6-1/2" Kappa Series 2-Way Car Speakers Power Handling: Peak: 450 watts per pair / 225 watts each RMS: 150 watts per pair / 75 watts each Recommended Minimum Power: 25-225 watts each Carbon Injected Glass Fiber cone material Plus One cone technology offers more cone area than other speakers in its class Rubber speaker surround 1" Soft Dome edge-driven Fabric tweeter construction Adjustable, 0 or +3dB push-button tweeter level attenuation control UniPivot tweeter allows you to aim the tweeter at the listener for better imaging High temperature voice coil reduces distortion Vented magnet and motor assembly cool the voice coil Gold-plated, screw-type speaker terminals for a secure connection Injected Carbon Glass Matrix (iCGM) speaker frames High-quality passive crossover components 2.5 ohms impedance Frequency response: 45-25,000 Hz Top-mount depth: 2-1/16" Sensitivity: 95dB Priced Per Pair