Audified is letting you choose your price on its MultiDrive and MultiCabinet plug-ins for Windows and Mac OS X. It is up to you to decide whether you want to pay ten dollars a piece or even nothing instead of paying 19 dollars for each plug-in as their price was before.
So how does this work? You simply go to shop.audified.com and while adding MultiDrive or MultiCabinet to your cart, you type the price you are willing to pay for these two products. The price can be even "0" so you do not have to pay anything at all.