QS Series 6.5" Components QS Component Speakers feature stunning midrange drivers, tonally precise tweeters and a superior crossover network, forming an audiophile-quality component set that’s perfect for demanding listeners. Using a removable “bullet style” phase plug, the QS can convert to a coaxial style - a perfect solution when you want all the benefits of the QS without installing a separate tweeter. These QS separates work best with 90 watts of recommended power. See below for more details. | Speaker Size 6.5" Design 2-Way Component Tweeter Design 1 3/16" Dome Impedance (Ohms) 4 Tweeter Composition Teteron Woofer Composition Tri-Tech Woofer Surround Rubber Sensitivity (dB) 86dB Frequency Response (Hz) 50-22k Hz RMS Power Rating (Watts) 90 Peak Power Rating (Watts) 180 Top-mount Depth (Inches) 2 7/16 Bottom-mount Depth (inches) 2 5/8 Cutout Diameter (inches) 5 Grilles Included Yes Warranty 1-Year