... 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 ... 60HZ operation temperature0-45°C frequency wideband10Hz-30Hz damping factor>600 slew rate40V/us signal to noise ration105dB/A weighting ...