Soundtraxx announces new Next18 decoder

15 July 2021
The new Tsunami2 TSU-N18 decoder is designed as a drop-in decoder replacement for models that come equipped with a Next18 socket.

Offering six function outputs, the small size of this new decoder makes it suitable for both N and small HO models. The TSU-N18 comes loaded with all of the sounds and features the Tsunami2 line of Digital Sound Decoders has to offer and is available in steam, diesel and electric versions.


The new decoder is compatible with NMRA DCC Standards and Recommended Practices, and is designed and manufactured in Durango, Colorado.


Product Specifications:


25 x 10.5 x 4.1mm 

Max. Motor Stall Current:


Max. Function Current:

100mA (each output)

Function Outputs:


Audio Amplifier:

1 Watt, 8-Ohm Load

DCC Track Voltage:

7.5V – 22V

Sound Channels:


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