Powerful, durable, and easy to use, this amplifier holds all of the qualities that you'd expect from a Mackie product. • At 0.05% THD and full bandwidth rated power: 1260 watts @ 4ohm mono; 850 watts @ 8ohm bridged mono; 630+630 watts 2ohm stereo; 425+425 watts 4ohm stereo; 250+250 watts 8ohm stereo. • switchable low-pass subwoofer crossover, 63Hz/125Hz • sweepable HF horn compensation (2kHz-6kHz) for compression drivers mounted on constant directivity horns • sweepable L/R low-cut filters, 10Haz-170Hz • built in limited w/defeat switch • detented input controls calibrated in dB and volts. • L/R LED otput meters. • OL, signal present, and temperature LEDs • Balanced XLR and 1/4" TRS inputs • 1/4" and heavy-duty 5-way binding post outputs • Delayed turn on feature.