Height Cutout Size; Weight 3.9 lbs (1.8kg) / Shipping Weight; Low Frequency Driver Components 8" Aluminum Cone, Cast-Polymer Frame Woofer; Mounting Mounting Depth; Recommended Amplifier Power 10 - 100 Watts RMS; Sensitivity 87dB" High Frequency Driver Components 1" AluminumDome Tweeter with Waveguide