The TC-40G is identical to the TC-20G, aside from having 40 add-on buttons instead of 20 and being larger. Its dimensions are as follows:
| Height | Width | Depth |
| 3-13/16" (97mm) | 11-13/16" (300mm) | 9" (230mm) |
The TC-40G is identical to the TC-20G, aside from having 40 add-on buttons instead of 20 and being larger. Its dimensions are as follows:
| Height | Width | Depth |
| 3-13/16" (97mm) | 11-13/16" (300mm) | 9" (230mm) |