Is this amp sufficient to drive my 803D

Krell 400xi

rated at 200 watts and 400 watts into 4 ohm

room size 16w length 32 feet. height 8 feet
I listen to a lot of rock music and jazz

Im using a rxv2300 yamaha receiver as my source currently
and red wine i pod
blue jeans cables,10guage

your thoughts greatly appreciated

Thanks