The MB Quart PMB 85 is a high-performance coaxial speaker designed for automotive audio systems. With a focus on delivering quality sound and durability, this model features a 8-inch subwoofer paired with a 1-inch dome tweeter that produces a dynamic range of frequencies. The PMB 85 is characterized by its robust construction which includes a polypropylene cone for the woofer and a rubber surround that enhances longevity and sound quality. The speaker has a sensitivity rating of approximately 90 dB, allowing it to produce ample sound output even with lower-powered amplifiers. It operates with an impedance of 4 ohms, making it compatible with a wide range of car audio setups. The frequency response ranges from around 40 Hz to 20 kHz, ensuring that both deep bass notes and high treble frequencies are accurately reproduced. Its design also emphasizes ease of installation, making it suitable for various vehicle types. Overall, the MB Quart PMB 85 aims to provide a balanced audio experience for music enthusiasts on the road.