Sennheiser HDR 180

Type: wireless; Cable length/radius: 100 ;m; Weight: 204 ;y; Design: overhead, open; Type emitters: dynamic; Nominal impedance: 32 ;Om; Frequency range: 18-21000 ;Hz; Sensitivity: 110 ;dB; Adjusting the volume: +; Battery type: AAA / x2 / ; ...

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Table of characteristics

Colorgrey
Typewireless
Cable length/radius100 m
Weight204 y
Characteristics headphone 
Designoverhead, open
Type emittersdynamic
Nominal impedance32 Om
Frequency range18-21000 Hz
Sensitivity110 dB
Adjusting the volume+
Connection 
Battery typeAAA / x2 /