Actually I wanted to buy the Q500, but then I got a call the seller and made me an unbeatable offer for the Q700 to the pair price of 799 ...! The sound resolution plays in a different league than what I had before, and that with the relatively small size ...! Could keep up the great bass reproduction only the Teufel Ultima 30, but nothing more ...! In my living room approximately 30 m² it trembles mightily at eg Avatar and without a subwoofer ...! Thanks Kef; o)