Best Switches for AV over IP Systems: What to Look For

The shift toward networked audio visual solutions has revolutionized how integrators design and deploy AV systems. AV over IP Systems, which distribute audio, video, and control signals over standard network infrastructure, are now the backbone of modern meeting spaces, digital signage networks, entertainment venues, and control centers. At the core of these systems lies a critical component that determines their success—the network switch. Choosing the right switch can make the difference between a high-performing, reliable AV setup and one plagued by latency, jitter, or dropped signals. In this blog, we will explore what to look for in switches for AV over IP Systems and how to select the best option for your next project.

Why the Switch Matters in AV over IP Systems

In traditional AV systems, dedicated cabling runs directly connected sources to displays or speakers. But in AV over IP Systems, every signal travels across a shared network infrastructure. The switch acts as the traffic controller, managing data packets from encoders to decoders and ensuring smooth, synchronized delivery of audio and video streams.

A poorly chosen switch can result in bottlenecks, increased latency, or even complete signal loss. On the other hand, the right switch will provide the bandwidth, reliability, and features necessary for a seamless AV experience.

Key Features to Look for in a Switch for AV over IP Systems

1. Bandwidth Capacity

The switch must support the bandwidth demands of your AV over IP System. Uncompressed or lightly compressed 4K video streams, for example, require much more bandwidth than compressed H.264 or H.265 streams. A switch with 10GbE (10 gigabit Ethernet) ports is typically recommended for high-resolution or low-latency applications like SDVoE systems. For more compressed formats, 1GbE may suffice, but ensure the switch can handle all streams simultaneously without congestion.

2. Multicast Support

AV over IP Systems often use multicast to distribute video and audio efficiently to multiple destinations. Look for switches that support Internet Group Management Protocol (IGMP) snooping and querier functions. These features help ensure that multicast traffic is delivered only where needed, preventing unnecessary data from flooding the network.

3. Low Latency Switching

In live environments or interactive applications, latency can significantly impact the user experience. Choose switches that are designed for low latency and minimal jitter. Enterprise-grade switches from trusted manufacturers usually provide the performance required for demanding AV tasks.

4. Quality of Service (QoS)

Quality of Service settings allow you to prioritize AV traffic over other types of data. A good switch for AV over IP Systems will let you configure QoS policies to ensure that audio and video streams take precedence over non-essential network traffic. This helps maintain consistent performance, even when the network is under load.

5. Non-Blocking Architecture

A non-blocking switch can handle full traffic loads on all ports simultaneously without any loss of packets. This is essential in AV over IP Systems where multiple high-bandwidth streams might need to pass through the switch at the same time.

6. PoE (Power over Ethernet) Options

Some AV devices, such as encoders, decoders, cameras, and control panels, can be powered via PoE. Selecting a switch that offers PoE or PoE+ capabilities can reduce cabling complexity and installation time, especially in spaces where power outlets are limited.

7. Managed vs. Unmanaged

For AV over IP Systems, a managed switch is generally preferred. Managed switches provide advanced configuration options, monitoring tools, and network diagnostics that help integrators fine-tune performance, detect problems, and ensure security. Unmanaged switches may work for very simple setups but lack the control needed for most professional AV deployments.

8. Reliability and Redundancy

Look for switches with redundant power supplies, fan modules, and failover features. AV over IP Systems often support mission-critical applications, and having hardware that minimizes downtime is a smart investment.

Popular Switch Brands for AV over IP Systems

Here are some switch brands and models frequently recommended for AV over IP applications:

• Netgear M4300 / M4500 Series: These switches are widely used in AV over IP projects. They offer 10GbE ports, multicast support, QoS, and are pre-configured with AV-friendly settings in some models.

• Cisco Catalyst Series: Known for reliability and robust management features, Cisco switches provide excellent multicast handling and network security features suitable for complex AV over IP Systems.

• Arista Networks: Arista switches deliver low latency, non-blocking performance, and high port density for large-scale AV deployments.

• HP / Aruba: HP’s enterprise switches provide good value with features like multicast optimization, QoS, and flexible management options.

• Extreme Networks: These switches offer solid multicast performance, PoE support, and advanced management features suitable for AV over IP Systems in large venues.

Best Practices for Choosing and Configuring AV Switches

• Match the switch to the AV protocol. If you are using SDVoE or other uncompressed systems, a 10GbE switch is a must. For compressed streams like H.264 or NDI, 1GbE may be enough.

• Plan for growth. Choose switches with room for expansion. AV over IP Systems often grow as client needs evolve.

• Segment your network. Consider setting up a dedicated VLAN for AV traffic to isolate it from general data traffic and improve performance.

• Test the network. Before going live, use network testing tools to verify that the switch handles AV streams without packet loss or jitter.

• Work with experienced IT staff or partners. AV over IP is where AV and IT worlds meet. Collaboration ensures a reliable and secure deployment.

Conclusion

Selecting the best switch for AV over IP Systems is a critical step in designing high-quality, reliable networked AV solutions. By focusing on features like bandwidth capacity, multicast support, low latency, QoS, and management capabilities, integrators can ensure that their AV systems deliver the performance clients expect. As AV over IP continues to shape the future of audio visual technology, making the right switch choice will be more important than ever.