Sennheiser RS85 Datasheet

Sennheiser RS85 Datasheet
RS 85
Headphones | Wireless Hi-fi Headphones
RS 85-4 (434 MHz) Cat. No. 004956
RS 85-8 (863 MHz) Cat. No. 004957
RS 85-9 (925 MHz) Cat. No. 004959
General Description
The RS 85 wireless RF headphone system with open, circumaural headphones features HiDyn plus™ noise reduction for wide dynamics and superb
sound quality, ensuring a very natural and detailed sound reproduction.
The RS 85 comes equipped with Center-Lock Auto-Tuning. A simple touch
of a button, and the headphones will automatically adjust to the transmitter (and can simply be re-tuned with a second touch if it locks on to
your neighbour’s transmitter).
Technical Data – HDR 85 Headphone Receiver
Transducer principle.................................................. dynamic, open
Frequency response ................................................... 20–22,000 Hz
THD ............................................................................................ < 0.5 %
Max. SPL .................................................................................... 101 dB
Power supply ........................................ via BA 151 accupack, 2.4 V
Operating time ........................................... over 4 hrs per accupack
Weight (with BA 151) ................................................approx. 160 g
Features
j Uncompromising sound quality due to HiDyn plus™ noise reduction
j Lightweight, comfortable headphones incorporate volume control,
one-touch auto-tuning and SAW input filter to eliminate RF interference
j Reception through walls and ceilings, in the home and outside in the
garden within a range of up to approx. 100 m (30 m for 925 MHz variant)
j Three switchable channels (2 for 863 MHz variant)
j Supplied with second accupack
j Special audio filter in the transmitter eliminates TV interference
Recommended Accessories
j SCART adaptor (Scart plug to Scart plug +
3.5 mm jack coupling)
j HDR 85-4 supplementary headphones (434 MHz)
j HDR 85-8 supplementary headphones (863 MHz)
j HDR 85-9 supplementary headphones (925 MHz)
Cat. No. 077798
Cat. No. 004966
Cat. No. 004967
Cat. No. 004968
Replacement Parts
j Ear pads (1 pair)
Cat. No. 077965
Product Variants
j RS 85-8 UK:
863 MHz variant with UK plug-in mains unit
Cat. No. 004958
Technical Data – T 85 Transmitter
Carrier frequencies
434 MHz variant: ..................................... 434.15 MHz, 433.4 MHz,
434.5 MHz (switchable)
836 MHz variant: ............863.25 MHz, 863.75 MHz (switchable)
925 MHz variant: .......................................925.0 MHz, 926.0 MHz,
926.5 MHz (switchable)
Range .................................................................up to approx. 100 m
(up to approx. 30 m for 925 MHz variant)
Modulation........................................................................... FM stereo
Signal-to-noise ratio ...................................................typ. > 85 dBA
Audio connector............................... 3.5 mm stereo jack plug with
adaptor to 1/4” (6.3 mm) stereo jack plug and
adaptor to RCA phono connectors
Charging options ............ 2, for headphones plus second BA 151
Weight (w/o mains unit) ...........................................approx. 186 g
Dimensions ......................................................155 x 153 x 105 mm
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