Its hard to take them seriously with junk like this on their website
New Discovery: Your hidden pickup tones have an erotic and aphrodisiac-like effect on women in the audience. You can get more information about how to financially exploit this discovery on our website's Media page. See the 2013-04-01 News Release.
Assuming you are asking about the Jazz bass pick guard. I'm guessing its just stacked V/T, neck on/off. bridge on/off, series parallel. There is nothing about a switch that can sound better than any other kind of switch, so all that is just a bunch of bull.