4" speakers✅ 【High-Quality Stereo Sound】 - 4-inch coaxial speaker, 300W peak, 4Ω impedance, offers clear high frequencies and rich mid-low frequencies, enhancing the original vehicle's sound quality. ✅ 【Durable Upgrade Materials】 - Premium Carbon Fiber Cones + rubber suspension edge, moisture-proof, corrosion-resistant, high-temperature-resistant voice coil, suitable for various interior environments, longer lifespan. ✅ 【Easy Installation】 - Standard 4-inch universal design, Direct replacement for most factory 4" speakers with included mounting hardware; compatible with cars, trucks, and SUV, Motorcycles, boats, home decoration, and DIY can all meet your creativity and demands. (please confirm compatibility before installation). ✅ 【High Sensitivity】 - 90dB sensitivity. Even when directly powered by the original vehicle's audio system, it can significantly increase the volume without the need for an additional amplifier. ✅ 【Super Value Set】 - 2-piece (1 on each side), fully replaces the original factory speaker. high performance-price ratio， ready to install immediately. Upgrade your factory speakers with these high-performance 4" coaxial speakers featuring advanced Carbon Fiber Cones technology. The perfect balance of power and clarity for your daily drive.