One of my younger brothers has asked me to buy him a power amplifier. Since I don't know anything about musical instruments and the accessories that go with them, I gave him cash. It is easier to do that way instead of me shopping for his stuff. I believed he now has an amp but am not so sure if he has a crown cdi1000 power amp. The Crown CDi 1000 power amplifier is a professional tool designed and built for installed sound applications. Many musicians like it because it is rugged and lightweight. It also offers incredible value in its class.