The T4X has added Blue and Black/White wires to use a KeepAlive device. This model now includes a 2-pin JST Plug for the KA-P Family of KeepAlive® devices. This decoder may be hard-wired or plugged directly into any locomotive with a 9-pin JST plug. The T4X may be used in locomotives with ditch lights and forward and reverse headlights.

• 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.

• 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: Hard-Wire or Direct-Plug (9-Pin JST)

Dimensions (L x W x H): 0.969" x 0.661" x 0.193" or 24.61mm x 16.79mm x 4.9mm

Scale: HO Scale

Continuous/Peak: 1.3/2.0 Amp

Total Functions: 4

Function Rating: 100 mA

12V Outputs 4