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WOW121
Train Control Systems WOW121 HO-Scale WOWSound decoder is a Plug and Play decoder with 21-Pin connector.
Product Release PDF
This 21-Pin, 6 function,  decoder includes all of the amazing features and incredible performance found in a WOW101 in a shorter form factor with the popular 21-Pin plug. This decoder does not include a Keep-Alive™ device, but pairs wonderfully with one of the motherboards below (all of which include a built-in KA2).

Dimensions: 1.28" x .69" x .22" or 32.5mm x 17.5mm x 5.6mm
WOW121 SKU: #1525      MSRP: $99.95
28mm (1.1") Round WOWSpeaker
Product Release PDF

As the flagship speaker for the WOWSound decoder we took painstaking care in bringing to market these 28mm (1.1") speakers. These speakers sound richer and fuller than any other decoder speaker on the market. Pick one up and find out how great your WOWSound can really sound!


28mm (1.1") diameter and 4.6mm (0.18") thick

28mm (1.1") Round WOWSpeaker SKU: #1555      MSRP: $9.95
20mm (0.79") Round WOWSpeaker
Product Release PDF
Producing sounds with the clarity and volume of a much larger speaker these 20mm (0.79") speakers are perfect for tight installations that still require BIG sound.

This speaker has an adhesive ring around the front which can be used for mounting or ignored.

20mm (0.79") diameter and 3.4mm (0.134") thick
K0D8-E SKU: #1554      MSRP: $9.95
Bachmann-MB1
Train Control Systems Bachmann-MB1 is a motherboard replacement for the Bachmann light 4-8-2. Includes onboard Keep-Alive™
Product Release PDF
This adapter board is designed to replace the existing circuit board in a Bachmann light 4-8-2. This board is designed to receive a WOW121 or EU621 decoder and provides an onboard KA2 and a 21-pin connector for quick decoder installation.

NOTE: this product does not function without a decoder. Pickup an EU621 or WOW121 decoder to use this product.
Bachmann-MB1 SKU: #1544     MSRP: $31.95
Bachmann-MB2
Train Control Systems Bachmann-MB2 is a motherboard replacement for the Bachmann heavy 4-8-2. Includes onboard Keep-Alive™
Product Release PDF
This adapter board is designed to replace the existing circuit board in a Bachmann heavy 4-8-2. This board is designed to receive a WOW121 or EU621 decoder and provides an onboard KA2 and a 21-pin connector for quick decoder installation.

NOTE: this product does not function without a decoder. Pickup an EU621 or WOW121 decoder to use this product.
Bachmann-MB2 SKU: #1545     MSRP: $31.95
Bachmann-MB3
Train Control Systems Bachmann-MB3 is a motherboard replacement for the Bachmann 2-8-2. Includes onboard Keep-Alive™ .
Product Release PDF
This adapter board is designed to replace the existing circuit board in a Bachmann 2-8-2. This board is designed to receive a WOW121 or EU621 decoder and provides an onboard KA2 and a 21-pin connector for quick decoder installation.

NOTE: this product does not function without a decoder. Pickup an EU621 or WOW121 decoder to use this product.
Bachmann-MB3 SKU: #1546      MSRP: $31.95
P2K-MB1
Train Control System P2K-MB1 is a motherboard replacement for the Life-Like P2K series of steam engines. Includes onboard Keep-Alive™
Product Release PDF
This adapter board is designed to replace the existing circuit board in a Life Like P2K steam locomotive. This board is designed to receive a WOW121 or EU621 decoder and provides an onboard KA2 and a 21-pin connector for quick decoder installation.

NOTE: this product does not function without a decoder. Pickup an EU621 or WOW121 decoder to use this product.
P2K-MB1 SKU: #1543      MSRP: $31.95
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