Sennheiser SET 900 - 07-08 Instruction Manual page 36

Specifications
NT 13 mains unit
Nominal input voltage
Mains frequency
Max. power consumption 2.4 W (incl. battery charging)
Nominal output voltage
Nominal output current
Standby consumption
Ambient temperature
The devices comply with the following standards:
Europe
USA
Canada IC
32
100 V~ to 240 V~
50–60 Hz
13.5 V DC
500 mA
approx. 0.9 W
(w/o battery charging)
+5°C to +40°C
EMC: EN 55013, EN 55020
Safety: EN 60065, EN 61558, EN 60950
47CFR15_B
ICES-003