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)


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

The volume can be adjusted by using a small screwdriver to turn the white, square potentiometer on the PCB.

Here is an example showing the SoundBytes module connected to a toggle switch:


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


The complete gEDA design files are available on GitHub.


  • $19.00

  • 20 in stock

Available Options

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News & Application Notes

SoundBytes + Scale Sound Systems

Did you know… The SoundBytes module was designed with the help of our friend jt Burke over at Read More...

Leap Day 2022???

Are you missing Leap Day this year?  Honor February 29th with 29% off all SoundBytes modules, now through March 5!

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!


Using TrainSpotters and SoundBytes With Crossing Modules

One of the questions we get somewhat frequently is how to use the TrainSpotter infrared detectors and SoundBytes crossing bells with other vendors’ grade crossing modules.   After all, we offer the most reliable IR detection for the model railroads in our TrainSpotter line, along with the widest variety of prototype bells in our SoundBytes.  Who wouldn’t want to upgrade their grade crossings?

Today I’ve put together a guide for three of the more popular crossing control modules and show what can be done with each.  Specifically, we’re going to look at Logic Rail’s Grade Crossing Pro/2, Azatrax’s MRX3, and Dwarvin’s Lamplighter Flasher, along with a cheap popular Chinese flasher module from eBay.

Some popular crossing modules with two TrainSpotters and a SoundBytes bell.



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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