The Mackie Big Knob Studio is a monitor controller and interface that allows you to choose between three audio input sources and two monitor pairs. It can be used for project and professional studios and is designed to increase your workflow for recording and mixing applications. It features a built-in 2x2 USB recording interface with two Onyx mic preamps and phantom power for condenser microphones. Recording and playback is at 24-bit/192 kHz resolution and the cue mix allows for controlled blending of direct inputs with other signals for zero-latency recording. Choice of recording paths provide flexibility for applications like podcasting and more. Additionally, other features include flexible source connections, a convenient 1/8" input for your smartphone, dual headphone outs with independent level control, a built-in talkback mic, and 16-segment high-resolution input source metering. Finally, with its sturdy and built-like-a-tank design, the interface is compatible with all major DAWs on both Mac and Windows platforms. The Big Knob Studio features a download for ProTools | First and Waveform software and The Musician's Collection plug-in package including 23 high-quality plugins with BBD Delay, Level Lite, 304E EQ, and 304C Compressor. To authorize the software, simply input the mixer's serial number on the website.