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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 E
 

A-hum E Photo



Feature of A-hum

This is a communications set, which consists of a bone conduction earphone and a high-performance microphone. Hearing sounds by vibrations does not excessively tire the ear and does not require headgear. A-hum E has the following features:
●The earphone unit does not have air holes because it uses bone conduction. This drip-proof unit is strong against sweat and water drops and can be cleaned by wiping with a wet cloth even when it is dirty.
●Hearing sounds by bone conduction rather than via the eardrum reduces fatigue even after long  hours of work.
●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 E

・Model number: GD-AE

Bone Conduction Earphone (one earplug type)
・Model: Dynamic type.
・Driver: Diameter 10.
・Sensitivity: 83 ± 3 dB.
・Playback band: 50 to 10,000 Hz.
・Maximum input: 125 mW.
・Impedance: 8Ω.
・Mass: 15 g (including cord).
・Cord length: 60 cm.
・Plug: Diameter 3.5 or 2.5stereo mini-plug.
・Color: Black.
・No headgear is attached.

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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