Features: 1.EXCELLENT BLEND: Car loudspeaker features an excellent, durable and innovative design that blends a loud speaker with a high power driver, making the car speaker more effective to use. 2.SENSITIVE: Car speakers have 92dB (1.5dB) sensitivity and a 4 ohm impedance rating to compensate for undersized wires. It ultimately reduces distortion, so you can enjoy clear sound. 3.600W: High and low sound 6in coaxial car speaker system has a maximum peak power output of 600W, so you can play your favourite tracks as often as you like, and is designed with style. 4.HEAT DISSIPATION: Car speaker features an advanced voice coil heatsink design for better heat dissipation, handling extreme heat and maintaining its structural integrity for a long life. 5.FREQUENCY RANGE: 600W coaxial car loudspeaker has a frequency response of 30Hz to 36KHz to complete your current car midrange speaker enclosure system for full stereo sound. specification:Item Type: Car Loudspeaker Material: Magnet, Metallic Iron Model: YL 1698B Rated Power: 40Wx2 Maximum Power: 600Wx2 Impedance: 4 OHMS Sensitivity: 92dB (1.5dB) Frequency Range: 30Hz to 36KHz Range of Application: Suitable for All Car Sound Systems PackageList:2 x CarLoudspeaker2 x Cable2 x Speaker Panels8 x Screws