I will soon acquire, and I'm very excited because they are beautiful pregnant. I buy them for the night and my whole first night and I was only eleven but I love it especially the sound. Before I was lent FCR But the problem is the price or I find them powerful 500 watt DC It told me that for my mixer Berhinger DJX 750 I had this type of enclosure but the price is not affordable So I prefer is pregnant I looked forward to. In soirrer there is no problem of fatigue?