Boss Audio SK694 Phantom Skull 4-Way Speakers are designed to provide high-quality, full-range sound. Featuring a skull with red eyes that light up to the beat of the music, these unique Boss Audio Phantom Speakers add some visual excitement to your sound setup. For optimum performance, these Boss Audio SK694 Phantom Skull 4-Way Speakers have high-quality poly injection cones with rubber surrounds. A custom-tooled bridge houses mid ranges and tweeters that are designed to produce excellent mid- and high-frequency response. These 6" by 9" Speakers offer a power handling peak of 700 watts with an impedance of 4 ohms and a frequency response of 40Hz to 20kHz. In addition, these Boss Audio Phantom Speakers have a 1-1/4" aluminum voice coil and a 2-1/2" Mylar cone with a sensitivity of 92dB. These Boss Audio Phantom Speakers can be flush mounted and have a mounting depth of 3-1/2".