We will be attending Prototype Rails on January 6-8, 2022, in Cocoa Beach, FL. If you’re in the area, or already planning to attend, please take in some great clinics and stop by our tables and say hi. Hope to see you there! Note: Shipping of orders received Jan 5-17 may be delayed. Normal operations should resume Jan 18.

SoundBytes Crossing Bell



The SoundBytes Crossing Bell is a simple, fully self-contained sound module that plays a grade crossing bell sound.


  • Prototypical crossing bell sound
  • Integrated speaker & volume control
  • Easy to install and use
  • Ideal for adding sound to grade crossings
  • Powered from 5V to 24V
  The Western-Cullen-Hayes 777 version is a great complement to the HO-scale model from Scotty's Model Shop!

Sound Samples

Generic Crossing Bell

Safetran (Mechanical)

Safetran (Hybrid)

Union Switch & Signal Teardrop (Mechanical)

Western-Cullen-Hayes 333 (Mechanical)

Western-Cullen-Hayes 777 (Electronic)

Western Railroad Supply Type 222 (Mechanical)

Electrical Connections

The SoundBytes module needs 5-24 volts of clean direct current (DC) power to operate.  Connect the white wire to GND to activate the sound.  Leave the white wire disconnected to turn the sound off.

Red Wire = 5V to 24V
Black Wire = GND
White Wire = GND to activate (Do not exceed 3.3V on the white wire!)


1.25"(L) x 1.25"(W) x 1.25"(H)


The complete gEDA design files are available on GitHub.


  • $19.00

  • 6 in stock

Available Options

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News & Application Notes

Western-Cullen-Hayes 777 Electronic Bell

For those modeling the modern era, our SoundBytes Western-Cullen-Hayes 777 bell module now has a partner!  Scotty’s Model Shop has introduced an HO-scale, 3D printed bell to top your crossing signal.  Get it here!


Dwarvin’s Railroad Crossing

If you’re in the market for a simple railroad crossing system, take a look at Dwarvin’s Lamplighter Flasher and Integrated Railroad Crossing.  Dwarvin’s easy-to-use, fiber-based Lamplighter – which comes with our TrainSpotter detectors and SoundBytes bell module – makes a painless way to add crossing signals to your layout.  Give it a look!


Infesting model railroads, one SoundBytes module at a time.  Or three.  Three are certainly better than one.  Get yours today before their life cycle ends.



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