Proel BassAmp Series HPX1200 12-Channel Stereo Power Amplifier, Deep Red 2 x 600W at 2 Ohm, 2 x 450W at 4 ohm, 2 x 300W at 8 ohm, 1200W 4ohm bridge mode Front to back forced air cooling with washable filter Ultra-efficient Switch Mode Power Supply Integrated Clip limiters Selectable Low-Pass Notch filter enhances the amplifier response at the low frequencies