2 x 80W@ 8 Ohm, 2 x 130W@ 4 OhmPure class A - double INPOL technology - fully balanced - digital Bias/gain set technologyPurely resistive relays remote controlled volume4 line inputs RCA and 2 balanced XLR, pre output inverting and non-inverting,S/PDIF and USB “B” type port digital inputs optional (..