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Accessories and spare parts
Only use original Sennheiser accessories and spare parts,
otherwise the device quality can be impaired or the devices
can be damaged.
Cat. No. Accessory/spare part
511792 1 pair of earpads
Specifications
RS 145 comfort system
Modulation FM, stereo
Frequency range 863 – 865 MHz
Frequency response 18 – 21,000 Hz
Signal-to-noise ratio typ. 68 dBA
Ambient temperature 0 °C to +40 °C
HDR 145 headphones
Transducer principle dynamic, circumaural, closed
Max. SPL (at 1 kHz) 110 dB
THD (at 1 kHz) < 0.5%
Power supply 2 AAA size NiMH rechargeable
batteries (LR 03)
Charging time approx. 16 hrs (full charge)
Operating time up to 23 hrs (with fully charged
rechargeable batteries)
Weight approx. 280 g
incl. rechargeable batteries