Rough Diesel Idle Sound Circuit Color_Blue "What do I need to

"What do I need to run this circuit

This 12 volt charger Transformer is one of the newer "switching adapters" which regulates the output voltage without all of that heat the older adapters can produce

25 inches apart

Now you can use the quick connector to easily switch from 3 volt wall adapter to AA battery pack and back

Rough Diesel Idle Sound Circuit Color_Blue "What do I need toTruck Engine Sound Effect Circuit Add this rough diesel idle engine sound effect to your model semi trucks, tow trucks, excavators, tractors, and more heavy diesel vehicles! This idle sound circuit has a compact design allows you to discreetly place it into your model vehicle, or amidst your landscapes or diorama to create a great soundscape to enhance the overall realism and experience of your model, layout, or diorama. Make your truck come alive!