Headset HS-09

It is a headset for a teacher and students.
Both ears are covered and are excellent about the sound insulation.
Unidirectional microphone doesn’t pick up a sound in the neighborhood.
It is possible to pick up the clear voice of a teacher and a student.

Outside dimensions


Receiver Dynamic receiver, Stereo
impedance 32Ω
output sound pressure  100dB
Input rating 20~50mW
Frequency characteristic 50Hz ~ 20kHz
Microphone Electoric condenser Microphone
Sensivility -47dB ( 0dB = 1V )
Directional characteristic Single directivity
Weight 230g ±20g
Microphone ON/OFF switch Microphone switch becomes OFF by setting a microphone arm to level position with a head band