Train Control Systems (TCS) 1446 - A4X-KA Decoder - HO Scale

The A4X is four function HO-scale "drop-in" style mobile decoder for Atlas, Athearn, Kato, etc. locomotives.

Examples include the following:

Athearn:

• F59PHI
• F3

Atlas:

• RS-1/RS-3/RS-11
• C424
• GP7

Kato:

• GP35

See the installation pages for a full list of compatible engines!

The A4X-KA includes factory-installed Blue and Black&White wires to use when connecting Keep Alive®.

• Back EMF Load Compensation: Provides superior slow speed control and high performance under load.
• Quiet Drive: Super-quiet motor control for "buzz" free motor performance.
• DC Mode: Decoder will automatically detect DC power. You can also configure how your lighting effects function on DC.
• RailCom®: This feature allows the decoder to talk to the command station. RailCom supports expansion for new features.
• Variable Momentum: Allows you to make custom acceleration and deceleration curves.
• LED Support: This product does not require external resistors when connecting LED's.
• Incandescent Bulb Support: This decoder can be used with 12 Volt bulbs.
• Function Remapping: Buttons 0 through 12 may be used to control the lighting functions of this decoder.
• Programmable Lighting Effects: Choose from 20 separate user-programmable lighting effects!
• Dimmable Brightness: Configure multiple different brightness levels for your LED's or incandescent bulbs.
• Decoder Lock: Feature which prevents accidental/unwanted programming while activated.
• Airwire™ Compatible: Fully compatible with Airwire™ operation.
• User-Loadable Speed Tables: Configure custom speed curves and set speed limits.

Interface Type: Drop-In

Dimensions (L x W x H): 2.85" x 0.682" x 0.138" or 72.39mm x 17.32mm x 3.51mm

Scale: HO Scale

Continuous/Peak: 1.0/2.0 Amp

Total Functions: 4

Function Rating: 100 mA

12V Outputs: 4

LED Outputs: 4