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This is a Rectify Series drop-in speaker system for rear-mounting in QSI-ear Atlas Master Dash 8-32/40C locomotives that use the a-frame round speakers behind the cab. More than just a box, the enclosure features Diapasonic Tuning™, which allows the lower frequencies to accurately develop and resonate, clears the midrange of excess resonance and tunes the upper-mid/high response. The speaker mounts over the rear drive shaft with a touch of adhesive and no modifications are needed to replace the factory speaker.


You can choose to add a front-mounted system using the ALMA-QSI1-RC1 speaker fitted within the a-frame.


The speaker comes fully assembled and tested.


Dimensions are: 27mmH x 18mmW x 34mmL



Atlas Master (QSI) Dash 8-32/40C

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