Drop-In - HO Scale

Digitrax DH165L0 DCC Decoder - HO Drop-in Board for Life-Like     Features:

Digitrax DH165Q1 DCC Decoder - HO Drop-in Board for QSI-Style Replacement     Features:

Digitrax DH187A0 Series 7 DCC Decoder - HO Drop-in AT-Style Board Series 7 Decoder Features

Digitrax DH187K0 Series 7 DCC Decoder - HO Drop-in AT-Style Board Series 7 Decoder Features

Digitrax SDXH187A0 Series 7 DCC Sound Decoder - HO Drop-in AT-Style Board for Atlas, Athearn, Kato, Stewart and Others   Digitrax decoders shi

Digitrax SDXH187K0 Series 7 DCC Sound Decoder - HO Drop-in AT-Style Board for Atlas, Athearn, Kato, Stewart and Others   Digitrax decoders shi

Digitrax SDXH187K1A Series 7 DCC Sound Decoder - HO Drop-in Board for Kato AC4400 and Others   Digitrax decoders ship to us with a preloaded s

Digitrax SDXH187K1B Series 7 DCC Sound Decoder - HO Drop-in Board for Kato SD38-2 and Others   Digitrax decoders ship to us with a preloaded s

Digitrax SDXH187K1C Series 7 DCC Sound Decoder - HO Drop-in Board for Kato F40PH and Others   Digitrax decoders ship to us with a preloaded so

ESU 53952 Adapter Board - NEM660 21MTC Integral Connector to BLI Steam Paragon 3 & 4 With the help of the BLI Paragon 3/4 (P34) adapter board, H0 Scale tender steam locomotives from Broadway Limited...

ESU 53955 Adapter Board - 24-pol ESU E24 Integral Connector to HO Drop-in AT-Style Adapter Board w/ Integrated PowerPack This adapter board with the dimensions 54.0mm x 17.0mm has an ESU PowerPack...

ESU 58821 LokSound 5 Direct NMRA DCC Sound Decoder - HO Drop-in AT-Style Adapter Board   ESU decoder ship to us blank (or mute, or no pre-loaded sound file, or...) unlike other decoder options that w

ESU 58921 LokSound 5 Direct NMRA DCC Sound Decoder - HO Drop-in AT-Style Adapter Board w/ Integrated PowerPack  

NCE DA-SR DCC Decoder - HO Drop-in AT-Style BoardEasy installation in many locomotives with Kato drive mechanisms such as Atlas/Stewart/Kato and Proto 1000. This decoder has five function outputs.

NCE DA-SR DCC Decoder - HO Drop-in AT-Style BoardEasy installation in many locomotives with Kato drive mechanisms such as Atlas/Stewart/Kato and Proto 1000. This decoder has five function outputs.

NCE SW9-SR DCC Decoder HO Life-Like SW8-9-900-1200 Drop-In   This decoder is designed for easy installation in Lifelike Proto 2000 SW8/SW9/SW1200 Locomotives.

NixTrainz Decoder Buddy 12 Output V5B 2.2k Ohm Resistor 21-HW - 21MTC Adapter Board - NEM660 21MTC Integral Connector     Decoder Buddy V5 and V

NixTrainz Decoder Buddy 8 Output Original 2.2k Ohm Resistor 21-HW - 21MTC Adapter Board - NEM660 21MTC Integral Connector     Decoder Buddy V5 a

NixTrainz Decoder Buddy Mini 1k Ohm Resistor 21-HW - 21MTC Adapter Board - NMRA-NEM660 21MTC Integral Connector   Decoder Buddy V5 and V5B The Decoder Buddy V5 and V5B were developed

SoundTraxx 852002 MC2H104AT Mobile DCC Decoder - HO Drop-in AT-Style Board     This decoder is a perfect mate for the non-sound units that run with Tsunami Sound Decoder

SoundTraxx 882004 ECO-PNP Econami DCC Sound Decoder - Diesel - HO Drop-in AT-Style Board    

SoundTraxx BLU-PNP 8 Function Blunami 2 DCC Sound Decoder - HO Drop-in AT-Style Board     **Be sure to read about 

SoundTraxx BLU-PNP 8 Function Blunami 2 DCC Sound Decoder - HO Drop-in AT-Style Board   **Be sure to read about 

SoundTraxx BLU-PNP 8 Function Blunami 2 DCC Sound Decoder - HO Drop-in AT-Style Board   **Be sure to read about 

SoundTraxx BLU-PNP 8 Function Blunami 2 DCC Sound Decoder - HO Drop-in AT-Style Board XCXD;R''] **Be sure to read about 

