The white one has the active/passive switch. A very nice option to have.
I have one like it, (Ash body, natural finish, with a maple neck), and I love mine. It looks beautiful, plays great, and makes tons of useable tones.
I have posted high praise for mine elsewhere on TB, and expect that people will begin to think I'm brainwashed by FMIC, but in my opinion the newer Am Dlx P, and J are wonderful instruments in every way, based on the ones that I own.
Disclaimer: Your mileage may vary. Not responsible for incidental, or consequential damages. My opinion is not warranted to be suitable for any particular purpose. Not liable for any purchases of any products mentioned by me, or anyone I know, in any posts anywhere on any public, or private forum. Objects in this post may appear to be larger than they actually are.