Ground Zero Competition GZCC 165.2SQL 6.5" (16.5cm) speaker set

Name: Ground Zero Competition GZCC 165.2SQL 6.5 inch speaker set
Brand: Ground Zero
Price: 305.15 EUR
Availability: OutOfStock
Rating: 5.0 (1 reviews)

1 Review

Max, Mikael and 53k+ customers already with Masori sound upgrade

Ground Zero Competition GZCC 165.2SQL 6.5" (16.5cm) speaker set

1 Review

2-way speaker system, 160 watts RMS, 4 ohms, fiber-reinforced membrane.
Long-throw foam W-surround, CCA voice coil, low-resonance steel basket.
SPL crossover, double woofer option, including protective grille.
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CrunchGTI6.2E

Ground ZeroRadioactive SQ GZRC 165.2SQ

Competition GZCC 165.2SQL by Ground Zero

The Competition GZCC 165.2SQL is an innovative 6.5 inch speaker set from Ground Zero. It is a 165mm 2-way component speaker system with an SQL tweeter. This speaker set stands out with its special features, such as a fiber-reinforced paper cone, long-throw foam W-surround, CCA voice coil, and a low-resonance steel basket. In addition to its high power handling with a 4 Ohm version, it offers an SPL crossover with dual woofer option and belongs to the 2-way component speaker system category. It is easy to install and also includes a protective grille. This speaker set delivers a great sound setting for your listening experience.

Features

6.5 inch speaker set
2-way SPL component speaker system
Fiber-reinforced paper cone
Long-throw foam W-surround
CCA voice coil
Low-resonance steel basket
High-power 4 Ohm version
GZCT 25SQL
SPL crossover with dual woofer option
Includes protective grille

Specifications

Type: 2-way component speaker system
Diameter: 165 mm
Power handling (RMS / max.): 160/300 Watts
Impedance: 4 Ohm
Sensitivity: 96 dB
Frequency response: 50 Hz - 22 kHz
Tweeter: GZCT 25SQL
Woofer / midrange speaker: GZCK 165XSPL
Mounting diameter: 145 mm
Mounting depth: 71.5 mm
Crossover: 2-way with dual woofer option
Crossover frequency: 4500 Hz

Frequent questions about Competition GZCC 165.2SQL

Welche besonderen Merkmale bietet das Ground Zero Competition GZCC 165.2SQL Lautsprecherset?

The Ground Zero Competition GZCC 165.2SQL is a 6.5-inch component speaker system that features some remarkable technical characteristics. It has a fiber-reinforced paper cone that ensures excellent sound performance. The long-stroke foam W-surround provides excellent flexibility and durability while controlling vibrations. A CCA voice coil improves efficiency in converting electrical energy into acoustic power. The resonance-free steel basket minimizes vibrations and ensures clear sound. Additionally, it offers an SPL crossover with dual woofer option to further optimize the sound.

Welche Frequenzbereiche deckt das Competition GZCC 165.2SQL Lautsprecherset ab?

The Competition GZCC 165.2SQL from Ground Zero covers a frequency range of 50 Hz to 22 kHz. This wide coverage allows the speaker set to reproduce deep bass as well as high tones accurately. The tweeter GZCT 25SQL is specifically designed to reproduce high-frequency audio components clearly and in detail, while the woofer and midrange speaker GZCK 165XSPL covers the low and mid frequencies. This results in a harmonious and full sound image that impresses both at low and high listening volumes.

Wie hoch ist die Belastbarkeit des Ground Zero Competition GZCC 165.2SQL Lautsprechers?

The Competition GZCC 165.2SQL features a high load capacity, which is reflected in the RMS load capacity of 160 watts and a maximum load capacity of 300 watts. This characteristic makes the speaker system ideal for users who enjoy listening at higher volumes without having to compromise on sound quality. The 4-ohm impedance also contributes to the efficiency of power conversion, allowing the speakers to deliver more power with a consistent power supply. This load capacity is particularly advantageous for music lovers seeking a full and dominant sound characteristic.

Wie ist die Effizienz des Competition GZCC 165.2SQL in Bezug auf den Wirkungsgrad?

The efficiency of the Ground Zero Competition GZCC 165.2SQL speaker system is specified at 96 dB. This high efficiency indicates that the speakers are capable of producing a high sound pressure level even with low power input. The high efficiency results, among other things, from the efficient CCA voice coil, which is optimally matched to the overall structure of the 2-way components. This allows users to experience full sound development even at lower power settings. This is particularly useful in installations where energy efficiency is a factor.

Welche Tipps gibt es für die Installation des Competition GZCC 165.2SQL Lautsprechersets?

For the installation of the Competition GZCC 165.2SQL, the installation diameter of 145 mm and the installation depth of 71.5 mm should be taken into account. A correct installation position in the vehicle is crucial for sound quality. The included resonance-optimized steel basket should be securely mounted at the installation site to avoid unwanted vibrations. Additionally, it is advisable to carefully install the SPL crossover with dual woofer option to utilize the full sound range of the system. The installation is relatively simple and can be further secured with the included protective grilles.

Wie beeinflusst die CCA Schwingspule die Klangqualität der Competition GZCC 165.2SQL Lautsprecher?

The CCA voice coil (Copper-Clad Aluminum) of the Competition GZCC 165.2SQL plays a central role in sound reproduction. The use of these lightweight yet stable materials enables efficient conduction of electrical signals, leading to improved sound conversion. This voice coil helps ensure that sound elements are heard clearly and precisely by minimizing distortion and allowing the speakers to operate cleanly even at high volumes. The interaction with the long-stroke foam W-surround also supports dynamic sound reproduction.

