Brand New Genuine QSC KW122 Amplifier Neo Version WP-212212.
This is the Neodymium version which is used for speakers from 02/2013 or older (serial numbers 0213xxxxx or older, GJCxxxxx or older).
***Please provide your original amplifier serial number in the notes section of your order. QSC requires this to fulfill the order. Leadtime to ship to you is about a week, but this can be expedited if needed.