S 300 S4

Powerful Low-Frequency Performance

Experience rich, tight, and powerful bass with the Hertz UNO Series S-300-S4 12-inch subwoofer. Designed to deliver deep low-end response, this subwoofer utilizes a high-efficiency motor and a rigid pressed-paper cone to produce impactful bass with accuracy and control. Whether you're upgrading your factory system or building a custom setup, this sub delivers clean, distortion-free performance.

Rugged Construction and Reliable Design

Built for durability, the S-300-S4 features a robust ferrite magnet, high-temperature voice coil, and a sturdy steel basket to withstand demanding use. The single 4-ohm voice coil configuration makes it easy to pair with a variety of amplifiers, offering consistent power handling and long-lasting performance for everyday listening or competition setups.

Optimized for Sealed and Ported Enclosures

Engineered for versatility, the S-300-S4 performs exceptionally well in both sealed and ported enclosures, providing flexible installation options to suit your sound preference. In a sealed box, it delivers tight and accurate bass, while in a ported setup, it produces enhanced output and deeper extension for impactful low frequencies.

Highlights:

• 12-inch (300mm) single 4-ohm voice coil subwoofer

• 250 watts RMS / 500 watts peak power handling

• High-efficiency motor structure for precise bass reproduction

• Rigid pressed-paper cone ensures accurate low-frequency response

• Durable steel basket construction for long-term reliability

• Optimized suspension system for controlled cone movement

• High-temperature voice coil for improved heat dissipation

• Works in both sealed and ported enclosures

• Frequency response: 28Hz – 300Hz

• Sensitivity: 89 dB (1W/1m)

• Mounting depth: 5.3" (135mm)

• Ideal upgrade for factory or entry-level bass systems

Package Contains:

• (1) Hertz UNO Series S-300-S4 12" Subwoofer

• (1) Protective rubber gasket

• (1) User manual and installation guide

• (1) Warranty information card