Features: 1.Professional Design: This car door speaker features a premium, durable and innovative design that blends a large volume speaker with a high powered driver. 2.Premium Voice Coil: Car speaker has a heat sink design voice coil for better heat dissipation, which can handle extreme heat and maintain its structural integrity for long service life. 3.Distortion Reduction: 93dB sensitivity and 4 Ohm impedance rating compensates for undersized wires in many cars, reducing distortion and enjoying crisp, clear sound. 4.High Power: High power midrange coaxial car speaker with 300W maximum power output, you can play your favorite songs as you like and with style. 5.Stereo: The coaxial speaker with a frequency response of 60Hz to 20KHz, you can perfect your current car midrange speaker enclosure system to achieve full stereo reproduction. specification:Item Type: Car Door Speaker Material: Magnet, Metal Iron Size: Approx. 4 inches Model: TS 406 Maximum Power: 300W Impedance: 4 OHMS Sensitivity: 93dB (1.5dB) Frequency Range: 60Hz-20KHz Scope of Application: for All Car Speaker Systems PackageList:1 xCar Door Speaker NoteManual measurement, please allow some errors.