Featuring swiveling aluminum tweeters to produce smooth frequency response, the 7000 Series In-Wall Speaker is a premium addition to any home theater system. Its three position tweeter output level adjustment switch matches the speaker to its environment, and it features glass fiber woofers to provide high power handling and premium sound quality.FEATURES AND BENEFITS:• Suitable for moisture rich environments• Fully adjustable treble easily tailors the sound to any taste• Features glass fiber woofers that provide superior power capacity for a stronger, deeper sound• Foam gaskets minimize vibration and provide air-tight seal• High-power handling and adjustment capabilities ensure ultimate in home sound