The MS3801 3000 Series 8 Inch Rectangle In-Wall Speaker Pair are designed specifically for multi-room audio installations to provide exceptional sound and an attractive price point for the home. Optimized for whole house music distribution with maximum efficiency, the speakers are built with Mica- Fiber woofers and PEI (Polyetherimide) Mylar tweeters for excellent sound quality and an even, smooth response. These speakers are made of a tough semi-flexible plastic frames that feature a built in foam gasket to minimize vibration and maximize seal-ability. They also feature a perforated metal grill with an acoustically transparent scrim cloth to enhance the speakers appearance once installed. These speakers are paint-able and also come with painting shields to protect the drivers while painting. These speakers are suitable for moisture rich environments.