The uTONE is a bass-treble tone control, that is a quite useful tool to shape the overall spectrum of individual signal paths.
Please note: These micro modules need a carrier, like the uBASE module. The cannot be mounted directly into an AE case.
You can find more information about this module (soon) on the AE Modular Wiki.
(Price without VAT; for buyers inside the EU 19% VAT will be added to the shown price = 26,18€)