With the battery Y-cable the sound modules USM-RC and USM-RC-2 can be connected to the battery and the speed controller.

Three plug connector types are available:

Version 1 with Tamiya plug connectors, version 2 with Deans plug connectors and version 3 with Tamiya and Deans plug connectors.

The supply cable comes with an additional fuse holder with a 4 A fuse.