Justin has traveled the world as a location sound mixer with extensive documentary/reality, narrative, political campaigns and corporate experience.




There’s nothing better than working with good people. Call or message 207-891-8268 or email jlacroix@waveswarm.com

About Justin

Justin has traveled the world as a location sound mixer from his home in southern Maine to Japan, remote Fiji, the South Pacific, South America, the Caribbean and throughout Europe working with with National Geographic, CBS, HBO, HGTV, VICE, MTV, MSNBC and many others on sets big and small. He is a detail oriented, creative problem-solver, producing quality sound recordings in challenging environments. Justin has extensive documentary/reality, narrative, political campaigns and corporate experience. Always on time, ready to work, and easy to be around teamed with situation awareness and adaptability make him a valuable asset on any set. Find out why he has been trusted with location audio on so many quality productions.

WaveSwarm / Justin Lacroix : Production Sound Mixer and Location Audio


Sound Devices 833 multitrack recorder
Sound Devices MixPre6 and 633 backup recorders
Lectrosonics SRC Dual receivers (3) for 6 channels of wireless
Lectrosonics SMDWB Transmitters (3)
Lectrosonics SMWB Transmitters (3)
Sanken cos 11 mics for wireless
Sennheiser MKH 50
Sennheiser MKH 416
Tentacle Sync timecode systems
Lectrosonics UCR 100 camera hops (2)
Denecke TS-C smart slate
Lectrosonics R1a IFB systems (4)
Sennheiser md46 stick mic
Lectrosonics HMa plug on Transmitter
Sennheiser AMBEO ambisonic mic.

I can provide production with any kit rental desired.

Additional gear available upon request.


Twenty years ago a small group of farmers and farm advocates started talking about this idea: that farmland, and farming, matter and should be protected. Soon, that little seed of an idea took root, and Maine Farmland Trust began as the first and only land trust in Maine dedicated to protecting farmland and supporting farmers. Produced in partnership with Knack Factory for Maine Farmland Trust’s 20th Anniversary.Read More →


Interview with Michael The Sound Guy: Justin Lacroix is a production sound mixer based out of southern Maine. He’s worked on the reality TV show Survivor and on projects for MTV, Nat Geo, HBO and Vice. He uses a Sound Devices 633 mixer/recorder, Lectrosonics SRc wireless receivers, Lectrosonics SMWBs and SMDWBs wireless transmitters, Sanken COS-11 lav mics, Sennheiser 416 shotgun mics and Sennheiser MKH-50 for interiors. Justin also uses Tentacle Sync time code boxes.Read More →

Kyrie Irving in Beyond Meat

I really enjoy working with pro athletes. They are extremely focused and eager to provide the best quality during a shoot, which is also my approach with location audio.Read More →

During this week-long shoot in Japan, we went from Tokyo to Okayama which included the hottest day in Japan’s recorded history at 106 degrees (41.1 Celsius). I have invested in the best gear on the market because it can withstand the change in environment – even with extreme temperatures and high humidity in rural Japan on a fishing boat my equipment functioned flawlessly.Read More →

This long walk and talk required highly skilled boom control. The jump was recorded using the onboard recorder in a Lectrosonics SMWB Transmitter strapped to the talents chest with a Viviana strap. Read More →


This project took me to Peru, Brazil, and Japan in a matter of weeks. Overcoming language barriers and navigating foreign countries isn’t for everyone. I have become accustomed to it and get the job done.Read More →