Join our newsletter to receive news, sales and be the first to know when new products are available! You'll also receive a 10% off coupon!
Free USA shipping for orders over $99.00!
Need help?
Follow Us
Enter your e-mail and password:
New customer? Create your account
Lost password? Recover password
Enter your email:
Remembered your password? Back to login
Your cart is empty
The A4X is four function HO-scale "drop-in" style mobile decoder for Atlas, Athearn, Kato, etc. locomotives.
Examples include the following:
Athearn:
Atlas:
Kato:
If you need more than four total lighting functions, or are using 1.5V bulbs, you should consider the A6X.
Provides superior slow speed control and high performance under load.
Super-quiet motor control for "buzz" free motor performance.
Decoder will automatically detect DC power. You can also configure how your lighting effects function on DC.
This feature allows the decoder to talk to the command station. RailCom supports expansion for new features.
Allows you to make custom acceleration and deceleration curves.
This product does not require external resistors when connecting LED's.
This decoder can be used with 12 Volt bulbs.
Buttons 0 through 12 may be used to control the lighting functions of this decoder.
Choose from 20 separate user-programmable lighting effects!
Configure multiple different brightness levels for your LED's or incandescent bulbs.
Feature which prevents accidental/unwanted programming while activated.
Fully compatible with Airwire™ operation.
Configure custom speed curves and set speed limits.
Free Delivery, Satisfied or Refunded
Free USA shipping for orders over $99.00! In-stock products ship next business day. Shipping PolicyNot satisfied? You have 30 days, from date of purchase, to return an item(s) in unopened condition. Refund Policy
Top-notch Support & Packaging
We are available 7 days a week through Support Form & E-Mail. Customer support through phone (470) 344-4404 may be slower.Squeaky's Trains & Things is a family owned business, each package is handled with care and appreciation.
Secure Payments
Shop safe, fast and easy with multiple payment methods. Such as PayPal, Credit Card and Apple Pay.The security of your personally identifiable information is very important to us. Privacy Policy
Squeaky's Reward Program
Earn Reward Points with each purchase, birthday and more.Use those points to redeem free products, discounts and more!