Award winning FM Rebroadcast Reliability with the Inovonics AARON 656

At NAB 2026, one of the more practical pieces of broadcast technology on display came from Inovonics. The new AARON 656 FM rebroadcast receiver has just picked up an industry award from Radio World, and after seeing it in action, it’s not hard to understand why.

This is not a product built around flashy features. It is built around solving a very specific problem that broadcasters deal with every day, maintaining a clean, stable FM signal in environments where reception is far from perfect.

Moving beyond traditional antenna switching

Most rebroadcast receivers that use dual antennas rely on a simple approach. They switch between one antenna and the other, depending on which signal looks stronger at the time. It works, but it is not always optimal.

The AARON 656 takes a different approach by implementing what is known as Maximum Ratio Combining, or MRC.

Instead of choosing one antenna, the receiver evaluates both inputs and creates a combined signal. It constantly adjusts how much of each antenna it uses, depending on which combination delivers the best result. That might be heavily weighted toward one antenna, or it might be a blend of both.

In practical terms, this leads to two key improvements. First, you get a small but meaningful lift in signal strength. Second, and often more importantly, you reduce multipath interference, which is one of the main causes of distortion in FM reception.

For broadcasters operating in fringe areas, built-up environments, or difficult terrain, this is where the real value sits. It is not just about a stronger signal, it is about a cleaner and more stable one.

Integrated processing where it matters

Another area where the AARON 656 stands out is its built-in audio processing. Rather than relying on external hardware, the unit includes a powerful internal processor with multi-band compression and parametric equalisation.

This gives engineers the ability to manage levels and shape the audio directly within the receiver. It simplifies system design and reduces the need for additional equipment in the signal chain.

In smaller installations or remote sites, that kind of integration can make a significant difference to both cost and reliability.

Designed for modern redundancy

Broadcast systems today are rarely built around a single signal path. Redundancy is expected, and the AARON 656 reflects that.

In addition to traditional off-air rebroadcast, the unit supports streaming inputs. More importantly, it allows you to define how those sources interact.

You can run streaming as the primary source and fall back to off-air if needed, or do the reverse. That flexibility means the receiver can be adapted to suit different network designs and operational priorities.

It also includes internal memory for backup audio. If both primary and secondary sources fail, the unit can continue playing stored content. This is a simple feature, but in practice it can be the difference between dead air and maintaining a service.

Maintaining consistency through failover

One of the more subtle challenges in broadcast is maintaining a consistent sound when switching between sources. Differences in processing can make transitions obvious to the listener.

The AARON 656 addresses this by allowing different processing profiles to be configured for different inputs. When a failover occurs, the output maintains a consistent audio character.

It also handles RDS in a practical way. Metadata can be derived from backup audio files, ensuring that station identification and other information remains accurate even during fallback scenarios.

A practical step forward

The AARON 656 is not trying to reinvent FM broadcasting. What it does is refine and improve the parts of the workflow that matter most, signal quality, redundancy, and operational simplicity.

For engineers and operators, the benefit is clear. You get a receiver that is more resilient, easier to deploy, and better suited to the realities of modern broadcast environments.

Whether you are working with translator sites, regional networks, or backup transmission paths, this is the kind of incremental improvement that delivers real-world value.

Final thoughts

At NAB 2026, there was no shortage of new technology on display. The AARON 656 stands out because it focuses on doing one job well and doing it better than before.

Cleaner signal handling, integrated processing, flexible redundancy, and consistent output all add up to a more reliable broadcast chain.

If you are planning upgrades to your FM rebroadcast infrastructure, it is worth taking a closer look at what this unit offers.

To learn more or discuss how this could fit into your network, contact the team at OnAir Solutions at