1ADVANCED VOICE COIL HEAT SINK: Coaxial car loudspeaker features an advanced voice coil heat sink design. Can handle extreme heat and maintain its structural integrity. 290DB AND 4 OHMS: With 90dB sensitivity and a 4 ohm impedance rating, 120W car speakers compensate for the undersized wires in many of today's cars. 3120W MAXIMUM POWER OUTPUT: 120W coaxial car loudspeaker has a maximum peak power output of 120W, so you can play your favorite tracks with style. 445HZ-25KHZ FREQUENCY: Car loudspeaker has a frequency response of 45Hz25KHz. It completes your current car alto speaker enclosure system for full stereo reproduction. 5DISTORTION REDUCTION: Coaxial car speaker is the perfect blend of loud speakers and high power drivers. With reduced distortion, you can enjoy crisp, clear sound.