Suitably equipped instruments can be plugged in via a balanced, low impedance XLR input for the ultimate low-noise connection * Conventional jack provided to accommodate standard instruments * 575W / 900W Peak @ 4ohms * Precision tone shaping comes courtesy of a 12-band graphic equalizer * Harmonic Emphasis circuit that actually synthesizes new harmonics which combine with the originals under variable level control to create a stunning extra top-end "zing"