Big Sound Modules

BIG Sounds from GREENWAY PRODUCTS bring your layout to life. Select hundreds of different BIG Sounds modules and add the dimension of sound to the scenes on your model railroad.

These sound module are 1.4" X 2.3" X .4" circuit boards that consists of a voltage
regulator, a sound chip, with a
built in 1/2 watt amplifier for prototypical sound near
the event,
a volume control, and terminal strips. (Requires any size 8 ohm speaker.)

These modules have a maximum play time of 60 seconds depending on the
scenario programmed into them, and can be played one time, or continuous looping
until turned off.


Click on any sound board below to sample the recorded sound.


Note: Power Supply (available here) not included. The speaker is shipped with module.