This is the Tsunami2 TSU-4400 Digital Sound & Control Decoder by Soundtraxx
Tsunami2 steam decoders are loaded with features. We haveadded new and remastered sounds to add realism to your models. Tsunami2 has an adjustable steam cutoff guaranteed to make you feel like you are in the cab and in control. Tsunami2 steam decoders can produce over 50 sound effects including 12 bells, Johnson Bar, brake squeal, 10 air pumps, 8 dynamos, 10 exhaust chuffs, snifter valve, injectors, firebox blower, side rod clank, over 60 whistles and more!
Features:
Reactive Dynamic Digital Exhaust
Functioning locomotive brakes and train brakes
12 bell sounds
10 new or remastered exhaust chuffs in a single decoder
Newly remastered Dynamic Digital Exhaust
Functioning adjustable exhaust cutoff
Functioning locomotive and train brakes with adjustable braking rates
Over 60 whistles
Selectable compressors, bells, Dynamos, couplers, and more
Fireman Fred sounds for coal-fired, wood, oil, or auger fueled locomotives
Locomotive servicing sounds
Traditional 2-cylinder, plus new 3-cylinder and articulated settings on all exhaust chuffs