Product Features  High-end pre-amplification for all microphone, instrument and line-level sources. Specifically designed for studio-grade condenser mics  Perfectly matches your studio, live and hard disk recording set-up  Ultra-flexible Preamp Modeling allows you to optimize your recordings  Choose between 16 preamp voicings designed for electric and acoustic guitars, keyboards, bass guitars, drums, vocals and more  Built-in USB/Audio Interface to connect directly to your computer.  Powerful Phones output with Level control and Direct Monitor select  Hand-selected 12AX7 vacuum tube with UTC technology for exceptional warmth and lowest noise  Ensures outstanding signal transparency when used as a high-end DI-box  Sophisticated output limiter prevents the output signal from clipping  Dedicated low cut filter eliminates unwanted noise, e.g. floor rumble  +48 V phantom power, Phase Reverse switch and 20 dB Pad for utmost flexibility  Highly accurate 8-segment LED level meter  Balanced inputs and outputs on 1/4" TRS and XLR connectors