The Hertz CS 300 S2 is a 12-inch subwoofer from the Cento series, designed to bring deep, controlled bass to your car's audio system. It handles a continuous power of 350 W and can reach peaks of 700 W, utilizing a 2 Ohm impedance for efficient performance. The internal build features a 35 mm voice coil made of six layers of pure copper on a heat-resistant glass fiber support, paired with a high-density flux ferrite magnet to ensure clear sound even at high volumes. Its physical construction focuses on durability and precision, featuring a polypropylene cone and dust cap shaped via FEM simulations to minimize low-frequency distortion. A nitrile rubber surround allows for an Xmax of 12.5 mm, while a fluid dynamic optimization system reduces acoustic distortions during high excursions. The unit is quite compact with a mounting depth of 130 mm and weighs 4.844 kg, making it easier to fit into various vehicle spaces. Because it lacks a rear decompression hole and has a compact magnetic group, you can shape custom enclosures tightly around the driver to save space. It is optimized for boxes starting from 32 liters and includes a terminal block with push contacts that accept cables up to 8 AWG for simple wiring. For those wanting extra protection, the design includes an ABS plastic gasket compatible with the optional CG 300 grille.