NO AMPLIFIER ASSEMBLY FOR SALE IN THE LISTING!!! 

You have to send your own not working amplifier assembly for repair, 

we will return it back to you after repair.

REPAIR SERVICE for YOUR OWN JBL AMPLIFIER used in EON 618S speaker.

3 MONTHS WARRANTY. Buying of used amplifier is not recommended, because it can fail soon for exactly same reason as your original one.  Please ask any questions you may have.