Features: SansAmp XLR Output works like a built-in direct box to deliver the true tone of the amp to the PA desk or studio board without compromising detail, warmth or responsiveness. The XLR is switchable from -20dB to 0dB Gain is a 10dB gain boost to set up the pre-amp for different pickups. For example, with lower output passive pickups, you can have punchier sounds with Gain engaged. Conversely, with higher output active pickups, you can have a cleaner sound with Gain disengaged Effects Loop Tuner Output is an independent buffered output to provide a constant unaffected signal. Neutrik Speakon® outputs. Rackmount Kit