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The WOW101 is a universal decoder for locomotives with DCC-ready 9-pin plugs, or which cannot accommodate a motherboard or WOWKit.

This decoder may be hard-wired or plugged directly into any locomotive with a 9-pin JST plug.

The WOW101 is compatible with any T-Series harness, and also includes an auxiliary harness for attaching your speaker, AUX input, Keep Alive®, and for the additional lighting functions (F3 and F4).

NOTE: WOW101 decoders do not have on-board resistors. If you are going to use LED lighting with this product, you must include external resistors.

For a complete list of sounds, check out the "Sounds List" on TCS's website

CD-Quality Sound: TCS' world-renowned CD-quality sound. 16 Bits of resolution at 44.1kHz sample rate.

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.

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.

Audio Assist®: TCS exclusive auditory feedback programming system. Program your decoder without the need to memorize CV's!

User-Loadable Speed Tables: Configure custom speed curves and set speed limits.

Throttle Modes: Choose from multiple throttle modes to meet your operating needs.

Proto Notch™: A WOWSound original feature which uses TCS’ exclusive auto-adjusting BEMF technology to automatically choose the active notch sound.

                      Prototype Mode also offers dynamic sound volumes which accurately model the real-life equivalent. Also includes pre-programmed acceleration and deceleration values.


  • Interface Type: Hard-Wire Direct-Plug (9-Pin JST)
  • Dimensions (L x W x H): 1.35" x 0.658" x 0.22" or 34.29mm x 16.72mm x 5.59mm
  • Scale: HO Scale
  • Continuous/Peak: 1.3/2.0 Amp
  • Total Functions: 6
  • Function Rating: 100 mA
  • 12V Outputs: 6
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