Description
The SoundTraxx 885810 TSU-21PNEM8 is a Tsunami2 digital sound decoder loaded with the GE diesel sound library, in a convenient 21-pin plug-in format. If your locomotive has a 21-pin decoder socket, installation is as simple as unplugging the dummy board and plugging in the Tsunami2 — instant access to authentic GE prime movers, from classic FDL-powered U-boats and Dash 8s to modern EVO-series units, with a full roster of air horns and bells.
Tsunami2 is SoundTraxx's flagship platform: 16-bit audio, Dynamic Digital Exhaust that responds to load, and Hyperdrive2 high-frequency motor drive for exceptionally smooth slow-speed control. Function mapping and lighting effects like ditch lights and beacons complete the package.
Compatibility
- Plugs into locomotives with a 21-pin (NEM660-style) decoder socket
- NMRA-compliant DCC; also operates on DC analog layouts (reduced features)
- Ideal for GE diesels — Dash 7/8/9, AC4400, and Evolution-series models
How to Use
- Remove the shell and unplug the dummy/factory board from the 21-pin socket
- Plug in the TSU-21PNEM8 and confirm speaker connections
- Select prime mover, horn, and bell via CVs and fine-tune motor control
Specifications
- Type: DCC sound + motor decoder
- Connector: 21-pin (21PNEM)
- Sound Set: GE diesel (selectable prime movers, horns, bells)
- Motor Control: Hyperdrive2 with Dynamic Digital Exhaust
- Brand: SoundTraxx
- Item Number: 885810
About SoundTraxx: SoundTraxx (Durango, Colorado) pioneered onboard model railroad sound and manufactures the Tsunami2, Econami, and Blunami decoder lines.