SoundTraxx BLU-PNP 8 Function Blunami 2 DCC Sound Decoder - HO Drop-in AT-Style Board   **Be sure to read about 

SoundTraxx TSU-PNP 8 Function Tsunami 2 DCC Sound Decoder - HO Drop-in AT-Style Board     

SoundTraxx TSU-PNP 8 Function Tsunami 2 DCC Sound Decoder - HO Drop-in AT-Style Board     

SoundTraxx TSU-PNP 8 Function Tsunami 2 DCC Sound Decoder - HO Drop-in AT-Style Board     

SoundTraxx TSU-PNP 8 Function Tsunami 2 DCC Sound Decoder - HO Drop-in AT-Style Board     

SoundTraxx TSU-PNP 8 Function Tsunami 2 DCC Sound Decoder - HO Drop-in AT-Style Board     

SoundTraxx TSU-BH1 Bachmann Upgrade Tsunami 2 DCC Sound Decoder - HO Drop-in Board for Bachmann     **Be sure to read about 

SoundTraxx TSU-BH1 Bachmann Upgrade Tsunami 2 DCC Sound Decoder - HO Drop-in Board for Bachmann     **Be sure to read about 

SoundTraxx TSU-BH1 Bachmann Upgrade Tsunami 2 DCC Sound Decoder - HO Drop-in Board for Bachmann     **Be sure to read about 

TCS 1000 A4X DCC Decoder - HO Drop-in AT-Style Board     The A4X is four function HO-scal

TCS 1001 A6X DCC Decoder - HO Drop-in AT-Style Board    

TCS 1252 WOWSound DCC Sound Decoder - WOW-Plug & Play w/ KA-4 Keep Alive -Electric - HO Drop-in Board for Bachmann ACS-64 This product is spec

TCS 1343 LL8 DCC Decoder - HO Drop-in Board for Life-Like Proto 2000 with NEM652 8-pin Integral Connector    

TCS 1402 LL8-LED DCC Decoder - HO Drop-in Board for Life-Like Proto 2000 with NEM652 8-pin Integral Connector    

TCS 1416 AS6 DCC Decoder - HO Drop-in Board for Atlas S1, S2, S3, S4    

TCS 1430 A6X-KA DCC Decoder - HO Drop-in AT-Style Board    

TCS 1001 A6X DCC Decoder - HO Drop-in AT-Style Board    

  TCS 1446 A4X-KA DCC Decoder- HO Drop-in AT-Style Board    

TCS 1543-HP Life-Like P2K MB-1 Motherboard Adapter Board - High Pins   This motherboard is designed to replace the existing circuit board in a Walthers Proto 2000 0-6-0 and 0-8-0. This board is...

TCS 1543-LP Life-Like P2K MB-1 Motherboard Adapter Board - Low Pins   This motherboard is designed to replace the existing circuit board in a Walthers Proto 2000 0-6-0 and 0-8-0. This board is...

TCS 1544-HP Bachmann MB-1 Motherboard Adapter Board - High Pins     This motherboard is designed to replace the existing circuit board in a Bachmann Light 4-8-2 (short tender) or t

TCS 1544-LP Bachmann MB-1 Motherboard Adapter Board - Low Pins     This motherboard is designed to replace the existing circuit board in a Bachmann Light 4-8-2 (short tender) or th

TCS 1545-HP Bachmann MB-2 Motherboard Adapter Board - High Pins     This motherboard is designed to replace the existing circuit board in a Bachmann Heavy 4-8-2. This board is desi

TCS 1545-LP Bachmann MB-2 Motherboard Adapter Board - Low Pins     This motherboard is designed to replace the existing circuit board in a Bachmann Heavy 4-8-2. This board is desig

TCS 1546-HP Bachmann MB-3 Motherboard Adapter Board - High Pins     This motherboard is designed to replace the existing circuit board in a Bachmann Baldwin 2-8-2. This board is de

TCS 1546-LP Bachmann MB-3 Motherboard Adapter Board - Low Pins     This motherboard is designed to replace the existing circuit board in a Bachmann Baldwin 2-8-2. This board is des

TCS 1557-HP Bachmann MB-4 Motherboard Adapter Board - High Pins     This motherboard is designed to replace the existing circuit board in a Bachmann Richmond 4-4-0. This board is d

TCS 1557-LP Bachmann MB-4 Motherboard Adapter Board - Low Pins     This motherboard is designed to replace the existing circuit board in a Bachmann Richmond 4-4-0. This board is de

