Tsunami2 meets N-Scale! The TSU-KN1 is our first plug and play Tsunami2 N-Scale decoder. Finally, you can get the Tsunami2 features you have been wanting in your N-Scale locomotives! We are excited to introduce a Plug and Play Tsunami2, N-Scale decoder and installation kit. The new TSU-KN1 is designed to fit into Kato N-Scale E, F-units, F40PH, PA and P42 locomotives. Get an easy install and the amazingly realistic sounds plus the features that all Tsunami2 decoders have to offer.