Specifications - Sennheiser Set 820s Instruction Manual

The adjustments can also be made when the receiver is
being used.
When replacing the operating control, make sure the
"projections" on the inside of the operating control point
in the direction of the attachment clip.
After replacing the operating control, synchronize the
operating control with the volume control by once turning it fully in both directions.

Specifications

System
Modulation
Carrier frequencies
AF frequency response
S/N ratio
Transmitter
RF output power
AF input voltage range
Audio input
Microphone socket
Charging time for battery
FM, stereo
see type plate at the base of the transmitter
40 Hz ....... 15 kHz
60 dB A rms
typ. up to 10 mV
50 mV ....... 5 V
3.5 mm jack, stereo/mono
2.5 mm jack, mono
approx. 4 h
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