TCS 1613-HP Economy E-MB1 Motherboard Adapter Board - High Pins   The Economy Motherboard permits the installation of a 21-pin decoder into a wide variety of models by replacing the original light

TCS 1614-HP Economy E-MB1 Motherboard Adapter Board - High Pins (5-pk)   The Economy Motherboard permits the installation of a 21-pin decoder into a wide variety of models by replacing the origina

TCS 1615-HP RTR-MB1 Motherboard Adapter Board - High Pins     This motherboard is designed to replace the original lighting board in the Athearn Diesel Ready-To-Roll locomotives. I

TCS 1615-LP RTR-MB1 Motherboard Adapter Board - Low Pins     This motherboard is designed to replace the original lighting board in the Athearn Diesel Ready-To-Roll locomotives. In

TCS 1616-HP GEN-MB1 Motherboard Adapter Board - High Pins     The GEN-MB1 motherboard is designed to replace the original lighting board in Athearn's "Genesis" line of diesel locom

TCS 1616-LP GEN-MB1 Motherboard Adapter Board - Low Pins     The GEN-MB1 motherboard is designed to replace the original lighting board in Athearn's "Genesis" line of diesel locomo

TCS 1617-HP IB-MB1 Motherboard Adapter Board - High Pins     This motherboard is designed to replace the original lighting board in Intermountain and Bowser diesel locomotives. Cre

TCS 1617-HP-WK IB-MB1 Motherboard Adapter Board - High Pins w/ Wiring Kit     This motherboard is designed to replace the original lighting board in Intermountain and Bowser diesel

TCS 1617-LP IB-MB1 Motherboard Adapter Board - Low Pins     This motherboard is designed to replace the original lighting board in Intermountain and Bowser diesel locomotives. Crea

TCS 1617-LP-WK IB-MB1 Motherboard Adapter Board - Low Pins w/ Wiring Kit     This motherboard is designed to replace the original lighting board in Intermountain and Bowser diesel

TCS 1618-HP IB-MB2 Motherboard Adapter Board - High Pins     This motherboard is designed to replace the original lighting board

TCS 1618-HP-WK IB-MB2 Motherboard Adapter Board - High Pins w/ Wiring Kit     This motherboard is designed to replace the origin

TCS 1618-LP IB-MB2 Motherboard Adapter Board - Low Pins       This motherboard is designed to replace the origin

TCS 1618-LP-WK IB-MB2 Motherboard Adapter Board - Low Pins w/ Wiring Kit     This motherboard is designed to replace the origina

TCS 1619-HP IB-MB1-NC Motherboard Adapter Board - High Pins     This motherboard is designed to replace the DCC decoder found in DCC equipped Intermountain and Bowser diesel locomo

TCS 1619-LP IB-MB1-NC Motherboard Adapter Board - Low Pins     This motherboard is designed to replace the DCC decoder found in DCC equipped Intermountain and Bowser diesel locomot

TCS 1620-HP IB-MB2-NC Motherboard Adapter Board - High Pins     This motherboard is designed to replace the DCC decoder found in DCC equipped Intermountain and Bowser diesel locomo

TCS 1620-LP IB-MB2-NC Motherboard Adapter Board - Low Pins     This motherboard is designed to replace the DCC decoder found in DCC equipped Intermountain and Bowser diesel locomot

TCS 1622-HP AK-MB1 Motherboard Adapter Board - High Pins This motherboard is designed to replace the original lighting board in Atlas and Kato diesel locomotives. Included on this motherboard is a KA2

TCS 1622-LP AK-MB1 Motherboard Adapter Board - Low Pins This motherboard is designed to replace the original lighting board in Atlas and Kato diesel locomotives. Included on this motherboard is a KA2

TCS 1623-HP AS-MB2 Motherboard Adapter Board - High Pins This motherboard is designed to replace the original lighting board in Atlas and Kato diesel locomotives. Included with this motherboard is a K

TCS 1623-HP-WK AS-MB2 Motherboard Adapter Board - High Pins w/ Wiring Kit This motherboard is designed to replace the original lighting board in Atlas and Kato diesel locomotives. Included with this m

TCS 1623-LP AS-MB2 Motherboard Adapter Board - Low Pins This motherboard is designed to replace the original lighting board in Atlas and Kato diesel locomotives. Included with this motherboard is a KA

TCS 1623-LP-WK AS-MB2 Motherboard Adapter Board - Low Pins w/ Wiring Kit This motherboard is designed to replace the original lighting board in Atlas and Kato diesel locomotives. Included with this mo

TCS 1624-HP AS-MB2-NC Motherboard Adapter Board - High Pins     This motherboard is designed to replace the original lighting board in Atlas and Kato diesel locomotives. Included w

TCS 1624-LP AS-MB2-NC Motherboard Adapter Board - Low Pins     This motherboard is designed to replace the original lighting board in Atlas and Kato diesel locomotives. Included wi

TCS 1625 Lighting Function Tester for Economy E-MB1 Motherboard Adapter Board   This small board can be used to verify the lighting functions in your installation.

