Triple threat Sony's XS-FB1330 5-1/4" speakers feature a 3-way design that extends the frequency range of your system from 60 to 24,000 Hz, giving your music satisfying fullness and texture. Built with woofer cones made from sensitive yet sturdy material, these efficient speakers prove to be great power-handlers, specially equipped for enhancing bass response. A 1" balanced dome tweeter and a 3/4" dome supertweeter take on the high frequencies with gusto, adding in true-to-life instrumental and vocal details. You can count on these speakers to deliver great sound on every drive, whether you power them with your car stereo or an outboard amp. Grilles are included. Product Highlights: •5-1/4" 3-way car speakers (pair) •Foamed-Mica Reinforced Cellular fiber woofer •1" PEI balanced dome tweeter and 3/4" dome supertweeter •power range: 2-35 watts RMS (240 watts peak power) •frequency response: 60-24,000 Hz •sensitivity: 89 dB •top-mount depth: 1-13/16" •grilles included •warranty: 1 year