Great Sound Helps Inspire

MACK SOUND SERVICES delivers outstanding services to clients in need of fantastic sounding audio for digital media.

Service provider Sein Mackay is an independent Sound Engineer, Editor, Designer and Music Producer with 20 + years experience in sound and music production.


As a Mastering Engineer, Audio Post Production Expert and Sound Technician  Sein specializes at finalizing audio and preparing it for optimal playback with excellent sound.

"Consistent audio is paramount for a great sound experience and that is what I live to deliver. For excellent final sound with tailored services, send me a message now about what you need to get started."

Here are things clients say about

TOP RATED SERIVCES Sein can help you with.

5 Sein is amazing! Always a pleasure to deal with, and went above and beyond.

Editing and Optimization:  Voice Over Cleanup

5 Sein did an outstanding job with enhancing our livemusic-clips. He always was way before deadline, very constructive in the process and delivered more than expected. Will hire him again, no doubt!

Audio Enhancement and Mastering:  Live Music Clips for Music Group Promo

5 Sein is our ultimate sound engineering ranger, audio problem solver and simply #1, would give 6/5 stars if I could!

Audio Editing and Mastering:  Mobile Application

5 It was a pleasure working with Sein! I would highly recommend him!

Audio Editing, Dialogue Optimization, Mixing, Mastering:  Webinar

5 Once again, fantastic job. Meets high standards in a professional working environment: very productive, constructive communication, ahead of time, willing to go the extra-mile and great quality. With his pro-active attitude Sein made the job (which had a very tight deadline!) a fun process - we even had time to check several variations to get the best possible results. Highly recommended!

Mixing and Mastering:  Audio for Music Group Promotional Video

★★★★★   TOP RATED   Upwork Freelancer

JOB SUCCESS 100% - Working Remotely


"..Every sound has its own story and great sound helps to inspire. 

That is why I am here to help you deliver an excellent sound experience.."

© Séin Mackay 2017-2020, All rights reserved.