Feature: 1. Stable Heat Dissipation: The voice coil heat sink is designed to handle extreme heat and maintain structural integrity, which ensures the car horn speaker has a long lifespan 2. 60Hz to 20KHz: The 5in coaxial car speakers have a frequency response of 60Hz to 20KHz, which can complete the car midrange speaker housing system and achieve omnidirectional stereo sound 3. 400W Output: The speakers for car sound system have a maximum power output of 400W, so you can play your favorite tracks at will with a unique style 4. 4 OHMS 93dB: The black car speakers feature 93dB sensitivity and a 4 ohm impedance rating to compensate for the undersized wires found in many cars today, reducing distortion 5. Convenient and Practical: The car speakers combine high volume speakers with high power drivers in a durable and innovative design Specification: Item Type: Car Speakers Material: Magnet, Metal Iron Maximum Power: 400W Impedance: 4 OHMS Sensitivity: 93dB (±1.5dB) Frequency Range: 60Hz to 20KHz Scope of Application: Suitable for All Car Sound Systems. Package List: 1 x Car Speakers