The M-Track Solo is an excellent portable recording interface. It delivers a 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. It features a single combo Crystal Preamp with phantom power, plus a switchable Line / Instrument input making it compatible with any guitar or microphone. With M-Track Solo's 2-channel recording, you can simultaneously use both line inputs 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!