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  5. Competition GZCF 6.5XSPL-NEO
Ground Zero Competition GZCF 6.5XSPL-NEO 6.5" (16,5cm) Coaxial Speaker
SKU:  GZCF-6.5XSPL-NEO
EAN:  4037072026221
100 Watt

Competition GZCF 6.5XSPL-NEO

SKU:  GZCF-6.5XSPL-NEO
EAN:  4037072026221

Technical Highlights

  • The speaker offers a power handling of 100/250 watts, impedance 4 ohms.
  • The neodymium magnet impresses with an efficiency of 98 dB.
  • Low-resonance steel basket, frequency response 70 Hz – 20 kHz.
  • More technical details
00 d
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€189,25
-24% €249,00 €189,25
5% discount with credit card
inkl. VAT , possibly plus shipping
Delivery
Jun 5, - Jun 8,
x piece
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€249,00 €189,25

Competition GZCF 6.5XSPL-NEO by Ground Zero

The Competition GZCF 6.5XSPL-NEO from Ground Zero is a 6.5-inch coaxial speaker with an impedance of 4 ohms. The system features a fiber-reinforced paper diaphragm and a neodymium magnet. The power handling is rated at 100 watts RMS and 250 watts maximum. An efficiency of 98 dB and a frequency response of 70 Hz to 20 kHz characterize the technical parameters. The construction includes a resonance-optimized steel basket, a compact drive, and a long-stroke foam W-roll. A 28 mm PEI tweeter and integrated 6 dB/octave high-pass and low-pass filters are components of the 2-way system. The enclosure is UV-resistant and water-repellent and comes with a hexagon protective grille.

Features
  • 6.5-inch (16.5 cm) coaxial speaker
  • Fiber-reinforced paper diaphragm
  • Neodymium magnet
  • Resonance-optimized steel basket
  • Compact drive
  • 28 mm PEI tweeter
  • Long-stroke foam W-roll
  • 6 dB/octave high-pass filter
  • 6 dB/octave low-pass filter
  • UV-resistant and water-repellent
  • Includes hexagon protective grille
Technical Data
  • Diameter: 165 mm
  • Power: 100 watts RMS
  • Power: 250 watts max.
  • Impedance: 4 ohms
  • Efficiency: 98 dB
  • Frequency response: 70 Hz – 20 kHz
  • Installation Ø: 145 mm
  • Installation depth: 65 mm
  • Crossover frequencies: 7500 Hz

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Ground Zero Competition GZCF 6.5XSPL-NEO Datasheet

Open datasheet

Frequently Asked Questions about Competition GZCF 6.5XSPL-NEO

What features make the Competition GZCF 6.5XSPL-NEO from Ground Zero particularly durable?

The Competition GZCF 6.5XSPL-NEO from Ground Zero is primarily characterized by its robust construction, which gives it a long lifespan. The combination of fiber-reinforced paper diaphragm and UV-resistant finish ensures that the speaker does not become brittle quickly, even under intense sunlight. Additionally, the coaxial speaker is designed to be water-resistant, making it impervious to moisture and rain. Especially if you often use your vehicle in different weather conditions or like to park it outside, you will appreciate the added resilience. Furthermore, the compact drive system with neodymium magnet contributes to efficient performance while reducing weight. This way, you benefit not only from a durable speaker but also from a lightweight design that greatly simplifies installation. If you want to learn more about Ground Zero, feel free to check out our [Ground Zero overview page](/ground-zero).

How does a neodymium magnet contribute to the performance of this coaxial speaker?

A neodymium magnet offers a higher magnetic flux density than conventional ferrite magnets, allowing the Competition GZCF 6.5XSPL-NEO from Ground Zero to operate extremely efficiently. With this compact power source, the speaker can deliver impressive performance with relatively low weight. Especially if you enjoy listening to music loudly and turning up the volume on your favorite songs, you will benefit from the clear sound reproduction. The neodymium magnet provides precise control of the diaphragm movement, ensuring that the mids and highs sound detailed and balanced. Additionally, the compact design helps integrate the coaxial speaker into many cars without any issues. Overall, the neodymium magnet system not only enhances the theoretical performance values but also the actual sound performance, providing you with a vibrant musical experience in everyday life.

Why is the fiber-reinforced paper diaphragm so important for clear highs and powerful mids?

The fiber-reinforced paper diaphragm plays a central role in the sound reproduction of the Competition GZCF 6.5XSPL-NEO. Paper diaphragms are known for their natural sound characteristics, as they produce a pleasant, warm sound image. However, the additional fiber reinforcement significantly increases the material's stability, leading to more precise vibrations. As a result, highs sound very clear, and transparent details are preserved at higher volumes. At the same time, the mids deliver a clean, powerful sound, allowing vocals and instruments to be represented realistically. Especially if you value demanding sound quality, you will notice that this diaphragm technology offers you an excellent mix of naturalness and durability. Together with the BVentilation system and the W-surround, it enables a smooth and consistent performance, even during longer listening sessions.

How does the 28 mm PEI tweeter compare to other car audio tweeters?

The 28 mm PEI tweeter in the Competition GZCF 6.5XSPL-NEO presents itself as a fine combination of precision and durability. Many car audio tweeters rely on different materials, but PEI (Polyetherimide) has the advantage of being robust while also light enough for quick diaphragm movements. This results in particularly clean and distortion-free reproduction of highs. Compared to some other high-end car tweeters that use silk domes or Ring Radiator Tweeters, PEI impresses with its stability and resilience at high volumes. Especially if you like to turn it up, the sound image remains uncolored and rich in detail. This tweeter complements the fiber-reinforced paper diaphragm ideally and, in combination with the resonance-optimized steel basket and the integrated crossovers, ensures a balanced overall sound.

