The Pyle 4"" Two-Way Car Speakers deliver 180 watts of powerful sound with a blue poly-injection cone and non-fatiguing butyl rubber surround. These speakers feature a 0.5'' neodymium film dome tweeter and a 0.75'' high-temperature Asv voice coil for clear highs and mids, providing a fuller range sound. The 20 oz magnet structure offers a frequency response of 110 Hz to 20 kHz, ensuring that your music sounds rich and balanced. These speakers are an ideal upgrade for factory speakers, offering improved audio clarity.