Product Details: Pair of 4" x 6" Two-Way Coaxial Speakers Power Handling RMS: 35 Watts Peak: 175 Watts Impedance: 3 Ohms Sensitivity (@ 2.83V/1m): 91dB Frequency Response: 75Hz - 20kHz Edge-driven dome tweeter Vented basket Frame design External Crossover with 0/+2dB Tweeter level control Plus One™ Woofers Cones Competitively Tuned Engineered to Fit