The MB Quart 490 MCS is a mobile audio subwoofer designed to deliver powerful bass performance in car audio systems. It features a robust construction that includes a cast aluminum frame for durability and a well-designed enclosure that enhances sound quality. The subwoofer typically has a peak power rating of around 1000 watts and an RMS power handling capacity of approximately 250 watts, making it suitable for enthusiasts who value both volume and clarity in their audio experience. With a frequency response that usually ranges from 28 Hz to 1 kHz, it excels in reproducing deep low frequencies accurately. Additionally, the subwoofer is equipped with a polypropylene cone, which contributes to its lightweight yet rigid characteristics, allowing for better responsiveness and reduced distortion. The overall design aims to provide a balanced performance that can satisfy both casual listeners and those who demand more from their audio setup.