Welcome to Immersive Mastering

Justin Gray – Chief Mastering Engineer

Juno Award

Bassist, Producer, and Mastering Engineer for the 2022 Juno Award-Winning Jazz Album of the Year: Group, for Avataar's Worldview.

I am dedicated to delivering the highest quality masters. I strive to create masters that enhance your mixes and provide inspiring playback for listeners in all environments. I am focused on providing masters that feature pristine clarity, engaging dynamics, and appropriate loudness levels, so that your music reaches its highest potential.

Learn More

I have extensive experience mastering music in the Dolby Atmos format. The Immersive Mastering studio is Dolby certified, and equipped with a mastering grade playback system (9.1.4).

Learn More

I have extensive experience mastering music in the Sony 360RA format. The Immersive Mastering studio is Sony certified, and equipped with a mastering grade playback system (13.0).

Learn More

I have experience mastering music in a wide range of musical styles, for artists, producers and major labels from around the world. Whether your music needs to be released on digital streaming platforms, CD, Vinyl, Blu-ray or film/TV, I have the experience and tools required.

Listen to Samples

The Immersive Mastering studio is a custom designed sonic environment with pristine analog and digital signal paths. The studio is equipped with a collection of dedicated analog and digital mastering tools, in order to ensure the highest audio standards. The Immersive Mastering studio is Dolby Atmos and Sony 360RA certified, and equipped with mastering grade playback systems, which have been tuned by Dolby and Sony technicians.

See Photos & Gear

As an engineer with years of experience mixing, producing, and recording, I understand what is needed from a mastering engineer. At Immersive Mastering, I strive to maintain quick turnaround and strong communication with all of my clients.

Contact Immersive Mastering

The mastering process is an inspiring opportunity to refine your music so that it is ready to be shared with the world. I look forward to working together.

— Justin Gray

Primacoustic logo
Radial Engineering logo
Audeze logo
D'Addario logo
Dolby ATMOS logoDolby ATMOS logoApple Digital Masters logoHi-Res Music logo



  • Justin is the only engineer I will let master my mixes. He makes me sound like a million bucks!! His knowledge of the dark arts is deep, and his communication skills are world class. Whether it’s multi-channel immersive audio or vinyl mastering this is THE guy. Robbie Grunwald
  • Justin’s mastering treatment of any material is always tasty and subtle, bringing spaciousness, focused bottom and smooth details to put the final polish on any mix. Ed Hanley
  • I have had multiple singles, EP's and albums mastered by Justin and I've definitely found my lifetime mastering engineer. Justin always takes his time with every project I bring to him, whether it's a personal project of my own or for a client of mine, Justin treats everything with care as if it were his own. Justin's mastering always gives my work the shine, depth and warmth it needs. Nathaniel Wolkstein
  • I have come to Justin with music from various genres, spanning the spectrum and have always been blown away by Justin’s treatment and understanding of nuisances of a wide range of music — he makes everything sound better. Qais Essar
  • Working with Justin has been a great experience. I don't let any song releases go live without Justin's magic touch. Arianna O’Dell
  • Justin Gray did a fantastic job mastering my third album, "Traces." He added that final sheen, making the strings sound lush and full. I'm very happy with the final product! Jessica Deutsch
  • Justin's careful attention to detail, experienced set of ears, and easy demeanor make him a mastering engineer of the highest quality. Highly recommended! Joel Schwartz
  • Justin is a true audio expert with an exceptional ear I know that I can trust. Justin mastered my album to optimum finesse, great care and with respect for my vision. I would not hesitate to re-contract and recommend and his services. Benjamin Barille
  • I was thrilled to hear my new album on vinyl. I had already heard the master on CD and loved it. Then, when I heard the vinyl, I was moved to tears. Justin handled the whole process like the pro that he is attending to every detail with skilled attention. What he delivered in the end is the art that we worked on together elevated to an incomparable and exquisite listening experience. Aviva Chernick