MRC drop-in, full-featured, sound decoder for the Athearn RS-3 Diesel Locomotive.  
 
100% Drop-in means 100% drop-in…absolute plug & play
Full 28 NMRA function capability
Select all desired sounds and functions in “seconds”
No additional time consuming downloading or expensive purchases… All the features are in the decoder
Superb, Brilliance™ sound quality with multiple sounds and volume selectability
18V maximum input
 
MSRP is $99.98. (Picture courtesy of MRC.)