⚙️ Product Introduction
The Bosch LBB 4404/00 is a Praesideo CobraNet Interface module designed for professional public address and conference audio systems. It provides an interface between the Bosch Praesideo digital audio network and CobraNet audio networks over standard Ethernet infrastructure.
The module allows audio channels to be transported between the Praesideo system and external CobraNet-compatible devices. It is mainly used in large-scale audio distribution, conference centers, transportation facilities, public buildings, and emergency voice evacuation systems.
🔧 Key Features
• Bosch Praesideo digital audio system component
• CobraNet audio network interface
• Ethernet-based digital audio transmission
• 4 audio inputs and 4 audio outputs per interface
• Supports up to 64 CobraNet audio channels
• 16 / 20 / 24-bit audio processing
• 48 kHz sampling rate
• Low latency digital audio transport
• 24–48 VDC power supply
• 19-inch rack mounting design
📋 Product Datasheet
• Brand: Bosch
• Model: LBB 4404/00
• Product Type: CobraNet Interface / Audio Expansion Module
• Series: Praesideo
• Main Function: Digital Audio Network Interface
• Network Interface: CobraNet over Ethernet
• Ethernet Standard: IEEE 802.3
• Audio Channels: 4 Inputs / 4 Outputs per Interface
• Maximum CobraNet Channels: 64 Channels
• Audio Resolution: 16 / 20 / 24-bit
• Sampling Rate: 48 kHz
• Audio Latency: 5.33 ms
• Supply Voltage: 24–48 VDC
• Power Consumption: Approx. 10.5 W DC
• Dimensions: 88 × 483 × 400 mm (19-inch rack mounting)
• Weight: Approx. 7 kg
• Mounting: Tabletop or 19-inch rack
• Operating Temperature: Approx. -5 to +55 °C
• Country of Origin: Netherlands / production version dependent
• Application: Public Address, Conference, Emergency Voice System
🏭 Typical Applications
The LBB 4404/00 is used in professional audio installations requiring integration between Bosch Praesideo systems and Ethernet-based CobraNet networks.
Typical applications include:
• Conference and congress centers
• Airports and railway stations
• Stadiums and large venues
• Industrial public address systems
• Emergency evacuation systems
• Multi-zone audio distribution networks
⚡ Audio Network Function
The module converts audio signals between the Bosch Praesideo network and CobraNet Ethernet audio transport. It allows audio channels from external CobraNet devices to be routed into the Praesideo system and enables Praesideo audio channels to be distributed through CobraNet infrastructure.
The device supports digital audio transmission with 16, 20, or 24-bit resolution at a 48 kHz sampling rate, providing synchronized audio distribution with low transmission delay.
🔌 Communication Configuration
The LBB 4404/00 communicates through Ethernet-based CobraNet technology.
Basic configuration steps:
• Connect the Ethernet network cable to the CobraNet interface
• Configure CobraNet channel assignments according to the audio system design
• Set audio routing parameters in the Praesideo configuration software
• Verify input/output channel mapping
• Check network communication and audio signal status
🛠️ Installation Notes
Before installation, verify the complete model number LBB 4404/00, firmware compatibility, Praesideo system version, network configuration, and connected CobraNet equipment.
Install the module in a suitable 19-inch rack or tabletop position with sufficient ventilation. Connect the 24–48 VDC power supply and verify network connections before startup.
After powering on, check system diagnostics, Ethernet communication status, audio channel routing, and signal output levels. Perform a complete audio test before placing the system into operation.
📦 Ordering Information
Please confirm the exact part number Bosch LBB 4404/00 before ordering. This module belongs to the Praesideo audio-network family, and similar Bosch LBB-series devices may have different functions, such as audio expansion or interface-only functions.
The referenced marketplace listing identifies the item as Bosch LBB 4404/00 Audio Expander Power Amplifier LBB4, while Bosch technical documentation identifies this model as a CobraNet Interface module.
*Dimensions, weight, and electrical specifications are reference values based on available Bosch technical information and may vary slightly by hardware revision.
