Feature:1. [Professional Sound Quality] Premium car speakers, durable and innovative design, the perfect blend of large speakers and high powered drivers to provide better sound.2. [Heat Dissipating Voice Coil] Car speaker voice coil with a heat sink design that handles extreme heat and maintains its structural integrity, thus extending the life of the speaker.3. [Reduced Distortion] Car door speaker has 92dB (1.5dB) sensitivity and 4 ohm impedance to compensate for the undersized wires in many cars. Reduce distortion so you can enjoy crisp, clear sound.4. [600W High Power] Treble bass 6 inch coaxial car speaker system with maximum power output of 600W, you can play your favorite songs as you like and with style.5. [Stereo] This coaxial speaker has a frequency response of 30Hz36KHz (20dB), completing your current car midrange speaker enclosure system for full stereo sound.Specification:Item Type: Car SpeakersMaterial: Magnet, Metal IronSize: Approx. 6 inchesModel: YH 1608Rated Power: 20W x 2Maximum Power: 600W x 2Impedance: 4 OHMSSensitivity: 92dB (1.5dB)Frequency Range: 30Hz-36KHz (-20dB)Scope of Application: for All Car Speaker Systems.Package List:2 x Car Speakers2 x Cable8 x Screws