Soundtraxx Sound value Decoder out of an Alco RS3 HO diesel Locomotive

HO UNIVERSAL STEAM DC/DCC SOUND DECODER 1911 W/NMRA 8 PIN AND 9 PIN

TCS WOW101-KA-Diesel HO Scale 9-Pin JST Digital Locomotive Decoder (1533)

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LENZ HO SCALE DCC DIGITAL DECODER 8PIN 10335 FOR LOCOMOTIVES W/LIGHTS NICE !

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Digitrax SDXH187K0 Sound Decoder for Many Kato HO Scale Legacy Locomotives