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TSU-1100 Digital Sound Decoders

Econami ECO-100 with Dime

The TSU-1100 is one of our smallest sound decoders, yet is packed with a plethora of high-performance features! This micro 1-amp, universal-style format is ideal for small models with minimal space. It includes an optional capacitor or can be wired to a CurrentKeeper (P.N. 810140) to maintain performance over dirty track and switches.

Dimensions: 27 x 10.5 x 5mm Max. Motor Stall Current: 1A
Max. Function Current: 100mA (each output) Function Outputs: 4
Audio Amplifier: 1 Watt, 8-Ohm Load DCC Track Voltage: 7.5V – 22V


The Tsunami2 line is equipped with powerful new amplifiers; therefore, it is important to choose a capable speaker to use with these decoders. Below you will find a list of speakers that are compatible with the TSU-1100.

P.N. Description P.N. Description
810053 20mm Round Speaker 810113 35 x 16mm Oval Speaker
810054 28mm Round Speaker 810115 35 x 20mm Oval Speaker
810089 15mm Round Speaker 810154 15 x 12 x 11.5mm Mini Cube
810114 30mm Round Speaker 810155 *13 x 9 x 8.5mm Mini Cube2
810153 28mm Round Speaker 810129 23mm Square Mega Bass Speaker
810078 40 x 28.5mm Oval Speaker 810130 27mm Round Mega Bass Speaker
810103 40 x 20mm Oval Speaker 810131 28mm Square Mega Bass Speaker
810112 25 x 14mm Oval Speaker    

* Note:

When wiring multiple Mini Cube 2 speakers, P.N. 810155, use parallel format to decrease impedance and increase overall volume.

MSRP $132.95
P.N. Description Sound Selection Reference
884001 TSU-1100 Steam (Discontinued 08/2018) Steam Sounds
884006 New! TSU-1100 Steam-2 Steam-2 Sounds
885001 TSU-1100 EMD Diesel EMD Diesel Sounds
885021 New! TSU-1100 EMD-2 Diesel EMD-2 Diesel Sounds
885002 TSU-1100 GE Diesel GE Diesel Sounds
885003 TSU-1100 ALCO Diesel ALCO Diesel Sounds
885004 TSU-1100 Baldwin & Other Diesels Baldwin & Other Diesels Sounds
886001 TSU-1100 Electric Locomotives Electric Sounds