Märklin Märklin 60978 mSD/3 Hobby Audio decoder w/o cable, incl. connector

For refitting Märklin/Trix H0 Hobby locomotives of the 36 series. The Märklin sound decoder 3 has a 21-pin interface and an interface board for bogie locomotives of the 36 series. The Märklin sound decoder 3 supports the digital formats mfx, MM1, MM2 and DCC. Preset sound of a diesel locomotive (Hcrkules). This text is machine translated.