6" x 9" Stage3 3-way Coaxial Car Speakers Power Handling: Peak: 420 watts per pair / 210 watts each RMS: 140 watts per pair / 70 watts each Plus One polypropylene woofer cones speaker surround Dome Tweeters External Crossover with 0/+2dB Tweeter level control Vented basket frame design Top-mount Depth: 3.06" Cutout Dimensions: 8.45" x 9.31" Impedance: 3 ohms Frequency Response: 50 - 20,000 Hz Sensitivity: 93 dB @2.83V Free-Air Resonance (Fs): 52.2 Hz Equivalent Compliance (Vas): 32.35 liters Total Speaker Q Value (Qts): 1.281 Electrical Q Value (Qes): 1.413 Mechanical Q Value (Qms): 13.661 Crossover Point: 5,000 Hz Grilles not included