The30 cm (12) S 300 S4 car audio subwoofer, designed to obtain powerfuldeep bass in any installation, is the last addition to the Uno product range.Thanks to theefficiency of 89.5 dB, achieved using lightweight materials such as paper for the cone and high density foam for the suspension, the component provides the ability to easily reach high sound pressures in the car compartment.The exclusivepatented V-conesystem ensures maximum stiffness through wide excursions, thus obtaininglow undistorted frequencies at high volume.TheS 300 S4 is optimized for both reflex and sealed enclosures.Theresonance frequency is as low as 33 Hz,a particularly low value considering the speakers high efficiency. This figure proves the degree of commitment of the Hertz R&D team to the project, aiming at .
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