Mackie ProFXv3 16-Channel Professional USB Mixer Percussion Accessory Stand No simple MIDI keyboard -

No simple MIDI keyboard - KeyStep is a controller that truly puts you in control

Eight Scale modes guide you into new musical territory

For filtering

and a bright new 2

Realtime Modify knob

Mackie ProFXv3 16-Channel Professional USB Mixer Percussion Accessory Stand No simple MIDI keyboard -Experience the best in class series of professional analog USB mixers with effects. The Mackie ProFXv3 16 Channel Professional USB Mixer offers next level performance and versatility to recording studios and venues. More Pro More Awesome Power your studio or live gig with award winning Onyx preamps and a high resolution GigFX engine. The Mackie ProFXv3 gives you ultimate control, versatility, and flexibility for multiple applications that range from