JBL PRX 415M - 15" Two-Way Stage Monitor and Loudspeaker System is a high quality sound system with several outstanding features. It boasts 90 x 50 coverage with a versatile mounting system. The system is solidly constructed, with metal pieces reinforcing the body. SonicGuard technology is used to protect the driver from excess power. The JBL PRX 415M - 15" Two-Way Stage Monitor and Loudspeaker System is great for the intermediate user, and is a good deal for those looking for a new system.