The Hertz CS 200 S4 is a 200 mm subwoofer from the Cento series, designed to bring deep, controlled bass to your vehicle's audio system. It handles 150 W of continuous power and can reach peaks of 300 W, utilizing a 35 mm copper voice coil with six layers and a polyimide former to maintain stability during demanding playback. The cone is crafted from polypropylene with a nitrile rubber surround, all supported by a sturdy steel chassis and a high-density flux ferrite magnet. Engineered for efficiency, this driver features a fluid dynamic optimization system and FEM-simulated geometry for the cone and dust cap to ensure precise movement. With an Xmax of 9 mm and a mounting depth of 101 mm, it fits well into various installations, especially since it lacks a rear decompression hole for more compact placement. You can install it in a sealed box of 9.6 liters or a reflex box of 14.5 liters, connecting your cables up to 8 AWG via the push contact terminals. Weighing 2.87 kg, it is a solid choice for those seeking a balanced low-frequency extension in a relatively small footprint.