When you crank up your car or truck audio system, you want the best sound you can get. Get some of that top-notch sound you've been searching for with the Maxxsonics FKB168 MB Quart Formula 5x7/6x8-Inch 2-Way Speakers (4-Pack). The ideal balance of a high end car audio system requires the perfect mix of speaker tone, deep bass impact and clean undistorted power. With MB Quart we make it simple to develop the impeccable Formula for a great sounding system. The Formula line offers a high end sound quality though a full line of aluminum dome tweeters with polypropylene cone speakers. These components can be matched with 400 watt peak power, dual 4 ohm subwoofers to command the deep bass frequencies all powered by the Q-Stasis circuitry amplifiers in the Formula line up. Keep your sound the best around with these speakers from Maxxsonics. This package comes with 4 sets of speakers.