Description
🎙️ Philips LBB 3500 — Bosch DCN Central Control Unit
+ 19" Rack Mount + Power Cable
Professional Digital Conference System — Used Tested & Functional
🏛️ Product Presentation
The central control unit Philips LBB 3500 (CCU — Central Control Unit) is the heart of the Bosch DCN (Digital Congress Network) digital conference system, originally developed by Philips. It controls all table microphones, interpretation desks, and infrared transmission units within a professional conference setup.
Versatile and robust, this CCU can manage up to 240 microphone units and provides multichannel audio routing for international conferences, plenary assemblies, and simultaneous interpretations. It offers manual and voice-activated operating modes, as well as an integrated automatic equalization system.
This lot is sold in tested and functional used condition, including its 19" rack mount and power cable. An ideal solution to complete, expand, or replace an existing DCN installation.
⚙️ Technical Specifications
📦 Lot Contents
- ✅ 1× Central control unit Philips LBB 3500
- ✅ 1× 19" rack mount (mounting ears)
- ✅ 1× Power cable
📸 Photos are for illustration purposes only. Only the content of the listing is authoritative for the exact product reference and included accessories. If in doubt, please contact us before your purchase.
⭐ Why Buy From Us?
- 🛡️ 30-day warranty — Each product is tested and verified before shipment
- 🚚 Secure and fast shipping with carrier tracking number provided
- 📦 Reinforced and careful packaging to protect professional equipment during transport
- 🧾 Professional invoice with 0% VAT in paper format included in every package
- 💬 Responsive customer service — Contact us with any questions before or after purchase
⚠️ Important Information
- 🖥️ Software exclusion: Compatibility with third-party software (drivers, firmware, management applications) is excluded from our warranty. We recommend verifying software requirements with Bosch before purchase.
- 🔧 No technical support: We do not provide technical assistance for installation, configuration, or integration of the equipment into your DCN system.
❓ Frequently Asked Questions
Q1 — Is the Philips LBB 3500 compatible with all Bosch DCN equipment?
Yes, the LBB 3500 CCU is the centerpiece of the Bosch DCN Digital Congress Network system, originally developed by Philips. It is natively compatible with DCN table microphones, LBB 3520 simultaneous interpretation desks, LBB 3530 discussion units, and LBB 3420 infrared transmitters. This replacement or extension unit integrates into any existing DCN conference room sound system installation.
Q2 — What are the differences between the LBB 3500/05, /15, and /35 variants?
The LBB 3500/05 is the basic model for standalone operation, powering up to 90 units. The LBB 3500/15 adds a RS-232 interface for computer control and supports up to 180 units. The LBB 3500/35 is the multi-CCU version allowing cascading of up to 16 units to manage up to 3,840 microphones simultaneously in large plenary halls and international congress centers.
Q3 — Is this CCU suitable for simultaneous translation and interpretation?
Yes. The LBB 3500 is at the heart of multilingual simultaneous interpretation systems. It manages multichannel audio distribution to infrared or wired receivers and controls interpreter desks. It is a reference device for international conferences, parliaments, government organizations, and supranational bodies. It supports voice-activated modes for dynamic speaker management.
Q4 — Has the used equipment been tested before shipping?
Yes, this used Philips LBB 3500 CCU has been fully tested and verified functional before sale. It may show minor cosmetic signs of use, normal for refurbished professional conference equipment, without affecting performance. For any questions about exact condition or compatibility with your setup, contact us before purchase.
Q5 — Can I expand my DCN setup with additional power supplies?
Absolutely. The Bosch/Philips DCN system is fully modular. The extension power supply LBB 3506/00 powers up to 180 additional units alongside the CCU. The audio interface LBB 3508/00 provides multichannel analog outputs for recording or press feeds. The module LBB 3510/00 offers a PC interface via network card for full software control of the DCN conference management system.
🏆 Professional Seller — Tested Used Audiovisual & Conference Equipment
🚚 Fast shipping with tracking · 🛡️ 30-day warranty · 🧾 Paper VAT invoice included