This is a Coeval Series drop-in speaker system for Atlas Classic RS-3 locomotives. The speaker uses a touch of adhesive to mount in the long hood and requires removal of the long-hood 2oz weight.
The speaker comes fully assembled and tested. Please choose 4Ω (Loksound) or 16Ω (Soundtraxx) wiring.
Dimensions are: 12mmH x 17mmW x 35mmL