Hertz Uno S 300 S4 Uno Series 12-inch 250Watt RMS 4-ohm Component Subwoofer

Hertz Uno S 300 S4 Uno Series 12-inch 250Watt RMS 4-ohm Component Subwoofer

The Hertz Uno S 300 S4 is a high-performance 12-inch (300 mm) 2-way component speaker system designed to significantly enhance your car’s audio quality. Engineered with premium materials—including a pressed-paper woofer and a precision dome tweeter—this speaker delivers deep, powerful bass along with crisp, clear highs. Ideal for upgrading factory-installed speakers, the Uno S 300 S4 offers a dynamic and immersive listening experience for car audio enthusiasts.

Key Features

1. Pressed-Paper Woofer for Rich Bass
   • The robust 12-inch pressed-paper woofer provides excellent low-frequency reproduction with a balanced and punchy bass output.
2. Precision Dome Tweeter
   • Equipped with a high-quality dome tweeter (often featuring a PEI or similar material), the system delivers detailed high frequencies and an expansive soundstage.
3. Integrated Crossover Network
   • The built-in crossover ensures a seamless transition between the woofer and tweeter, optimizing frequency distribution and reducing distortion.
4. High-Efficiency Magnet System
   • Utilizes a high-flux density ferrite magnet for the woofer and a Neodymium magnet for the tweeter, enhancing power efficiency and dynamic performance.
5. Easy Installation
   • Designed with OEM integration in mind, the Uno S 300 S4 comes with versatile mounting options and accessories, allowing for a straightforward upgrade in a variety of vehicle configurations.

Technical Specifications

• Component: 2-Way Component Speaker System
• Size: 300 mm (12 in.)
• Power Handling:
  • Continuous (RMS): Approximately 125W
  • Peak: Up to 250W
• Impedance: 4 Ohms
• Frequency Response: Approximately 40 Hz – 22 kHz
• Sensitivity: ~93–95 dB SPL
• Woofer Voice Coil Diameter: ~38 mm (1.5 in.)
• Tweeter Voice Coil Diameter: ~20–25 mm (0.8–1 in.)
• Magnet Materials:
  • Woofer: High-flux density ferrite
  • Tweeter: Neodymium
• Cone Material: Pressed paper (woofer) and high-grade dome material (tweeter)
• Weight:
  • Woofer: ~0.8 kg (1.76 lbs)
  • Tweeter: ~0.05 kg (0.11 lbs)