Servonaut SMB Electronic Sound Module for Excavator Models

Servonaut SMB Electronic Sound Module for Excavator Models Designed specifically for excavator models, the Servonaut SMB sound module delivers dynamic, realistic audio effects to enhance your RC experience. Developed in collaboration with Damitz Modelltechnik, this module recreates authentic sounds including engine starter, horn, track drive, upper carriage gear movements, and hydraulic operations. Features: Dynamic, multi-layered sound playback tailored for excavators Includes starter, horn, track drive, gear rotation, and hydraulic sounds Operates on 7.2 to 12V power supply—no additional battery required Maximum output of 3W with an 8 Ohm or higher speaker Built-in volume control for easy sound adjustment Compact dimensions: 55 mm x 28 mm x 13 mm Compatible with Servonaut HS12, Brixl, Blauzahn, and ScaleART Commander radios Important:Requires two exclusive receiver channels and one free mixer per valve function (track drive, swiveling, starter/horn). Not compatible wi