Height Cutout dimensions (dia.); Width Square grille finished Width; Depth Mounting depth; Weight 2.4 lb (1.1 kg) / Shipping weight; Features Includes both round and square zero-bezel magnetic grilles • Round grille finished dimension (dia.); High Frequency Driver Components 1" aluminum dome swiveling high-output tweeter with waveguide; Low Frequency Extension High Frequency Extension; Mounting C-2 fastening mechanism • Compatible with wall material thickness range; Recommended Amplifier Power 10 - 140 Watts RMS