Commercially available unit; sold via audiologists and best suited for tinnitus.
- features 8 base sounds and 8 overlay sounds
- slide controls for tone and volume; powerful speaker
- optional 60 minute shutoff timer
- external transformer; 6 foot cord (1.83m) with 2.5 x 5.5mm power plug
- size 5.85" wide x 8.75" deep x 3.12" high