* Balanced Metal Dome .75-inch CV Tweeter * Piezo .75-inch Add-On Tweeter Kit * Power Handling: 300W MAX . * Woofer / Tweeter (in. mm) 6.5"(165mm) / 1.0 (25.4mm). * Mounting Diameter: 4.96" (126mm). * Mounting Depth: 2.2" (52.8mm). * Frequency Response: 60Hz-18Khz +/-3dB. * Sensitivity: 93dB. * Vent Dimensions: Curvilinear Poly Cone.