Soundtraxx announces 21-pin mobile decoder

By Howard Smith

17 March 2020

A new 21-pin decoder from U.S.A manufacturer Soundtraxx promises high-performance operation and 15 lighting effects.

The newest addition to the 21-pin mobile decoder line up, the MC1H104P21, is available for purchase. It provides high-performance operation and 15 hyperlight lighting effects for models that don't exceed a 1A stall current. They utilise SoundTraxx’ Hyperdrive technology, and are easy to speed-match with Tsunami digital sound decoders and are compatible with other SoundTraxx decoders and products.

The MC1H104P21 plugs into many models equipped with a 21-pin motherboard. The MC1H104P21 has four function outputs, 15 Hyperlight effects, a 28-point speed table, and operates in NMRA DCC only. All formats are compatible with NMRA DCC standards and recommended practices. For more details, visit or see your local stockist.