The Hertz DS 25.3 is a 10-inch (250 mm) subwoofer from the Dieci Series, engineered to deliver high-efficiency bass performance with exceptional power handling. It boasts a peak power of 600 watts and an RMS power of 150 watts, ensuring robust and consistent low-frequency output. The subwoofer features a single 4-ohm voice coil, allowing for versatile integration into various car audio systems. Constructed with a mica-injected polypropylene (MIPP) cone and a high-excursion butyl rubber surround, the DS 25.3 provides accurate bass reproduction with minimal distortion. Its frequency response ranges from 32 Hz to 400 Hz, capturing deep bass tones effectively. With a sensitivity of 89 dB SPL, it efficiently converts power into impactful sound. The subwoofer's physical dimensions include an overall diameter of 257 mm (10.2 inches) and a mounting depth of 116 mm (4.6 inches), making it suitable for installation in compact sealed or reflex enclosures. An efficient cooling system ensures optimal heat dissipation, enhancing the subwoofer's reliability and longevity. Whether you're upgrading your current setup or building a new one, the Hertz DS 25.3 subwoofer offers a compelling combination of performance and durability for an enhanced in-car audio experience.