This is a Coeval Series drop-in speaker system for Athearn Genesis F-Units that came equipped with Soundtraxx. No modifications are needed to replace the factory speaker. A touch of adhesive secures the system. The speaker comes fully assembled and tested.
The speaker comes fully assembled and tested. Please choose 4Ω (Loksound) or 16Ω (Soundtraxx) wiring.
Dimensions are: 12mmH x 26mmW x 32mmL