Professional preamp/DI for performing and recording with acoustic-electric guitar, Acoustic Resonance restores the warm and rich resonance lost with most pickup systems, Four-band EQ and variable low-cut filter tuned to deliver optimized tone shaping for acoustic guitar, Multi-band compressor with MDP technology provides transparent dynamics control, Newly developed anti-feedback functions control feedback while maintaining balanced tone, Two channels with independent EQ for connecting two instruments or blending multiple pickup sources, Onboard ambience, delay, and chorus effects with multiple sound types and adjustable parameters, Boost function with adjustable tone setting, Memory function for storing 10 sound setups, Onboard looper with 80 seconds of recording time, XLR and Jack connectivity for interfacing with PA systems, stage monitors, amps, and external effects, USB audio interface functionality for computer recording and playback, Fast and accurate built-in tuner, Compact and portable design; runs on AC adapter or six AA-size batteries.