This is a Rectify Series drop-in speaker system for current-run Athearn Genesis Veranda turbine locomotives using the dual-cube speakers. The speakers use the factory mounting screws and no modifications are needed to replace the factory speaker.
 
Both the front and rear-mount options are available.
 
The speakers come fully assembled and tested.
 
Dimensions:
AHGS-VERF front-mount: 12mmH x 26mmW x 20mmL
AHGS-VERR rear-mount: 26mmH x 26mmW x 20mmL