John Belthoff

Professional Audio Engineer | Live Sound Specialist | AV Systems Integrator

Delivering exceptional sound and systems design across broadcast, studio, and corporate environments.

Precision. Performance. Versatility.

Live Sound Mixing - Calrec, Allen & Heath, Yamaha, Behringer
Studio & Broadcast Audio Engineering
Dante, AV-over-IP, Digital Signal Flow
Systems Design & Troubleshooting
Crestron Programming & Control Integration
Musical Insight - Guitarist, Jazz Musician
C# / SQL Developer - Workflow Tools & Automation

Based in NJ/NYC - Available for remote and on-site roles.

Selected Work

Studio Engineering - NYC Broadcast Studio
Studio Engineering - NYC Broadcast Studio
A1 Live Sound - Corporate Event
A1 Live Sound - Corporate Event
System Integration - Custom AV Install
System Integration - Custom AV Install

About John

John Belthoff portraitI've worked at the intersection of sound, technology, and creativity for over 20 years—supporting world-class talent, critical broadcast infrastructure, and high-stakes live environments. Whether I'm mixing a live panel, troubleshooting a signal chain, programming a control system, or designing a workflow from scratch, my approach stays the same: precision, reliability, and total immersion in the craft.

From corporate stages to cutting-edge studios to backstage racks, I bring a rare blend of artistry and engineering—always ready to adapt, lead, and deliver.

Let's Work Together

Whether you're looking for an A1 for an upcoming event, need systems support on a critical install, or want to collaborate on something creative—I'm always open to conversations that align skill and soul.

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