digital amplifiers HA 450,HA550,HA650,HA800,HA900,HA1000 1.Slew rate:40v/us 2.standard 3-pole connector 3.damping factor>600 digital amplifiers HA 450,HA550,HA650,HA800,HA900,HA1000 feature:HA series amplifier in the application requirements and long-term reliability of the power amplifier can be no comparison, not only its amazing heat output and a substantial reduction in weight and smaller ...