THREE VERSIONS AVAILABLE!
 
This is a Rectify Series drop-in speaker system for Athearn Genesis GP7/9/18, GP15-1 and GP15T locomotives. The speaker uses the factory mounting screws and no modifications are needed to replace the factory speaker.
 
Three versions available depending on your frame:
 
1 - AHGS-7915-RC1: The original version that fits early Genesis GP7/9/15 runs up to around 2018-2020.
 
2 - AHGS-7920-RC1: A newer version that fits Athearn designs starting around 2018 to 2024 and all of the GP18 models I have seen so far.
 
3. AHGS-795N-RC1: Current-runs with the long-hood number-board lighting package (see guide on fourth set of photos).
 
Which version do you need?
If your frame-mount has two, round, protruding posts that fit into holes on the stock speaker/weight and no long-hood lighting assembly, you need the original AHGS-7915 version.
 
If your frame-mount is flat with two screw holes and a smooth bottom on the stock speaker/weight, you need the newer AHGS-7920 version.
 
If your frame-mount has two, round, protruding posts that fit into holes on the stock speaker/weight WITH a separate lighting assembly for the long-hood, you need the AHGS-795N version (see guide on fourth set of photos).
 
The speaker comes fully assembled and tested.
 
Dimensions are:
AHGS-7915: 16mmH x 18mmW x 39mmL
AHGS-7902:14mmH x 17mmW x 37mmL
AHGS-795N: 16mmH x 18mmW x 46mmL 
 
VIDEO: https://youtu.be/IEccFLPpMuA