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Bone Conduction
SOUND BONE GD-SB
Goldendance AQUA
AUDIO BONE FIT

For music
GOLDENDANCE REAL

For supporting hearing loss
EARSONIC IN GD-B-SS
EARSONIC IN GD-B-SB

For Communication Equipments
A-hum E
A-hum M
A-hum
Listening Bone
Double Bone
Wireless PTT with bone conduction speaker headset
Wireless PTT with ear microphone
Fire PTT with ear microphone
Ear MIC with Finger PTT

Discontinued Products
PC BONE IN
SMART BONE IN
SOUND BONE II
Earsonic IN
Earsonic Combo
Ear Sonic
SOUND BONE
AUDIO BONE
AUDIO BONE AQUA
 
A-hum M
 

A-hum M Photo



Feature of A-hum M

This is a communications set, which consists of a bone conduction earphone and a high-performance microphone. You can hear sounds even when wearing earplugs. A-hum M has the following features:
●You can communicate while hearing ambient sounds (environmental sounds) because you do not need to cover your ears.
●You can communicate even when using earplugs for protection under noisy environments.
●There is no need to fit something to the skin like a conventional headset.
●The device can be used on existing headgear because it is easy to attach to or detach from the headgear (sliding type).
●The microphone has a directivity function and can transmit signals even under noisy environments.
●A digital transceiver is supported.

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Specification of A-hum M

・Model number:GD-AM

Bone conduction speaker (drip-proof)
・Type: Magnetic.
・Impedance: 8Ω.
・Frequency characteristics: 300 to 3,500 Hz.
・Rated input: 0.5W.
・Maximum input: 1.0W.

PTT microphone
・With 360-degree turning clip.
・High-performance microphone 250 (Earphone jack: Diameter 3.5).
・High-performance microphone 230 (Earphone jack: Diameter 2.5).

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