Amplifier M800 2x400w - 2 ohm 2x275w - 4 ohm 2x175w - 8 ohm Ultra-low-noise/ low-distortion design Fast Recovery circuitry reduces distortion at the edge of clipping and beyond Two 2nd order, 12dB/octave, Bessel low-cut filters with variable frequency from Off to 170Hz help optimize bass output of your sound system Constant directivity horn EQ/Air EQ with variable frequency from 2k to 6kHz and on/off switch Limiter with On/Off switch (decreases distortion that may become present when the M•800 is driven at max levels without affecting overall sound levels) XLR thru outputs 1/4 Inch jacks and 5-way binding post outputs Detented gain controls calibrated in dB & volts Signal present and OL LEDs Channel Status LEDs Easily handles 2-ohm loads all night long Superior T-Design cooling 5-year transferrable Manufacturer's Limited Warranty