Hello, about a year ago I bought a Yamaha YHT-397 HTiB and recently have wanted to upgrade the speakers. I found on ebay a set of 5 Def Tech Pro Monitor 60 brand new for 150 dollars shipped. I am keeping the sub that came with the HTiB because it fits my bass needs quite well, its just the speakers it came with have been very lacking for me.
Now, how much of a upgrade are these Def Tech speakers over the stock HTiB YHT-397's ? Am I going to hear a tremendous difference or only a slight?