Mezclador auto amplificado tipo cabezal, con amplificador de alta eficiencia de 710W y mezclador con efectos, ecualizador gráfico Flex 9, presets para altavoces y supresor de feedback.2x 710W [4O], 2x 500W [8O] (1kHz THD+N less than 10% CEA2006)2x 600W [4O], 2x 400W [8O] (1kHz THD+N less than 1% CEA2006)Powerful & High Efficiency Class-D Amplifier12 Line Inputs (8 mono + 4 stereo)High-Z input (channel 4) to connect guitars or basses directlyFlex 9 Graphic EqualizerOnboard Feedback SuppressorComprehensive, professional 24 different effectsYamaha Speaker presetsMetal chassis for extended operation and robustnessLarge handles for extreme portability and protectionUniversal power supply eliminates concern on power fluctuationsOptional rack-mount kit available