ABout this item

• The new IMPP composite cones are designed specifically to prevent cone failures at high sound pressure levels - composite cones have a well balanced rigidity and moves in unison without any strong or weak points
• The first of its kind technology, dual-layer elastic polymer surround dramatically improves durability and lightness, for superior response, especially for louder volume
• Years of research and state-of-art production facilities is our secret behind every Pioneer speaker's quality sound reproduction
• Frequency range: 20Hz～125Hz（－20ｄB）(in car) ,Sound pressure level: 95 dB（±1.5ｄB） (in car)