


3200
delegates
1
day
1
languages
Delivering Scalable Technical Support for Australia’s Premier CRM Conference
For Australia’s premier CRM-focused technology conference, held annually at ICC Sydney, the client sought to deliver six simultaneous breakout sessions within the same open exhibition space. The goal was twofold: minimise delegate movement throughout the venue while delivering a seamless, high-tech audio experience for a tech-savvy audience.
Each session needed to operate as a self-contained presentation zone, with no audio spill between theatres. In addition, each Silent Conference space was required to double as a live-streamed overflow theatre for the main keynote sessions, giving delegates the flexibility to engage with content from anywhere on the floor.
With more than 3,000 attendees expected throughout the day, the solution needed to be scalable, intuitive, and completely immune to interference – while maintaining professional-grade sound quality.
Solution
Silent Conference
Venue
International Convention Centre (ICC) Sydney
Date
28th February, 2025
Integrated Silent Conference Technology for Multiple Simultaneous Sessions
Congress Australia delivered a fully integrated Silent Conference solution using Bosch Digital Infrared technology – selected for its superior wireless audio quality and total immunity to RF interference.
We deployed six standalone Bosch systems, one per breakout theatre, each operating on a separate infrared carrier to ensure complete signal isolation between theatres. Nearly 50 Bosch infrared radiators were strategically installed across the exhibition floor to deliver reliable coverage throughout all seated and standing audience areas.

To streamline access and eliminate distribution bottlenecks, over 3,200 headsets were pre-secured to seats using custom, reusable silicone sleeves. Every receiver was individually tested prior to the event, with dedicated onsite technical support provided throughout the day across all breakout spaces.
Crucially, our Silent Conference solution integrated seamlessly with all event AV suppliers and existing production infrastructure. The use of digital infrared technology eliminated the risk of interference with wireless microphones, stage communications, video feeds, and control systems, ensuring a reliable and disruption-free experience for all stakeholders.

Wired Headphones

Infrared Radiators
Receivers

Congress Australia handled the scale and complexity effortlessly, which made a huge difference on the day.
- AV Manager
Managing Scale, Clarity, and Interference-Free Delivery in an Open Floor Format
Managing over 3,200 headsets
Coordinating headset distribution at this scale had the potential to create significant congestion. Instead, headsets were pre-secured to chairs, dramatically reducing queueing and enabling delegates to enter and exit sessions freely. Each unit was tested in advance, and support staff remained available throughout the day to assist delegates as needed.
Delivering consistent infrared coverage
With nearly 50 radiators required across six large seating zones, infrared coverage needed to be precisely engineered. Our technicians carefully reviewed the event floor plan, truss layout, and audience flow to determine optimal radiator placement, spacing, and coverage angles. Power and signal cabling were pre-packed by zone, allowing for fast deployment during bump-in.
Integrating with multiple teams
The project required coordination across five separate event teams, including venue management, AV, staging, production, and the client’s internal planners. We implemented a centralised project management model led by a dedicated Congress Australia coordinator to oversee communication, planning, and rapid issue resolution throughout the event cycle.
Technical Excellence That Enhanced Delegate Engagement and Experience
The result was a seamless, high-impact Silent Conference experience for thousands of delegates. Attendees enjoyed clear, uninterrupted audio in every breakout theatre, with the added convenience of tuning into keynote sessions from any location on the floor.
The client praised the technical reliability, clean AV integration, and delegate ease of use, noting that the system delivered exactly what was promised: a high-impact, high-tech solution tailored for a demanding event environment.
This project reinforced Congress Australia’s capability to deliver large-scale, interference-free Silent Conference systems with precision, professionalism, and attention to detail.
Interested in learning more about Silent Conference for your next event
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