The TSU-21PNEM is a 1-amp Digital Sound Decoder with six function outputs designed for easy plug-in operation when mated to a 21-pin NEM connector.
 
Dimensions: 30.5 x 15.5 x 6.5mm
Max. Function Current: 100mA (each output)
Audio Amplifier: 2 Watt, 8-Ohm Load
Max Motor Stall Current: 1A
Function Outputs: 6
DCC Track Voltage: 7.5V - 22V