Train Control Systems (TCS)

The A6X is six function HO-scale "drop-in" style mobile decoder with integrated 1.5V power supply for Atlas, Athearn, Kato, etc. locomotives. Examples include the...

The T4X is a multi-purpose HO-scale decoder. 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 which have ditch lights...

With Black w/ White Stripe wire and Blue wire for power. The Keep Alive® (KA) devices are used to supply power to decoders during times of power interruption due to dirty track or problematic track...

Universal speaker housing for the TCS 13.6mm x 9.6mm speaker (included). This simple, closed design channels both the front and rear audio out the front of the speaker housing. These micro speakers...

Universal speaker housing for the TCS 16mm x 9mm speaker (included). This simple, closed design channels both the front and rear audio out the front of the speaker housing. These micro speakers...

This 16mm x 9mm speaker could be classified as a "sugar cube" speaker. This style of speaker is often feature in cell phones and tablets and performs slightly differently from standard speakers. This...

This 13.6mm x 9.6mm speaker could be classified as a "sugar cube" speaker. This style of speaker is often feature in cell phones and tablets and performs slightly differently from standard speakers...

This 25mm x 14mm speaker is a tough little beast capable of accepting 2W of audio and still producing a clear and accurate sound. The military spec. rating of these speakers means they are dust proof...

Producing sounds with the clarity and volume of a much larger speaker these 30mm (1.18") speakers are perfect for tight installations that still require BIG sound. Dimensions: 1.18" diameter x...

Producing sounds with the clarity and volume of a much larger speaker these 32mm (1.26") speakers are perfect for tight installations that still require BIG sound. Dimensions: 1.26" diameter x 0...

You haven’t heard WOWSound until you’ve heard it through our 28mm High Bass 4W WOWSpeaker! This speaker handles an unprecedented 4 watts of power, and showcases a mighty bass reflex that packs a...

The K7D4 is a 4-function N-scale drop-in decoder designed to fit Kato locomotives. Examples include the following: Kato: ACS-64 EMD SPD40F Ge 4/4 II and III "Glacier Express" See the...

With Black w/ White Stripe wire and Blue wire for power. The Keep Alive® (KA) devices are used to supply power to decoders during times of power interruption due to dirty track or problematic track...

As the flagship speaker for the WOWSound decoder we took painstaking care in selecting these 28mm (1.1") speakers. Refusing to release sub-standard speakers we waited until we discovered these to...

To find these little gems we tested more than 40 speakers and hands down these are the best small format speakers we have ever heard. Producing sounds with the clarity and volume of a much larger...

This medium sized oval WOWSpeaker is a perfect fit for many diesel locomotives with speaker enclosures built into the frame. Producing sounds with the clarity and volume of a much larger speaker...

The MT1500 is a 2-function, board replacement decoder for the Micro-Trains N-Scale SW1500. With our industry leading, auto-adjusting BEMF your SW1500 will crawl like never before!

This 6-function, 9-Pin JST, Plugin diesel sound decoder brings the superior audio quality and operational performance of WOWSound to your diesel locomotive. Included are all of the amazing features...

This decoder has a 9-Pin JST on the front. It is compatible with any T-Series harness and also includes an auxiliary harness for attaching your speaker, Keep-Alive™, and for the additional...

Now Shipping with 8 Prime Movers in One Decoder! This 4-function, 21-Pin, Plugin diesel sound decoder brings the superior audio quality and operational performance of WOWSound to your diesel...