Bosch LBB4540/32 Integrus Pocket Receiver, 32 Channel
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Condition: New
Description
Bosch LBB4540/32 Integrus Pocket Receiver, 32 Channel
These ergonomically designed pocket receivers incorporate the latest electronics technology - including a specially designed IC - to ensure maximum performance and a long battery lifetime. The pocket receivers can be used for both language and music distribution.
Key Features
- Specially-designed IC for maximum performance and a long battery life time
- Recharging electronics integrated in the chip, ensuring optimum charging performance
- 2-digit LCD display with battery and reception status indication
- Number of available channels is always the same as the number of channels in use by the system, eliminating the need to scroll through unused channels
Technical Specifications
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
Dimensions (H x W x D)
155 x 45 x 30 mm(6.1 x 1.8 x 1.2 in)
excluding battery
75 g (0.16 lb)
including battery
125 g (0.27 lb)
Color
Charcoal with silver
Installation / Use Cases
- Use as a 32-channel Integrus pocket receiver for language distribution.
- Use as a pocket receiver for music distribution.
- Suitable for conference systems where users need battery and reception status indication on a 2-digit LCD display.
- Use in systems where the number of available channels matches the number of channels in use, reducing the need to scroll through unused channels.
Package Contents
- Bosch LBB4540/32 Integrus Pocket Receiver, 32 Channel
Frequently Asked Questions
What is the Bosch LBB4540/32 used for?
The LBB4540/32 is a 32-channel Integrus pocket receiver for language and music distribution in infrared conference audio systems.
When should the 32-channel version be chosen instead of the 8-channel version?
The 32-channel version is better suited for larger multilingual systems where more interpretation or audio channels may be required.
How does the receiver reduce confusion for attendees?
The receiver only presents the channels being used by the system, so attendees can avoid scrolling through unused channels.
What does the LCD display help users monitor?
The 2-digit LCD display shows battery and reception status, which is useful for both attendees and event staff during conferences.
What headphone output level does the LBB4540/32 provide?
At 2.4 V, the headphone output level is 450 mVrms for speech at maximum volume with a 32 ohm headphone.
What supply voltage does the receiver use?
The receiver operates from 1.8 to 3.6 V, with 2.4 V as the nominal voltage.
