Specifications - Sennheiser HDR 160 Quick Manual

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Specifications
Specifications
HDR 160/HDR 170/HDR 180 system
Modulation MSK digital
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Carrier frequencies 2.4 to 2.48 GHz
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Range (in the open area) HDR 160: approx. 20 m; HDR 170: approx.
Transducer principle
Max. SPL
THO
Frequency response
Charging time of
rechargeable batteries
Power supply
80 m; HDR 180: approx. 100 m
HDR 160, HDR 170: circumaural, closed;
HDR 180: circumaural, open
HDR 160, HDR 180: 106 dB (SPL);
HDR 170: 110 dB (SPL)
<0.5% at 1 kHz, 100 dB SPL
18 Hz to 21,000 Hz
approx. 16 hours
2 AAA NiMH rechargeable batteries, 1.2 V,
800 mAh
Operating time approx. 24 hours
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Weight (w /o rechargeable HDR 160: approx. 226 g; HDR 170: approx.
batteries) 228 g; HDR 180: approx. 209 g