Presonus AudioBox 22VSL 24-Bit/96 kHz 2x2 USB 2.0 Audio Interface 24-bit / 96 kHz 2 x 2 USB 2.0 recording interface 2 dual-purpose front-panel input channels Mixer control (blends the input signal with the computer playback stream for zero-latency monitoring) Headphone jack with level control Main-output level control LED clip indicator for each channel Studio One Artist digital audio workstation software included Virtual StudioLive (VSL) control software included