Digitrax SDH187MT HO Scale Series 7 Sound Decoder fits HO Scale Locomotives

NEW Digitrax HO Scale Series 7 Sound Decoder fits HO Scale Locomotives

Digitrax SDH167D Series 7 Sound Decoder HO Scale

Digitrax SDH167D HO DCC Sound Decoder & speaker Series 7 | $5 Offer

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New Digitrax SDXH187MT HO Scale Series 7 DCC Sound Decoder 21MTC | $5 Offer

Digitrax SDH187MT HO Scale Series 7 Sound Decoder

Digitrax SDN147PS N Scale Series 7 Sound Decoder with 8-pin plug & speaker 2026