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W 66

The headphone, coil insert for telephones and head micro-telephones adjusted to work in temperate climate, in dry rooms.

 

Impedance [ Ώ ] 900
Efficiency   [dB/1mW ] ------
Attenuation [ dB ] -13
Transmission band [ Hz – Hz ] 300 – 3000
Weight [ g ] 108
Dimensions [ fi1 x fi2 x W ] 56,2 x 46 x 38
Notes   Headphone/microphone
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