Countryman head-worn microphone and a favorite for both speech and performances. The Isomax features a flexible boom for easy positioning and the sensitive capsule features a full 20Hz to 20kHz frequency response for full, clear audio reproduction.

The Isomax effectively rejects off-axis audio, minimizing feedback and residual noise. The flexible, adjustable band fits snugly and comfortably around the back of the head for concealed use on stage, during trade shows, speeches, sermons, etc.

A wide variety of colors and connections are available for use with various wireless transmitters. This version is beige and features a Switchcraft A3M connector for use with Lectrosonics transmitters.

More Details
Currently Unavailable
Expected availability: Apr 2027
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Countryman Isomax Overview

The Countryman Isomax Headset Microphone is the original Countryman head-worn microphone and a favorite for both speech and performances. The Isomax features a flexible boom for easy positioning and the sensitive capsule features a full 20Hz to 20kHz frequency response for full, clear audio reproduction.

The Isomax effectively rejects off-axis audio, minimizing feedback and residual noise. The flexible, adjustable band fits snugly and comfortably around the back of the head for concealed use on stage, during trade shows, speeches, sermons, etc.

A wide variety of colors and connections are available for use with various wireless transmitters. This version is beige and features a Switchcraft A3M connector for use with Lectrosonics transmitters.

Miniature Unobtrusive Design
A miniature cardioid capsule is mounted to a low-profile, adjustable headband. The Isomax is available in various colors that match different skin tones.
Moisture Resistant
The moisture resistant capsule is protected against humidity, sweat and makeup.
Cardioid Polar Pattern
The Isomax is available in omnidirectional, cardioid and hypercardioid polar patterns. The version features a cardioid pattern that effectively minimizes off-axis noise and feedback while providing a generous pick up area.
Applications
Extremely popular among high-profile rock performers on stage and in the studio
Excellent choice for trade show presenters, auctioneers, lecturers, clergy, etc.
Style & Comfort
Flexible, telescoping band fits snugly and comfortably around the back of the head
Easily concealed under the hair
Telescoping boom can be bent to provide a custom fit
Performance
Very high-quality audio
High rejection of feedback and unwanted sounds
Wide 20 Hz to 20 kHz frequency response shaped like the world's most popular vocal microphone
Truly dynamic warmth with condenser clarity
Reduces feedback - nearly perfect cardioid and hypercardioid patterns handle hot monitors better than most handhelds

Countryman Isomax Specs

Key Specs
Microphone Type
Headset (Dual-Ear/Headband)
Compatible Transmitters
Lectrosonics:
Polar Pattern
Cardioid
Frequency Response
20 Hz to 20 kHz
Maximum SPL
50 dB (Phantom Power, 1% THD)
Sensitivity
W4 Medium Gain (ISOMAX, ISOMAX 2)
Analog Output
1x XLR 3-Pin Male
Environmental Resistance
Water-Resistant (Unrated)
Microphone
Microphone Type
Headset (Dual-Ear/Headband)
Compatible Transmitters
Lectrosonics: HM, UH200d, UH400, UH400a
Polar Pattern
Cardioid
Included Tone/Pattern Caps
No
Performance
Frequency Response
20 Hz to 20 kHz
Maximum SPL
50 dB (Phantom Power, 1% THD)
Sensitivity
1.4 mV/Pa
Countryman Sensitivity Code
W4 Medium Gain (ISOMAX, ISOMAX 2)
Connectivity
Analog Output Connector
1x XLR 3-Pin Male
Cable Length
5' / 1.52 m
Power
Power Sources
Phantom Power
Operating Voltage
15 V
Physical
Color
Light Beige
Environmental Resistance
Water-Resistant (Unrated)
Packaging Info
Package Weight
0.5 lb
Box Dimensions (LxWxH)
10 x 10 x 2"

Countryman Isomax Reviews

See any errors on this page?

question

Is this a single ear or double ear headset?
Asked by: Jonathan
Countryman ISOMAX Headsets feature a dual ear headband.
Answered by: Jeff P.
Date published: 2018-08-27

Can the hypercardioid version of this mic be ...

Can the hypercardioid version of this mic be connected directly to a 3.5mm TRS connection? It'll be recorded through a USB audio adapter straight to a computer.
Asked by: Jeffrey
This microphone is designed for use with a wireless transmitter and requires 15V to operate, a comuter will NOT provide this voltage. Power Requirements 15 V at the microphone under load 4 mA total current drain Models are available for Phantom power and most wireless transmitters
Answered by: james
Date published: 2020-09-22

question

Is this mic compatable with Shure Model BXL1 J10?
Asked by: RL P.
It is compatible as long at your transmitter and the countryman have the switchcract TA4 connector.
Answered by: Randall J.
Date published: 2018-08-27
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