? Class AB;? Variable X-Over 12dB HP/LP switchable;? Heavy-grade aluminum alloy extruded heat sink;? Illuminated ambient-lit logo;? Internal temperature-sensitive maximum efficiency cooling fan;? Dim: 2.19"H x 16.85"W x 8.88"D ;? 4 channels;? 1,200W max;? 80W RMS x 4 @ 4ohm ; / ONE YEAR