Sony Xplod 4-Way Speakers are a great upgrade speaker for your existing car audio system. The Sony Xplod Speakers offer good performance and power handling to reproduce music as it was meant to be heard. With a highly oriented polyolefin Woofer cone, this Sony Car Audio System produces clear mid-bass frequencies. The Sony Xplod 4-Way Speakers offer PEN mid-range for great linearity and smooth response with low distortion. The Piezo Dome tweeters in the Sony Xplod Speakers deliver clear highs. High energy ferrite and neodymium magnets provide controlled output at high volume levels. With 300 watts of max power, Sony Xplod 4-Way Speakers deliver high-quality crisp sound. The Sony Xplod Speakers measure 6" long x 9" wide x 3" high. Sony Xplod XS-R6944 6" x 9" 4-Way Speakers: * Impedance: 4 ohms * Frequency Response: 50-22,000Hz * Power Handling Capacity: 300W * Ferrite/Neodymium magnets * PEN mid-range