TCS 1627-HP WM-MB1 Motherboard Adapter Board - High Pins     This motherboard is specifically designed to replace the original lighting board in the Walthers Mainline GE ES44 "GEVo

TCS 1627-HP-WK WM-MB1 Motherboard Adapter Board - High Pins w/ Wiring Kit     This motherboard is specifically designed to replace the original lighting board in the Walthers Mainl

TCS 1627-LP WM-MB1 Motherboard Adapter Board - Low Pins     This motherboard is specifically designed to replace the original lighting board in the Walthers Mainline GE ES44 "GEVo"

TCS 1627-LP-WK WM-MB1 Motherboard Adapter Board - Low Pins w/ Wiring Kit     This motherboard is specifically designed to replace the original lighting board in the Walthers Mainli

TCS 1628-HP WM-MB2 Motherboard Adapter Board - High Pins     This motherboard is specifically designed to replace the original lighting board in the Walthers Mainline EMD SD70ACe d

TCS 1628-HP-WK WM-MB2 Motherboard Adapter Board - High Pins w/ Wiring Kit     This motherboard is specifically designed to replace the original lighting board in the Walthers Mainl

TCS 1628-LP WM-MB2 Motherboard Adapter Board - Low Pins     This motherboard is specifically designed to replace the original lighting board in the Walthers Mainline EMD SD70ACe di

TCS 1628-LP-WK WM-MB2 Motherboard Adapter Board - Low Pins w/ Wiring Kit     This motherboard is specifically designed to replace the original lighting board in the Walthers Mainli

TCS 1634-HP Bachmann B-MB7 Motherboard Adapter Board - High Pins     This motherboard is designed to replace the original lighting board in Bachmann steam engines including the K4

TCS 1634-LP Bachmann B-MB7 Motherboard Adapter Board - Low Pins     This motherboard is designed to replace the original lighting board in Bachmann steam engines including the K4 s

TCS 1635-HP Bachmann B-MB8 Motherboard Adapter Board - High Pins     This motherboard is designed to replace the original lighting board in Bachmann steam engines including the 4-6

TCS 1635-LP Bachmann B-MB8 Motherboard Adapter Board - Low Pins     This motherboard is designed to replace the original lighting board in Bachmann steam engines including the 4-6-

TCS 1635-HP Bachmann B-MB8 Motherboard Adapter Board - High Pins     This motherboard is designed to replace the original lighting board in Bachmann steam engines including the 0-0

TCS 1665-HP IB-MB3 Motherboard Adapter Board - High Pins w/ KA3-P Keep-Alive This motherboard is designed to replace the original lighting board in various locomotives. The IB-MB3 will fit a wide...

TCS 1665-HP IB-MB3 Motherboard Adapter Board - High Pins w/ KA3-P Keep-Alive & Wiring Kit This motherboard is designed to replace the original lighting board in various locomotives. The IB-MB3 will...

TCS 1665-LP IB-MB3 Motherboard Adapter Board - Low Pins w/ KA3-P Keep-Alive This motherboard is designed to replace the original lighting board in various locomotives. The IB-MB3 will fit a wide...

TCS 1665-LP IB-MB3 Motherboard Adapter Board - Low Pins w/ KA3-P Keep-Alive & Wiring Kit This motherboard is designed to replace the original lighting board in various locomotives. The IB-MB3 will...

TCS 1666-HP IB-MB3-NC Motherboard Adapter Board - High Pins w/ KA3-P Keep-Alive This motherboard is designed to replace the original lighting board in various locomotives. The IB-MB3-NC will fit a...

TCS 1666-LP IB-MB3-NC Motherboard Adapter Board - Low Pins w/ KA3-P Keep-Alive This motherboard is designed to replace the original lighting board in various locomotives. The IB-MB3-NC will fit a...

  TCS 1741 WOW Kit WDK-LIF-1 with WOW121-Diesel DCC Sound Decoder for Life-Like ModelsEach WOWKit has been engineered for a perfect fit in your locomotive. Even if you are new to