Sound Decoder SD18A for SX1, SX2, DCC and MM

Doehler & Haass SD18A – Sound decoder for Next18 / multi-interface

The SD18A from Doehler & Haass is a high-performance sound decoder designed for locomotives with the Next18 connector, but also usable via adapters for other interfaces. It supports modes SX1, SX2, DCC, MM and analog DC, features an integrated SUSI interface, advanced audio playback, firmware updates and asymmetrical voltage braking support.