Depth:Mounting depth 3.7" (9.4 cm) Weight 17.0 lb (7.7 kg) / Shipping weight 19.4 lb (8.8 kg); Cutout dimensions (H x W) 19.1" x 12.5"; dimension (H x W) 20.6" x 13.9"; 1" aluminum dome high-output tweeter with waveguide; 9" Micro-Ceramic Composite (MCC) Cone, Cast-Aluminum Frame High-Output Woofer Mounting; Recommended Amplifier Power 10 - 200 Watts RMS; Depth:Mounting depth 3.7" (9.4 cm); Weight 17.0 lb (7.7 kg