Sound Devices Sound Devices was formed in 1998 with an emphasis on portable recording equipment. The company is known for its role in the recording of a number of different movies -- including La La Land and Mad Max. Founded:1998Founder(s):Jim Koomar, Jon Tatooles, Matt Anderson Average User Rating 0 0 votes Please sign in to rate. Your Rating 0 Contact Phone Number: +1 (608) 524-0625 Address: Sound Devices, LLC P.O. Box 576 E7556 State Rd. 23 and 33 Reedsburg, WI 53959 Email: email@example.com Online: History History coming soon!