This is a Rectify Series drop-in speaker system for Walthers Mainline SW-1 locomotives. The speaker mounts over the front truck and requires removal of the factory PCB and a hardwire decoder installation.
 
The speaker features hooks to route the truck and speaker wires away from the drive-shaft/flywheel.
 
The speaker comes fully assembled and tested.
 
Dimensions are: 10.5mmH x 21mmW x 29mmL
 
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