Sennheiser SK 500 G2

RF characteristics
Modulation wideband             FM
Frequency ranges                   518–554, 626–662,
740–776, 786–822,
830–866 MHz
Transmission frequencies       8 channel banks with up
to 20 factory-preset
channels each
1 channel bank with up to
20 freely selectable
channels (1440
frequencies, tunable in
steps of 25 kHz)
Switching bandwidth               36 MHz
Nominal/peak deviation          ± 24 kHz / ± 48 kHz
Frequency stability                  ≤ ± 15 ppm
RF output power at 50 Ω typ. 30 mW
 
AF characteristics
Noise reduction system          Sennheiser HDX
AF frequency response           40–18,000 Hz
S/N ratio (at 1 mV and peak    ≥ 110 dB(A)
deviation)
THD (at nominal deviation       ≤ 0.9 %
and 1 kHz)
Max. input voltage                   Microphone 1.8 Vrms, unbalanced
(at peak deviation)                  Line 2.9 Vrmsf
Input impedance
Microphone                 10 kΩ, unbalanced
Line                             1 MΩ
 
Overall unit
Temperature range                 – 10 °C to + 55 °C
Power supply                          2 AA size batteries, 1.5 V or BA 2015 accupack
Nominal voltage                      2.4 V
Max. power consumption at nominal voltage                         ≤ 170 mA
Power consumption with switched-off transmitter     ≤ 250 μA
Operating time (with batteries)                                  ≥ 8 h
Operating time (with BA 2015 accupack)                   ≥ 8 h
Dimensions                             [mm] 82 x 64 x 24
Weight (incl. batteries)           pprox. 158 g