Features: Exceptional Audio Quality for Ultra-Compact Size 2 Watt RMS Audio Amplifier Compressor/Limiter Prevents Clipping Connects to Format-A Sender using Twisted-Pair Cable Powered from RDL Twisted Pair Format-A Sender Gain Set by the Installer Acoustically Optimized Decora Enclosure Fidelity Comparable to Larger Drivers Hemispherical Dispersion Mounted In Wall or Flat Surface