What benefits do the resonance-optimized steel basket and the long-stroke foam W-surround bring you in everyday life?

A resonance-free steel basket effectively prevents vibrations and discolorations in sound, as it has fewer inherent oscillations. This allows mids and bass to come through unadulterated, which becomes especially noticeable when you listen to different music genres. Whether you want to enjoy classical orchestral sounds or feel the guitar riffs in rock songs – the sound remains authentic. Additionally, the long-stroke foam W-surround gives the speaker more flexibility, allowing for greater membrane excursions. The result is a powerful, stable bass that does not lose precision even at higher volumes. Especially in everyday life, when you like to turn up the volume on your way to work, this construction ensures consistently high sound quality without annoying rattling or booming.

If you drive a BMW, Audi, Mercedes, or VW, does this speaker fit in your vehicle?

Due to its compact design and standardized 6.5-inch diameter, the Competition GZCF 6.5XSPL-NEO is generally suitable for many common European car brands. The installation depth of only 65 mm makes the speaker flexible and allows for installation even in tighter door panels. With an installation diameter of 145 mm, an impedance of 4 ohms, and integrated crossovers, you can usually use the existing connections, simplifying the installation. However, you should always quickly check the exact measurements in your vehicle and pay attention to the installation depth. Especially with sporty car models that have limited interior space or specific door panels, a quick look at the technical specifications helps ensure everything fits smoothly.

What role do the integrated high-pass and low-pass filters play in this 2-way system?

The integrated high-pass and low-pass filters in the Competition GZCF 6.5XSPL-NEO ensure that the respective frequency ranges land precisely on the right chassis. This way, the 28 mm PEI tweeter is specifically supplied with the highs, while the fiber-reinforced paper cone takes care of the mids and lower frequencies. The high-pass filter kicks in at 7500 Hz and relieves the tweeter in lower frequency ranges, preventing overload. The low-pass filter ensures that low and mid tones are reproduced cleanly. In this way, you achieve a clear separation between highs and mids, leading to a balanced sound image. Especially if you value clear details and powerful sound, this 2-way system is an excellent solution.

How does the compact drive system affect the installation?

The compact drive system in the Competition GZCF 6.5XSPL-NEO from Ground Zero helps ensure that the speaker has a relatively small footprint despite high power ratings. This makes installation easier in many vehicles, as you may need to make fewer adjustments to the door panel or interior trim. This is a clear advantage, especially in smaller vehicles and when space is limited. The integration is supported by a reduced depth and lighter weight, making installation safer and protecting the speaker from damage during setup. This way, you can quickly focus on what matters: powerful, clear sound. With an efficiency of 98 dB, the performance unfolds even at moderate amplifier settings.

What is the high efficiency of 98 dB particularly suitable for?

The high efficiency of 98 dB in the Competition GZCF 6.5XSPL-NEO means that the speaker achieves a remarkable volume even with relatively low amplifier power. This is especially practical if you want to upgrade your existing sound system without having to install a huge amplifier. You will notice how confidently and clearly the highs and mids come through, even when you are not pushing it to the limit. This is advantageous for fans of loud music, as the sound is rich and details do not get lost. Additionally, the speaker can handle up to 250 watts of maximum load, providing extra reserves when you want to crank it up. This way, you can enjoy an impressive musical experience in your car for as long as possible.

Why is a UV-resistant and water-repellent speaker sensible?

Especially if you often park your car outside or it sits in the blazing sun during summer, you benefit from a UV-resistant speaker. The materials of the Competition GZCF 6.5XSPL-NEO remain stable longer due to this treatment and do not lose their flexibility as quickly. This is particularly important for maintaining sound quality and long durability. Water-repellent properties are also a significant advantage, especially in moisture from rain or high humidity. Often, some water can get inside the vehicle when windows or doors are open, which could damage the diaphragm. However, concerns in this regard are reduced with this model. Thanks to the fiber-reinforced paper diaphragm and special coatings, your speaker remains sonically fit and robust, even when you drive your car through all weather conditions.

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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Shipping was fast and everything arrived well packaged with no issues. Regarding the products, the AluButyl provides very good sound deadening performance, with solid material that is easy to work with, ideal for doors and areas where vibration reduction is required.

The trim removal tool set is very useful for disassembling interior panels without damaging plastics or clips, especially in delicate areas, while the M8 ring terminals are of very good quality, offering solid contact and a robust finish, ideal for safe and professional power installations.

Overall, very satisfied with the purchase. High-quality materials suitable for professional-level car audio builds or well-finished personal projects, and a highly recommended store.

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Very good experience purchasing several car audio installation products through Masori: Zeus AluButyl 140dB, the Montagehebelset Keile 3-piece soft trim removal tool set, and the 10–100 mm² M8 ring terminal set.

Shipping was fast and everything arrived well packaged with no issues. Regarding the products, the AluButyl provides very good sound deadening performance, with solid material that is easy to work with, ideal for doors and areas where vibration reduction is required.

The trim removal tool set is very useful for disassembling interior panels without damaging plastics or clips, especially in delicate areas, while the M8 ring terminals are of very good quality, offering solid contact and a robust finish, ideal for safe and professional power installations.

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Shipping was fast and everything arrived well packaged with no issues. Regarding the products, the AluButyl provides very good sound deadening performance, with solid material that is easy to work with, ideal for doors and areas where vibration reduction is required.

The trim removal tool set is very useful for disassembling interior panels without damaging plastics or clips, especially in delicate areas, while the M8 ring terminals are of very good quality, offering solid contact and a robust finish, ideal for safe and professional power installations.

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