1,High Performance: Durable and innovative design blends high volume speakers with high power drivers. 2,Fast Heat Dissipation: Voice coils can handle extreme heat and maintain their structural integrity, meaning your speakers will last a long time. Advanced voice coil heat sink design, better heat dissipation. 3,HiFi Sound: With 92dB (±1.5dB) sensitivity and a 4 ohm impedance rating, this unit compensates for the undersized wires found in many cars today. It ultimately reduces distortion so you can enjoy crisp and clear sound. 4,High Power Output: This full range bass 4in coaxial car speaker system features 280W maximum peak power output, so you can play your favorite tracks with style. 5,Omnidirectional Stereo: With a frequency response of 30Hz‑36KHz (‑20dB), it complements your current car midrange speaker enclosure system for omnidirectional stereo reproduction. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.