Crystal Clear Audio in a Compact Design. The M-Track Solo is the best, most portable recording interface in its class. It delivers 48 kHz audio resolution in a compact and easy to use format that is ideal for creating music on any Mac, PC or iOS device. This versatile interface works great for recording any type of sound source and features a single Combo Crystal Preamp with phantom power, plus a switchable Line / Instrument input making it compatible with any guitar or microphone. Plus, with M-Track Solo’s 2-channel recording you can use both line inputs simultaneously to capture digital pianos, drum machines or any other stereo 1/4″ device. M-track Solo is completely powered by USB, removing the need for an external power supply and making it perfectly portable for recording on-the-go. Throw it into your bag, grab a laptop, and create your next podcast, song, or mix anywhere you want!