Royal Flush is a dual channel overdrive with separate controls for each channel. The first channel is a low gain overdrive and is designed to create tube amp early break-up" overdrive for rhythm tone with tone clarity. Second channel is a medium gain overdrive and is designed to capture creamy and rich sound of an amp-like distortion crunch. Both channels engaged emulate a more aggressive cranked tube amp sound with tons of sustain. - Dual channel overdrive recreates tube saturation. - Boost channel is a dynamic, touch responsive with tone clarity overdrive. - Overdrive channel is a creamy and rich amp-like distortion with natural compresion. - Two separate tone controls for detailed shaping of distorted signal. - Parallel mode relay switching. - True bypass."