Loco Sound Effect Modules
Fully built and tested analogue electronic modules, for simulating steam whistles, steam chuff, two-tone diesel horns, and diesel engine sounds.
Available in 12V and 24V dc versions, for use inside larger gauge locos (O, 1, G, etc.) or free-standing on a layout.
A small amount of hook-up wire is required for installation.
Supplied with full instructions.