Specifications: Rms power at 4 ohm(13.8v) - 500w x 1ch Rms power at 2 ohm(13.8v) - 900w x 1ch Rms power at 1 ohm(13.8v) - 1300w x 1ch Variable low pass filter 50hz-350hz Variable subsonic filter 20hz-50hz Variable bass boost Zero guage power terminal Parallel amp connection availability Dimension(w x h x d):264 x 76 x 380mm