3. 12 inch car Subwoofer
  5. Iridium GZIW 300

Iridium GZIW 300

6 reviews

350 Watt

Iridium GZIW 300

6 reviews

Technical Highlights

  • 350 Watt power, 4 Ohm impedance, 88 dB efficiency.
  • 3D HQPP membrane, 50-mm copper voice coil.
  • Klippel-optimized, low-resonance steel basket, durable.
  • More technical details
€141.55
-5% €149.00 €141.55
2% discount with credit card

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ProductIridium GZIW 300

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datasheet
The Ground Zero Iridium GZIW 300 is a large black 12 subwoofer with a metallic logo, shown angled on a white background, delivering 350W RMS power.
€141.55
€149.00 €141.55

Iridium GZIW 300 is a 12-inch (30 cm) Subwoofer from Ground Zero featuring a 3D HQPP diaphragm, Klippel® optimization, and a resonance-optimized steel basket. It includes a long-stroke rubber surround, a 50 mm copper voice coil, and polycot centering. The IMPP dust cap with a 3D logo is present. Technical specifications include 350 watts RMS, 4 ohms, 88 dB efficiency, and a maximum excursion of 28 mm. Cutout diameter is 287 mm and installation depth is 149 mm. Other parameters are a resonance frequency of 30 Hz, a total Qts of 0.58, and an equivalent air volume Vas of 69.3 l, as well as a power recommendation of 200–400 watts.

Features
  • 12-inch (30 cm) Subwoofer
  • Klippel® optimized
  • HQPP diaphragm with 3D structure
  • Long-stroke rubber surround
  • Resonance-optimized steel basket
  • 50 mm copper voice coil
  • Polycot centering
  • IMPP dust cap with 3D logo
Technical Data
  • Diameter 30 cm
  • Power handling (RMS) 350 watts
  • Power recommendation 200–400 watts
  • Impedance 4 ohms
  • Efficiency 88 dB
  • Max. excursion (Xmax) 28 mm
  • Cutout diameter 287 mm
  • Installation depth 149 mm
  • Resonance frequency (Fs) 30 Hz
  • Total Q (Qts) 0.58
  • Equivalent air volume (Vas) 69.3 l

Frequently Asked Questions about Iridium GZIW 300

What are the main features of the Ground Zero Iridium GZIW 300 Subwoofer?

The Iridium GZIW 300 from Ground Zero is a 12" Subwoofer with a 3D HQPP membrane that offers maximum sound enjoyment through Klippel® optimization. The resonance-optimized steel basket construction enhances the rich sound. The 50 mm copper voice coil and polycot center are optimized for precise reproduction and long lifespan. Additionally, the striking IMPP dust cap with a 3D logo gives the Subwoofer a unique aesthetic, while the long-stroke rubber surround ensures dynamic bass reproduction. A component for discerning sound enthusiasts.

What are the performance specifications of the Ground Zero Iridium GZIW 300?

The Iridium GZIW 300 delivers an RMS power of 350 watts and can handle a maximum power between 200 and 400 watts. Its nominal impedance is 4 ohms, allowing it to be integrated into complementary audio systems. With an efficiency of 88 dB, it is optimized to produce loud and clear bass. The maximum excursion of 28 mm provides impressive bass movement, reaching deep into the frequencies and achieving a resonance frequency of 30 Hz. A Subwoofer for uncompromising audio awareness.

What are the dimensions of the Ground Zero Iridium GZIW 300?

The Ground Zero Iridium GZIW 300 Subwoofer has a diameter of 30 cm and a mounting depth of 149 mm. The mounting diameter is 287 mm, which should be considered when planning integration into an existing sound system. These compact dimensions make it the ideal Subwoofer for various vehicle models, provided the available space allows for the necessary installation size. The thoughtful design enables efficient installation of the Subwoofer in the vehicle acoustics, ensuring an ideally tuned bass note without sacrificing valuable space.

