Ever spent more time than you intended trying to get a speaker “focussed” where you want it — only to discover next day that it’s moved back to where it started ? With Powerdrive’s WHU and WHUM Series you can say good–bye to rotational gremlins for good, thanks to positive–locking features that stand the test of time. With other “clever touches” like a cable access hole in the laser cut wall plate, the WHU and WHUM mean that you get the job done quicker and smarter. And who is your customer going to thank — us or you?