Technical data – Sennheiser 500643 User Manual
Page 17
16
Technical data
Converter principle
dynamic, closed
Coupling to the ear
circumaural
Transmission range
8 – 28,000 Hz
Rated impedance active/
passive
750/150 Ohm
Sound pressure levels at
1 kHz and 1 volt
108 dB SPL
Harmonic distortion at
1 kHz
0,1 %
Cable plug
3.5-mm stereo plug
Inflight adapter
2 x 3.5-mm mono plug
Audio adapter
6.3-mm stereo plug
Cable length
1.4 m
Weight without cable
and battery
275 g
Voltage battery/
rechargeable battery
(Micro/AAA)
1.2 – 1.5 V
Passive sound insulation
≤ 32 dB
Sound compensation
by NoiseGard
≤ 23 dB
PXC450_517600_0806_SP6.book Seite 16 Donnerstag, 13. September 2007 10:26 10
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