FOUR INPUTS: RECORD UP TO TWO TRACKS AT ONCE! * Stereo line inputs for keyboards, drum machines or analog output of a CD/MP3 player. RF-filtered TRS active-balanced inputs accept either balanced or unbalanced signals. * Low-noise mic preamp with balanced XLR inputs. * High-impedance front panel input for electric guitar or bass. PROFESSIONAL MIXER FEATURES * Separate mic and line level input controls with individual peak indicators. * Monitor mix control for balancing an audio source between live input and playback mix level while recording. Can be switched to stereo or mono. * High-powered headphone amp offers ultra-clear fidelity while delivering ample power for any type of headphones. * RF-filtered and TRS balanced Line outputs for speaker monitoring. USB POWERED * Connect to your computer with the included USB cable. No need for a power supply¬Öso you can record anywhere you can take your laptop.