What is the construction of the voice coil of the Iridium GZIW 300?

The Iridium GZIW 300 is equipped with a 50 mm copper voice coil. This technical feature enables optimal electromagnetic performance and improves the thermal handling of the Subwoofer, contributing to better overall performance. The copper voice coil is optimized to produce precise bass at high volumes while simultaneously expanding creative possibilities for sound enthusiasts. The polycot centering supports the voice coil in precise alignment and uniform movement to minimize distortion and ensure lasting listening enjoyment.

What materials are used for the membrane of the GZIW 300?

The Ground Zero Iridium GZIW 300 uses an HQPP membrane with a 3D structure that provides excellent strength and stiffness. This design optimizes the acoustic properties, allowing the Subwoofer to produce deep and precise bass. The innovative 3D texture of the membrane helps highlight sound details and enhances overall sound quality. Especially if you enjoy listening to music at high volumes, the robust material choice of the HQPP membrane ensures that the Subwoofer distributes the pressure of the bass well and remains composed even at high volumes.

What material is responsible for the dust protection of the GZIW 300?

The dust protection of the Iridium GZIW 300 consists of an IMPP dust cap adorned with an impressive 3D logo. This material is not only aesthetically pleasing but also functional, as it protects the internal components of the Subwoofer from dust and dirt. The IMPP construction contributes to acoustic optimization by stabilizing the movement of the membrane and providing uniform resonance support. This design integrity ensures that the Subwoofer maintains its performance even under demanding operating conditions and stands out visually.

How does the Klippel® optimization affect the GZIW 300?

The Klippel® optimization of the Ground Zero Iridium GZIW 300 ensures precise motion control of the membrane and enhances the performance of the entire Subwoofer. This technology optimizes the magnetic field symmetry and increases the linearity of sound reproduction, resulting in clean, uncolored bass. Sound enthusiasts benefit from improved distortion minimization and increased dynamic range. Thanks to the Klippel® optimization, the Subwoofer can deliver its maximum performance more efficiently and over a longer operating period, making it an excellent choice for sound purists.

What impact does the resonance-optimized steel basket construction have on the GZIW 300?

The resonance-optimized steel basket construction of the Iridium GZIW 300 significantly influences the stability and longevity of the Subwoofer. This construction minimizes unwanted cabinet vibrations and effectively absorbs back resonances that could impair sound quality. The stable steel basket allows for more efficient bundling of bass frequency energy and provides an excellent base for the diaphragm and voice coil. This results in outstanding mechanical strength, which is essential during peak performance to ensure consistent sound quality.

How do the Thiele Small parameters affect the sound of the GZIW 300?

The Thiele Small parameters, such as the resonance frequency (Fs) of 30 Hz, total quality factor (Qts) of 0.58, and equivalent air volume (Vas) of 69.3 L, play a central role in the design of the Ground Zero Iridium GZIW 300. They determine the acoustic behavior of the Subwoofer in a cabinet, allowing for precise modeling of frequency reproduction. These parameters influence how the Subwoofer performs in different cabinet types—whether sealed or bass reflex. Proper application of these parameters enables optimal configuration of the Subwoofer to meet your individual sound requirements.

How is the Iridium GZIW 300 Subwoofer optimally installed?

To optimally install the Iridium GZIW 300, it is important to consider the installation diameter of 287 mm and the installation depth of 149 mm. These precise measurements are crucial for securely and efficiently integrating the Subwoofer into the cabinet or vehicle. It is recommended to mount the Subwoofer in a cabinet that is tuned to the Thiele Small parameters. This ensures optimal bass reproduction. Additionally, care should be taken to leave sufficient space for ventilation and to avoid any cables obstructing airflow and performance.

Manufacturer information/responsible person

Ground Zero GmbH
Erlenweg 25
85658 Egmating, Germany

Tel +49 (0)8095 873 830

E-Mail: info@ground-zero-audio.com

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