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Accessories and spare parts
21
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
502821
1 HDR 145 additional headphones
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 dB (A)
Ambient temperature
0 °C to +40 °C
TR 145 transmitter
Carrier frequencies
863.3 / 864.0 / 864.7 MHz
Radiated RF power
≤
10 mW
Power supply
9 V DC via NT-RS 100 mains unit
Power consumption
< 1.8 VA
Channels
3
Connector
3.5 mm stereo jack plug