Sennheiser HD400 Instructions For Use Manual page 71

General data
Connecting cable
Weight without cable
Power supply for NoiseGard™
Current consumption
Fuse
Connectors
Controls
Temperature range
Operating time Battery pack
HMEC 305 HMEC 305-C
1.5 m, unilateral
370 g
12–35 V DC
27 mA (zero signal current), max. 80 mA
500 mA thermo fuse
XLR-5 for headphones, XLR-5 for headphones
microphone and and microphone.
NoiseGard™ XLR-3 for NoiseGard™
On/off switch for NoiseGard™
Volume control for headphones
Operation –15 C ... + 55 C
Storage –55 C ... + 55 C
with batteries (four 1.5 V AA size alkaline-manganese batteries): approx. 15 hours
with rechargeable batteries: approx. 3 hours
HMEC 322 HMDC 322
coiled cable, unilateral
U-174/U jack plug for headphones and microphone,
XLR-3 for NoiseGard™
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