Accessories And Spare Parts; Specifications - Sennheiser HDR 145 Instruction Manual

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
Frequency range
Frequency response
Signal-to-noise ratio
Ambient temperature
HDR 145 headphones
Transducer principle
Max. SPL (at 1 kHz)
THD (at 1 kHz)
Power supply
Charging time
Operating time
Weight
FM, stereo
863 – 865 MHz
18 – 21,000 Hz
typ. 68 dBA
0 °C to +40 °C
dynamic, circumaural, closed
110 dB
< 0.5%
2 AAA size NiMH rechargeable
batteries (LR 03)
approx. 16 hrs (full charge)
up to 23 hrs (with fully charged
rechargeable batteries)
approx. 280 g
incl. rechargeable batteries
Accessories and spare parts
13