Patch Kommander is a light-weight, programmable loop switcher that keeps your pedals and effects in order. Four true-bypass loops guarantee a pristine signal, a built-in input buffer saves your highs and harmonics, and an ultra-intuitive control panel sets you free from complex, annoying patch programming. Features include: - Compact size, rock solid aluminum casing - 4 independent relay-based True Bypass audio loops - Switchable high quality input buffer for preventing high frequency loss - Mute/Tuner function with independent tuner output - SW A/B function for amp channel switching - 2 switching modes (Direct mode for instant access; Preset mode with 12 programmable presets for different combinations) - Low switching noise - 9VDC power supply