This decoder is for converting Märklin/Trix H0 locomotives with built-in high-efficiency motors or other DC motors. The märklin SoundDecoder3 has a 21-pin interface connector and an accompanying interface connector circuit board for converting analog and digital locomotives. The märklin SoundDecoder3 supports the digital formats mfx, MM1, MM2, and DCC. More information: Sustainability | Sustainability compliance | Yes | Technical details | Compliance certificates | WEEE | Safety warning | Not for children 0-3 years | Yes | Design | Product type | Sound module |  | Brand compatibility | Märklin | | Recommended age (min) | 15 yr(s) | | Compatibility | Trix H0 | | Suggested gender | Any gender | | Scale | 1:87 | | Construction type | Preassembled | | Product colour | Multicolour | | Sounding | Yes | | Country of origin | Germany | Power | Power source type | DC |
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