Krell 402E latest - advise needed


Hello, I currently own Krell 302E, have a good opportunity to upgrade to krell 402E . Is anybody out there who have/had/heard latest Krell 402E or 302E? What will I gain? Does this upgrade waste of money or well worth it? Any opinion is very appreciated. My speakers are Sonus Faber Elipsas. I know comparing them at the dealer is the best option, but I don’t have this opportunity.
denon1
If I thought the extra power was needed I would consider it; do you find your current amp seeming to run out of power? The 402E is one of the best out there but if the 302E is the same circuit in a slightly lower power you may not gain anything. I myself would use the lower powered version if it was big enough but not knowing your room size or volume requirements it is hard for anyone else to make a reasonable judgement.
Stanwal, thank you for the opinion, my room is relatively large (25’X20’ living room with high sealing), but I am not looking for more SPLs. Krell 402e has two power transformers (one for each channel ) and 35% more capacity. According to Krell, the 402E gives more wait and presence to the sound,better channel seperatio, even so tonal balance is the same. I just wanted to hear form actual owners of 402E or people who listened both.