Functions
• Audio signal automatically muted when signal is too
low, ensuring that the user receives only high quality
audio
• Can be used with disposable batteries (2x AA alkaline
batteries, not included) or environmentally-friendly
NiMH rechargeable battery pack LBB 4550/00, (not
included)
• No power used when headphone is disconnected
• Clip for easy wearing
• Measurement mode for easy checking of radiator
coverage
• Attractive and stylish design
• Up to 200 hours operation with alkaline batteries
• Up to 75 hours operation with battery pack
• Recharges from empty to full capacity within 1 hour
and 45 minutes
Technical specifications
Electrical
IR irradiance level 4 mW/m2
per carrier
Angle of half sensitivity ± 50°
Headphone output level at
2.4 V
450 mVrms (speech at maximum
volume, 32 ohm headphone)
Headphone output frequency
range
20 Hz to 20 kHz
Headphone output impedance 32 ohm to 2 kohm
Max. signal-to-noise ratio 80 dB(A)
Supply voltage 1.8 to 3.6 V, nominal 2.4 V
Power consumption at 2.4 V
(battery voltage)
15 mA (speech at maximum volume,
32 ohm headphone)
Power consumption (standby) < 1 mA
