Train Control Systems (TCS)

Athearn Genesis speaker housing for the TCS 35mm x 16mm oval speaker (included). This speaker housing replaces the weight in the locomotive. Re-use the two screws from the weight to secure the...

Intermountain and Bowser speaker housing for the TCS 35mm x 16mm oval speaker (included). This speaker replaces the existing one in the sound equipped models and DCC sound ready locomotives. This...

Intermountain speaker housing for the TCS 35mm x 16mm oval speaker (included). This speaker housing is a cantilever style and is secured to the chassis via the two included screws...

Intermountain speaker housing for the TCS 28mm round speaker (included). This speaker housing is a replacement for the existing one in sound equipped models and DCC sound ready locomotives. The two...

Intermountain speaker housing for the TCS 28mm round speaker (included). This speaker housing is a replacement for the existing one in sound equipped Intermountain HO-Scale FT locomotive models ...

Universal speaker housing for the TCS 35mm x 16mm oval speaker (included). This simple, closed design channels both the front and rear audio out the front of the speaker housing. This housing should...

Universal speaker housing for the TCS 28mm round speaker (included). This simple, closed design channels both the front and rear audio out the front of the speaker housing. This housing should only...

Universal speaker housing for the TCS 28mm round speaker (included). This housing has limited use because of the open back however it can be useful in some situations. It can be useful for example...

Universal speaker housing for the TCS 20mm round speaker (included). This simple, closed design channels both the front and rear audio out the front of the speaker housing. These micro speakers do...

Universal open speaker housing for the TCS 20mm round speaker (included). This housing has limited use because of the open back however it can be useful in some situations. It can be useful for...

Universal speaker housing for the TCS 25mm x 14mm speaker (included). This simple, closed design channels both the front and rear audio out the front of the speaker housing. These micro speakers do...

TCS Keep-Alive® (KA) devices are used to supply power to decoders during times of power interruption due to dirty track or problematic track work. The KA4 will power an HO-Scale...

TCS Keep-Alive® (KA) devices are used to supply power to decoders during times of power interruption due to dirty track or problematic track work.  Newly-redesigned at half the size of a...

TCS Keep-Alive® (KA) devices are used to supply power to decoders during times of power interruption due to dirty track or problematic track work.  Newly-redesigned at half the size of a...

TCS Keep Alive® (KA) devices are used to supply power to decoders during times of power interruption due to dirty track or problematic track work. The WAX-KA3 will power an HO-Scale locomotive...

TCS Keep-Alive® (KA) devices are used to supply power to decoders during times of power interruption due to dirty track or problematic track work. The WAUX-KA4 will power an HO-Scale locomotive...

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

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...

A full featured, 4 function, 3.5" (88.9mm) harnessed decoder with a built in Keep-Alive™. The built-in Keep-Alive™ will keep your locomotive operating for 6-15 seconds without power...

This decoder is a M4 decoder with built in Keep-Alive™, and will keep your locomotive operating for 6-15 seconds without power (As a result of dirty track, poor contacts, etc.). This decoder...