ZN Digital Amplifier – Motorsport Intercom & Audio Processing Unit (ClearVoice™ Technology)

The ZN Digital Amplifier is a high-performance motorsport communication and audio control unit engineered for rally, stage rally and off-road competition environments. Fully reengineered for improved durability, usability and audio clarity, it delivers reliable in-car communication in the most demanding conditions.

Now rated IP65, the unit offers strong resistance against dust and water ingress, making it ideal for competitive motorsport where exposure to vibration, moisture and debris is unavoidable.

Built around advanced ClearVoice™ digital processing technology, the amplifier enhances voice clarity while actively reducing background noise in real time, ensuring clear communication between driver and co-driver even in high-noise environments.

Performance & Technology

The ZN Digital Amplifier is designed to deliver stable, high-quality communication under extreme conditions:

• IP65-rated housing for dust and water resistance
• High-performance digital processor with ClearVoice™ technology
• Adaptive noise filtering for improved speech clarity
• Independent adjustment of noise compression and voice equalisation
• Full compatibility with Zero Noise App for remote tuning

ClearVoice™ processing helps isolate voice signals from engine, gravel and wind noise, improving communication accuracy during competition.

Display & Controls

Designed for fast operation under pressure:

• 36% larger display for improved visibility
• High-contrast screen for in-car readability
• Silicone keyboard for enhanced tactile feedback
• Glove-friendly controls for motorsport use
• Dual independent volume controls for driver and co-driver

The improved interface allows quick adjustment without distraction during stages.

Connectivity & Integration

The ZN Digital Amplifier supports full motorsport system integration:

• Audio I/O for radio system integration
• CAN-bus interface support
• RCA output for in-car camera systems
• Panel-mounted Nexus connectors for improved connection stability
• Compatible with all ZeroNoise intercom systems

The upgraded Nexus connector system improves reliability compared to traditional in-line connectors.

Installation & Durability

Built for harsh motorsport environments:

• Anti-shock, anti-vibration silicone housing
• Quick-mount bracket for roll bar or dashboard installation
• 12V filtered power cable included
• Designed for secure installation in rally vehicles

Compatibility

The ZN Digital Amplifier is compatible with:

• All Bell motorsport helmets
• ZeroNoise intercom systems and headsets
• Any helmet system using Nexus connectors

Important Information

Driver and co-driver cables are not included in the ClearVoice™ intercom package and must be purchased separately.

Frequently Asked Questions

What is the ZN Digital Amplifier used for?

It is used for rally and motorsport in-car communication, improving audio clarity between driver and co-driver.

Is it waterproof?

Yes. It is rated IP65, meaning it is resistant to dust and water ingress.

What is ClearVoice™ technology?

ClearVoice™ is a digital audio processing system that reduces background noise and enhances speech clarity in real time.

Can I adjust settings remotely?

Yes. It is fully compatible with the Zero Noise App, allowing remote configuration of audio settings.

Is it compatible with all helmets?

It is compatible with Bell helmets, ZeroNoise systems, and Nexus connector-equipped helmets.

Are cables included?

No. Driver and co-driver cables must be purchased separately.