Overview
The 4030 are listenonly beltpacks with two and one channels, respectively. The 4030 contains electronics to provide a stereo audio signal to the user.
Specifications
| Color | Grey |
| Depth | 1.8" (45.7 mm) |
| Form Factor | Beltpack |
| Height | 1.5" (38 mm) |
| Weight | 10.58 oz (300 g) |
| Width | 3.75" (95.3 mm) |