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#884814 TSU-BH2 STEAM SOUND DECODER for BACHMANN Sound Value Locomotives

This decoder is designed to replace the factory board in the following HO Bachmann Sound Value Steam Models: 2-6-0, 2-8-0, 4-6-2, 4-8-4 Class J and GS4. Get a quick decoder upgrade for your Bachmann HO Sound Value steam models with our new Tsunami2 TSU-BH2. This decoder offers 8 function outputs and an easy install. Simply replace the Sound Value decoder and enjoy all of the Tsunami2 features you love. The 8 function outputs are LED-friendly so resistors are not required for LEDs! (See the wiring diagrams under product documentation for more information). Light effects are fully remappable and offer full access to our 20+ HyperLight effects. You will feel like you are in the cab with the amazing new features that Tsunami2 has to offer including: Reactive Dynamic Digital Exhaust, Functioning locomotive and train brakes, functioning adjustable exhaust cut-off, and firebox flicker. We also offer a large selection of selectable sound effects including: exhaust chuffs(10), bells (12), Whistles (90), couplers, dynamos and more!

This decoder includes a connector to easily add a CurrentKeeper (810140 or 810160 in our eBay store) to maintain performance over dirty track and switches.


  • Dimensions: 45 x 28 x 7.5mm
  • Max. Motor Stall Current: 2A
  • Max. Function Current: 100mA (each output)
  • Function Outputs: 8 LED-Friendly Outputs!
  • Audio Amplifier: 2 Watt, 8-Ohm Load
  • DCC Track Voltage: 7.5V – 22V
  • Sound Channels: 16
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