I use it for over a year, I like the least ... the plastic of the faade chrome and keys of the same quality too fragile under the influence of acid hands, so I advise the tlcommande impractical or put on gloves to avoid any manipulation to keep your chrome intact, I have tried other amps before making my choice ... NO. .. but the opportunity to have cost a lot ... it's on, as proof of having sold my 750 MKII Rvox possdant a big sound for the bass sound that typ hifi and more Harman makes us the very opposite ... its a super dpouill quilibrun amp transistor privileged above all transparency without adding anything, a serious hyper tense and maintain, and low mdium m dium of high quality and beautiful and a superb natural DEFINITIONS any of the acute ..., can we do better transistor! I doubt it, unless it is another Harman, or rentendre against a system that pipes without raction to raise, I lost>>> due to space <<<the possibility of electronic tubes does my prototype, I do it again then necessarily the choice because it is certainly one of the only one in this field we do accept the price Listen to CD, and the type of amplifier transistors REPRESENTATIVES it is a widely 20/20 MRIT despite its wonderful chromes.PS wrong: I have no problem firing because I'm high efficiency speaker, 21 db less I find myself often suprieur 115 db rel least 11 db and everything and I also must dmnage CHRE my neighbor and in less than thirty seconds chrono hand ... Voice of the home theater requires.