... 0.3dB,1W/8Ω20Hz-20KHz,3dB@150KHzpower Bandwidth(rated power at4Ω,1%THD+N)20Hz-20KHz,-.2dB/+.2dBTourClass protectionACL,IGM ... ,filters,detachable without toolscontrolsFront panel;2 attenuators,magnetic circult breaker/power switch;real panel:signal ground lift&mode switchs; cal8:XLR ... chassis,16 gauge,double thickness in rack car areasDimensions(H X W X D)133x483x457mmGross weight37.5kgsNet weight35kgs