The Montarbo 459S mixer is a professional powered mixer that delivers 400 watts of power. It features 10 inputs (6 mono and 2 stereo), a built-in digital effects processor (DSP), and a 6-band equalizer (EQ), making it ideal for live performances and recordings. Detailed Technical Features: Power Amplifier: Provides pure and exceptional audio performance with 400 watts of power. Channels: 10 inputs including 6 mono channels and 2 stereo channels. Effects (DSP): 56-bit processor includes effects (Echo, Reverb, and Delay). Frequency Response: Wide range from 25Hz to 25kHz.