Hello to all if you want to be disappointed here it is, it's been a year + that I bought this amp it is lightweight and retains its power it was my first amp, it works fine the first 2 weeks but beyond it is forbidden to put it in red (music video) because at the slightest heat and protects it mutes the sound which is very very very embarrassing pandant a party so do not test its strength or else ... txa400 with the 2x250 w max is good for small and medium speakers with speakers from 10 "to 12" reports the money is good but due to bad experiences I would do more with this choice, having said that I ' I replaced amp CICLOTRON dbk 2000