Description
The SoundTraxx 885005 TSU-2200 Tsunami2 2-Amp is a Tsunami2 Digital Sound Decoder from SoundTraxx's premium full-feature line, factory-loaded with the EMD diesel sound profile.
Prime mover: EMD 567 (no-transition, non-turbo, 567D turbo, dual 567), 645 (non-turbo, turbo, dual 645 turbo), 710 turbo and 710 G3C-T2 prime movers. Covers EMD switchers, F-units, GP7/9/18/30/35/38/40 and SD7/9/24/35/38/40/45 road switchers, through to GP50/60, SD50/60/70 series and later units. Not for Alco locomotives — the Alco version of this decoder is 885007.
- Scale fit: HO and S scale models with stall current up to 2 A
- Format / connector: Universal (9-pin JST Quick Plug + bare wires)
- Function outputs: 6
- Max motor stall current: 2 A
- Dimensions: 35 x 18 x 6 mm
- Tsunami2 sound: Dynamic Digital Exhaust (reactive to throttle / load), functioning locomotive + train brakes, 16 sound channels, library of prime movers + airhorns + bells
- Hyperlight lighting effects: Mars, Gyralight, Rotary beacon, Single/Double Strobe, Ditch, etc.
- Audio amplifier: 2 W into 8 Ω
- DCC track voltage: 7 – 22 V
- Compliance: Standard NMRA DCC (DC + DCC dual mode)
- SoundTraxx SKU: 885005 (Walthers 678-885005)
Tip: Pair with a SoundTraxx Mega Bass speaker (810129 / 810130 / 810131) and a CurrentKeeper (810140 / 810160) for the best audio and dirty-track performance.
About SoundTraxx: A USA-made DCC decoder and sound-system specialist founded in 1990 (Durango, Colorado). Product lines: Tsunami2 (premium full-feature digital sound decoders), Econami (value-priced sound decoders), Blunami (Bluetooth-controllable sound), and DCC Mobile Decoders (motor + lighting, no sound). Range also includes miniature speakers (round / oval / Mega Bass / Mini Cube), the CurrentKeeper stay-alive supercap module, and a full set of Quick-Plug harnesses and adapters for clean installs.
In stock at Oakville Model Trains Depot.




