I had the 4300 at home for a couple of days. I need to mention that it had to compete against the B&W Panorama.
To make a long story short
If you had no soundbar before or not used to a real 5.1 system the Yamaha will bring good if not excellent movie sound into your living room. The surround effects are slightly better than what the B&W can do in this respect. The Yamaha also handles dialogues more precisely than the Panorama.
Unfortunately the Yamaha is not a big fan of playing music
While just for playing movies both soundbars have their pros and consbut in terms of playing music the B&W blows the Yamaha away. And that was the reason why I had to return the Yamaha system.
And btw...sorry for my bad english but I'm not a native speaker