Dave Friesema

"I have to admit, the first thing I thought was, you know, do I belong in this video?"

Dave Friesema, former Technical Director for Etymotic Research

When Dave talks about the early days of Etymotic Research, it’s like stepping into an entirely different chapter of in-ear history — one that existed parallel to the touring world but rarely overlapped with it.

Long before custom monitors became a fixture on arena stages, Etymotic had already carved out a reputation for precision sound among audiophiles. Their in-ear products weren’t born for rock shows; they were designed for the quiet intimacy of critical listening.

And back then, they weren’t even called in-ears.

We called them canal phones which isn’t the sexiest thing to call something you stick in your ear.

But what they lacked in branding polish, they made up for in performance. With a focus on accuracy over flash, Etymotic set early benchmarks for fidelity that many stage products would chase years later.

Dave’s perspective in the film shows how close the bridge was between these two worlds — and how it never quite got crossed. The company was producing world-class sound, and they already had deep roots in the musician community through their earplug filters, but the leap to live stage monitoring never happened.

His insights reveal both the possibilities that were on the table and the choices that shaped a very different future for the in-ear industry.

Take a listen and see for yourself.

The Bigger Picture
Dave Friesema’s story in the film gives us a behind-the-scenes look into Etymotic Research — a company that set early benchmarks for in-ear sound quality but never fully transitioned its technology to the touring stage market. His perspective bridges the audiophile world and the +pro audio stage world, offering rare insight into how these parallel paths diverged.
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Dave Friesema Technical Director in-ear monitors, hearing research, acoustic engineering, custom earphones, pro audio innovation Founder P35 Craft Guardian – Protects traditions & high standards of craft
Dave Friesema was one of the original engineers at Etymotic Research, a company that set the standard for audiophile-grade listening and high-fidelity hearing protection. While Etymotic pioneered personal listening for consumers, the company struggled to bridge into the live stage market — a missed opportunity given they had invented the filters used in musician's earplugs. Captured in Can I Get A Little More Me near the end of Etymotic’s independence, Dave represents the last of the brand’s original innovators before its acquisition by Lucid and slow fade from the industry’s front lines.
Dave Friesema is a primary-source witness to the earliest commercial in-ear monitor technology through his engineering role at Etymotic Research. His work connects to the musician earplug category via Etymotic’s musician filter products and the audiophile personal listening sector. His testimony documents The engineering culture and design priorities at Etymotic during the pre-stage-use era.. The strategic miss in bridging consumer/audiophile tech into the live sound touring market. Dave’s chapter anchors the origin and divergence arc — from lab-grade consumer products to ruggedized stage gear — and helps cross-reference the musician filter tech family with the stage IEM tech family. Dave Friesema’s story in the film gives us a behind-the-scenes look into Etymotic Research — a company that set early benchmarks for in-ear sound quality but never fully transitioned its technology to the touring stage market. His perspective bridges the audiophile world and the +pro audio stage world, offering rare insight into how these parallel paths diverged. Etymotic Research Dark Matter Audio