Power Mixer 1.300W 4 Ohms Powered Mixer 2.Built-in ... 100 presets 3.8 Total inputs 4.Super Mixer PKM8250 Power Mixer1)300W 4 Ohms Powered Mixer2)Built-in 24-bit ... D/A converters24 BitDSP resolution24BitType of effectsEcho,Echo+Verb,Tremolo,Plate,Chorus,Vocal, Rotary,Small Room,Flanger+Verb and Large HallPresets100 ... kHz THD=1%,Load=4OhmFrequency Response20Hz to 20kHz, ±3 dB Power Mixer 6 channel with XLR