API MC531 Desktop Monitor Controller Distortion / Overdrive Pedals you can use your headphones

you can use your headphones to cue independently of the master out

The smallest buffer offered under Windows has 48 samples

And with the powerful E-A7 Tone Manager software

KORG even provides sample code to get you started

API MC531 Desktop Monitor Controller Distortion / Overdrive Pedals you can use your headphonesBuilding on its rich heritage of manufacturing the highest quality mixing and recording consoles, API proudly introduces the new MC531 Monitor Controller. Featuring the same level of craftsmanship found throughout APIs entire product line, the MC531 offers a stand alone version of the monitoring functionality built into the center section of APIs legendary analog consoles. Specifically designed to include fully featured monitor control for DAW