I hesitated saw the plastic appearance, but the volume control knob is backlit and very stable, strong and rigid, for those wishing to monotoring of its pro, this is not possible, the sound of the knob is turned 3/4 to hear all the sounds, for the pros orient you to the double watt 80w is the 1/3 volume button will give a better listening, but for the price these speakers are sufficient for personal MAO, the bass, acute mediums stand quite well spatially, despite the limited power the sound is correct and clear, the bass are slightly Overfilling entails giving a round, I am satisfied to use that I, again later in 1 year it will serve as a handy travel speakers with the integrated amp, and my home studio will be equipped with enciente much more professional, for family use please!