Item Type: Coaxial Car Speaker <br>Material: Magnet + Metal Iron <br>Rated Power: 40W x 2 <br>Maximum Power: 500W x 2 <br>Impedance: 4 OHMS <br>Sensitivity: 90dB <br>Frequency Range: 60Hz-20KHz <br>Application: For All Car Audio Systems1、Universal Fit: The durable and innovative design blends high volume speakers with high power drivers, suitable for all car audio systems. <br>2、500W High Power: This treble and bass coaxial car speaker system has 500W maximum peak power output, so you can play your favorite tracks as you like. <br>3、4 Ohm Impedance: With 90dB sensitivity and a 4 ohm impedance rating, the unit compensates for the undersized wires in many cars today. Distortion is reduced so you can enjoy crisp, clear sound. <br>4、Perfect Stereo Reproduction: With 40Hz?20KHz frequency response, it complements your current automotive midrange speaker housing system for omni directional stereo reproduction. <br>5、Fast Heat Dissipation: Voice coils can handle extreme heat and maintain their structural integrity, which means your speakers have a long lifespan. Advanced voice coil heat sink design for better heat dissipation.2 x Speaker<p>2 x Speaker Cover</p>