The PolyKB II Player is is a lighter version of the PolyKB from XILS Lab. But it is more than a simple synth module. It's also a fully featured real synth that allows you to fully customize 8 selectable parameters including ADSR values, filter cut off, resonance, and much more. These parameters can also receive full automation via midi continuous controller. The PolyKB II Player also comes with the same acclaimed 250 hi quality preset library of its big brother, the PolyKB. Its also fully compatible with the Analog Bags 1 & 2 add-on soundbanks, as well as with some 3rd party soundsets, so you can extend the original library at a very affordable price. All of your custom patches are also saved via your host, and projects using custom patches are saved with all your edits. Serial number protected, no dongle necessary.