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This is a Rectify Series drop-in speaker system for Intermountain GP10 locomotives. It also fits the U18B and possibly other IMR units. The speaker features notches for the wires to nestle in. The speaker uses carpet-tape or a touch of adhesive to mount and no modifications are needed to replace the factory speaker.


A shorter version is now available. This version is only 3mm shorter but leaves room to install an ESU PowerPack Mini or TCS KA2.


The speaker comes fully assembled and tested.


Dimensions are: 11mmH x 18mmW x 35mmL

Intermountain GP10, U18B, Others

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