TRAKWORX Studio - Providing high quality affordable MASTERING, MIXING and RECORDING since 1995.
Email (preferred): justinweis65@gmail.com , phone: (650) 624-8909


Over 35,000 songs mastered.

Trakworx owner/operator Justin Weis has designed the studio to combine analog and digital technologies in ways that bring out the best qualities of each.

A great selection of top equipment, from analog tape, to vintage tube gear, to cutting edge digital technology.

A relaxed, efficient atmosphere that makes the creative process simple and fun. From online mastering to professional mixing to warm and clear recording - Trakworx offers major label quality, priced for the independent artist.

"Mastering at Trakworx was like putting recordings through a giant "awesome button." - Ryan S. - San Francisco, CA

"HIs mastering is on par with studios costing 10 times as much. He has the best and most interesting gear and he is totally ninja with it." - Marc B. - Santa Cruz, CA

"All we can say is that Justin and his studio TRAKWORX exceeded all expectations and blew our frickin' heads off!!" - Zen T. - Los Angeles, CA

CREDITS include: The Circle (Sammy Hagar, Michael Anthony, Jason Bonham and Vic Johnson), Papa Roach, Matt Nathanson, Larry Coryell, Mose Allison, The Tubes, Agalloch, Sleepytime Gorilla Museum, B-Legit, Zion I, The Coup, Andre Nickatina, many more...


  • $40 per song - for songs up to 7 minutes long
  • $50 per song - for songs over 7 minutes long (for songs over 10 minutes long - we'll just work something out)
  • $0   2 free mastering revisions
  • $20 per alternate version of a song (instrumental, vocal only, radio edit, vinyl optimized, etc.)
  • $20 per recall master (remastering a revised mix using the same mastering settings)
  • $40 to master a revised mix if new mastering settings are needed

    RECORDING, MIXING - $60/hr - Includes engineer and studio.

    BEST FORMAT FOR MASTERING: 24 bit stereo wave or aiff files at original sample rate with no clipping and no loudness maximizers. Audio files can be uploaded via dropbox, wetransfer.com or similar service to justinweis65@gmail.com . PayPal or Venmo to same. Thanks!

    Trakworx is located at:
    430 North Canal St #13
    South San Francisco, CA,

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