010 -TWO STONES Sampled from an incredibly dynamic dual channel American amplifier with a cascading gain structure, rich harmonic tones and full base response. 010 -TWO STONES TWO STONES blue channel delivers pristine clean tones that have rich bass and lush highs. The red channel provides searing, superb leads. A very versatile preamp for expressive players that crave dynamic feedback. 010 -TWO STONES-High quality dual channel preamp Independent 3 band EQ, Gain and Volume controls for each channel Speaker cabinet simulation on/off ​2 different modes for footswitch operation. On/Off or channel A/B