SoundTraxx 885021 TSU-1100 Digital Sound & Control Decoder - Tsunami2 -- EMD Diesel Sounds 2 - 1-1/16 x 13/32 x 3/16" 27 x 10.5 x 5mm RECSES_2026-1-30_CUR_844 Set consists of six pairs

Set consists of six pairs of cars permanently coupled in pairs in the prototype

Woodland Scenics C1216

The digital address can be set by means of coding switches or by means of the programming track in 4 steps

such as waterfalls

It also has a permanently coupled unit consisting of a powered end car and a bi-level car with a built-in battery pack

SoundTraxx 885021 TSU-1100 Digital Sound & Control Decoder - Tsunami2 -- EMD Diesel Sounds 2 - 1-1/16 x 13/32 x 3/16" 27 x 10.5 x 5mm RECSES_2026-1-30_CUR_844 Set consists of six pairsThis SoundTraxx TSU 1100 Tsunami2 Digital Sound & Control Decoder features a spectrum of prototypical sounds, 16 bit polyphonic sound processor, 14 hyperlight lighting effects and hyperdrive motor control with back EMF. This micro 1 amp, universal style format is ideal for small models with minimal space. The TSU 1100 includes an optional capacitor or can be wired to a CurrentKeeper 678 810140 to maintain performance over dirty track and switches.