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 30Hz‑36KHz (‑20dB), completing your current car midrange speaker enclosure system for full stereo sound. How to Use: Install and use it. Specification: Item Type: Car Speakers Material: Magnet, Metal Iron Size: Approx. 6 inches Model: YH 1608 Rated Power: 20W x 2 Maximum Power: 600W x 2 Impedance: 4 OHMS Sensitivity: 92dB (±1.5dB) Frequency Range: 30Hz-36KHz (-20dB) Scope of Application: for All Car Speaker Systems Package List: 2 x Car Speakers 2 x Cable 8 x Screws