When I was a 21 year old Marine on Okinawa, I bought a pair of the 999 Kenwoods. It was 1981 (where has time gone?) I lived in an open squadbay, with a total of 40 people in one long room. Every Friday we had a "battle of the bands" with each of us trying to listen to different music at the same time. This made high volume have a premium over musicality.
Those suckers were LOUD, without being able to reproduce any actual music. If you want loud noise instead of music, these puppies are for you. If you want the ability to have your ears ring for hours after turning off the stereo, these puppies are for you. If you want to listen to sound that is somewhat recognizable, while cutting wood on a table saw, these puppies are for you.
If you want to listen to music, look elsewhere.