The Mackie ProFX16v2 is a 16-channel 4-bus effects mixer with USB. ProFXv2 mixers feature all-new Vita preamps for unmatched sound quality and a no-compromise live mixing toolkit including the all-new, immensely powerful ReadyFX effects engine. Mackie ProFXv2 mixers provide a comprehensive live sound solution with a wide range of models, each delivering unmatched performance. With the all-new preamps and effects engine, plus tools like GEQ and USB recording/playback, ProFXv2 mixer performance will truly elevate your live sound game. Designed from start to finish for live sound, ProFXv2 features an all-new preamp design and FX engineer for premium sound in any situation.