Features: 1.HIGH VOLUME AND HIGH POWER: Durable and innovative design blends high volume speakers with high power drivers 2.BETTER HEAT DISSIPATION: With advanced voice coil fin design, the voice coil can handle extreme heat and maintain its structural integrity, meaning your speakers will last a long time 3.LOW DISTORTION: With 93dB sensitivity and a 4 ohm impedance rating, this unit compensates for the undersized wires found in many cars today. Distortion is finally reduced so you can enjoy crisp and clear sound 4.400W MAXIMUM POWER: This high power audio projection midrange system features 400W maximum peak power output so you can play your favorite tracks with style 5.STEREO SYSTEM: With a frequency response of 60Hz?20KHz, which can complement your current car midrange speaker enclosure system for full stereo reproduction specification:Item Type: Car Loudspeaker Material: Magnet, metal iron Maximum Power: 400W Impedance: 4 OHMS Sensitivity: 93dB (1.5dB) Frequency Range: 60Hz-20KHz Scope of Application: Suitable for all car audio systems Color: Black PackageList:1 x Car Loudspeaker