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ISOMAX Headset

One of the best-sounding headset mics of all time, our ISOMAX Headset Mic holds securely and zeroes in on the source, capturing warmth and rejecting unwanted sounds.


One of the best-sounding headset mics of all time, our ISOMAX Headset Mic remains the favorite of countless high-profile performing artists. It's sleek, comfortable, and stays securely in place, even during dance-oriented performances. It zeroes in on its source, capturing warmth in a wide frequency range. It rejects unwanted sounds and monitor feedback even better than most handhelds. And it tolerates sweat, weather, and makeup better than any other headset. Best of all, it's affordable and durable, providing a long life of excellent sound.

High overload

At sound pressure levels approaching the pain threshold, our mics still won't distort. That's why they're favorites for rock bands and opera singers alike.

Polar patterns

Precise polar pattern tuning provides unmatched feedback rejection and isolation from ambient noise.

Rugged cable

Aramid strength members and engineered alloys ensure that our cables provide extreme tensile and flex strength.

Frequency Response: 20 Hz to 20 kHz
Power Requirements: 15V at the microphone under load. 4mA total current drain.
Sensitivity: 1.4 mV/Pascal
Overload Sound Level: 150 dB SPL at 1% THD (48V Phantom model)
Output Impedance: 600 Ohms balanced (48V Phantom model)
Cable Length:

5 Feet

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ISOMAX Headset

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Product Options


Choose the device which will connect to your microphone.

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Brand is the manufacturer of the wireless transmitter or digital recorder which will be used with the microphone. Choose "Hardwired" for a phantom powered XLR3 connection.

Model is the model number of the transmitter pack or digital recorder.

For digital recorders only choose how you would like the mono microphone signal routed:

"Audio on Left Channel" to route the mono microphone signal to the recorder’s left channel.

"Audio on Left and Right Channels" to route the mono microphone signal to the recorder’s left and right channels.


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Omnidirectional microphones pick up sound from all directions equally, whereas directional microphones focus more on one direction than others.

For microphones that are used very close to the source -- such as earsets, headsets, and head-worn lavaliers -- the omnidirectional pattern is usually the best option since the proximity to the source provides ample gain-before-feedback.

Directional E2 and E6 Earsets and directional H6 Headsets are marked with a green band.

For microphones used farther from the source -- such as hanging choir or podium mics -- or in situations requiring extreme isolation -- floor monitors or speakers nearby, very loud environments -- choose a directional microphone with a cardioid or hypercardioid pattern.

Omnidirectional microphones pick up sound from all directions equally.

Cardioid rejects more ambient noise compared to an omni while providing a wide front-lobe for flexibility in placement.

Hypercardioid provides the most rejection of ambient noise but has a narrower front-lobe.

Bidirectional or Figure 8 picks up sound equally from two directions, and are commonly used in mid-side recording setups.


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Countryman products come in a variety of colors to blend in with their surroundings:

Tan works perfectly for average Caucasian skin tones, as well as olive complexions and is a common earset choice.

Light beige works well in theatrical applications due to its slightly pink undertone, which is also appropriate for extremely fair skin.

Cocoa is the ideal choice for African American skin tones ranging from very light to chocolate.

Black is appropriate for extremely dark skin or for situations where you want the mic to be visible.

White is a versatile choice for light-colored clothing. The white protective caps available for our lavaliers can be colored with felt pens for a custom match to clothing.

For placement against skin, when in doubt, choose the darker option. That’s because a mic that’s too light can resemble a scar or blemish, while a mic that’s slightly darker than the background tends to blend much better and draws less attention.


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