Our Collaborators

Yulong Zhang

I am a radio enthusiast and a professional electronic engineer, engaged in electronic hardware design and development.

Mohil Gupta

I’m originally from Maryland and went to University of Maryland for undergrad. I’ve always been into creating things — whether that’s businesses, random side projects, or just cool ideas with frien...

Zeos

Zeos is an audio reviewer who has existed on Youtube and Reddit for over a decade, amassing over a quarter million subscribers and currently running both a dedicated IEM and general audio review ch...

Geno & Sherri Geshelli

Bio We’re Geno and Sherri from Geshelli Labs. Our little company is thrilled to be part of the Apos family. It’s been a long time coming to get to this point. We first spoke to John and Kunal back...

Lachlan Fennen

BIO Hey there, I’m Lachlan!  I'm the guy behind Passion for Sound on YouTube and Instagram. With a background in music, tech, and a degree in hearing and speech, I break down the world of audio ge...

Matthew Jabloner

Crackle finish periwinkle amplifier, anyone? Or maybe knobs that only reveal control markings when you touch the amplifier? Or how about an amplifier with a built-in mini-projector? Or how about….o...

Jeffrey Yin

Jeffrey Yin the founder of SJY Audio, a brand dedicated to high-fidelity headphone design and sound innovation. With a passion for music across all genres, I combine technical expertise with artist...

Andy Cook

BIO I’m Andy, named after the iconic sheriff of Mayberry Andy Griffith. My true priorities are quite simple: being a great father and husband. That's the legacy I truly care about. Beyond that, I'm...