Welche Rolle spielt der resonanzarme Stahlkorb beim Ground Zero Competition GZCC 165.2SQL?

The resonance-optimized steel basket of the Competition GZCC 165.2SQL is crucial for the acoustic performance of the speaker. This specially designed steel basket serves to ensure the structural integrity of the speaker system while minimizing resonances that could impair sound quality. Its robust construction helps reduce vibrations, leading to a clearer and more unclouded sound image. Furthermore, the steel basket provides a stable frame structure that allows for precise movement of the diaphragm, which in turn supports the accuracy of sound reproduction.

Welche Komponenten umfasst das 2-Wege Lautsprechersystem des Competition GZCC 165.2SQL?

The 2-way speaker system in the Competition GZCC 165.2SQL consists of several precisely tuned components. The tweeter GZCT 25SQL is responsible for reproducing high-frequency sounds, delivering clear and sharp sound details. The woofer and midrange speaker GZCK 165XSPL is designed to powerfully reproduce deep bass and midrange frequencies. This system is complemented by the 2-way crossover, which operates at a crossover frequency of 4500 Hz and optimizes the sound flow between the components. This combination allows for a balanced and detailed soundscape.

Wie wirkt sich die SPL Frequenzweiche auf das Klangbild des Ground Zero Competition GZCC 165.2SQL aus?

The SPL crossover of the Competition GZCC 165.2SQL plays a central role in sound optimization. With its special adjustment featuring a crossover frequency of 4500 Hz, the crossover ensures a harmonious distribution of frequencies between the tweeter and the mid-bass speaker. This allows for precise tuning of the sound components, resulting in a balanced and crystal-clear sound image. The dual option for the woofer also provides flexibility in sound design, which is of particular interest to audiophiles seeking to achieve their ideal sound.

Mit welchen Automarken ist das Ground Zero Competition GZCC 165.2SQL kompatibel?

The compatibility of the Ground Zero Competition GZCC 165.2SQL speaker with vehicles primarily depends on the installation dimensions. With an installation diameter of 145 mm and a mounting depth of 71.5 mm, the system fits into a variety of car radio installation slots of common car brands. While no specific car brands are mentioned in the description, the dimensions can be applied to numerous market-standard vehicles. However, a more precise examination of the vehicle's interior dimensions before installation is recommended to ensure that the speakers fit into the existing installation position and function optimally.

Herstellerinformation/verantwortliche Person

Ground Zero GmbH
Erlenweg 25
85658 Egmating, Germany

Tel +49 (0)8095 873 830

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

Let customers speak for us

from 9059 reviews

Jean François Tedesco

Alpine tube 12 bazooka , Un sacré caisson de basses ,

Un sacré caisson de basses , j'ai eu un 46 cm killer 454 de l'époque année 90 , qui tapait vraiment bien , mais ce tube est bien plus fort et plus ample, toutes les basses passent sans problème, avec une télécommande à réglage multiples taramps eq bass , et un ampli Machete de masori , le couple est parfait, personnellement j'en ai deux tubes et ça donne énormément, avec l'ampli 2 x 530 en 4 ohms . Parfois le plus simple est bien meilleur et plus durable .

SWT-12S4

11/29/2025

Bartosz Erber

X-10 v3 d2

Hallo. Sehr freundlicher Kundenservice und schnelle Auftragsabwicklung. Der Lautsprecher ist brandneu und unbenutzt. Ich habe ihn vor einiger Zeit gekauft, aber erst kürzlich das Gehäuse fertiggestellt. Die Parameter entsprechen den Herstellerangaben: 42,5 Liter Nettovolumen, abgestimmt auf 32 Hz und 21 mm starkes Sperrholz. Ich hatte noch nie einen 10-Zoll-Lautsprecher und wusste nicht, was mich erwartet, aber das Ergebnis hat meine kühnsten Erwartungen übertroffen. Der Bass aus einem so kleinen Lautsprecher in einem so kleinen Gehäuse ist einfach unglaublich. Um den X-10 zu kaufen, habe ich meinen DD 712f in einem 70-Liter-Gehäuse verkauft, und der war ein Volltreffer. Der Sundown ist in jeder Hinsicht besser. Ich kann diesen Lautsprecher und den Händler, bei dem ich ihn gekauft habe, wärmstens empfehlen. Beste Grüße.

X10 v3

11/18/2025

tatazz

Est arrivé à la maison très rapidement

Est arrivé à la maison très rapidement 👌🏽

Hydrogen GZHW 25XSPL

11/13/2025

Anonym

.

Geht echt gut und leicht zum einstellen

GPX2200.1D

11/12/2025

Georges, Alexander, Vainohoarii NAGLE

Très satisfaisant.

Bonjour, je reçu le colis bien emballé.
Je recommande vivement, la livraison est gratuite et rapide, je recommanderai sûrement encore chez Masori.

RS-YS12

11/10/2025

SPYRIDON D.

Bought again

Bought again. Great price, fast delivery, nice !

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11/06/2025

Arthur Mol

Perfect sound, I bough 2 pairs for the door and

Perfect sound, I bough 2 pairs for the door and the difference between these and the stock ones are huge

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Très bonne qualité
Envoie rapide et soigné
Je recommande

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Preis/Leistung Qualität top!

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Ich habe den Woofer in meinem Skoda Octavia 3 mit Canton Soundsystem eingebaut.
Der Einbau war Plug & Play, alles passt perfekt ohne Anpassungen.
Im Vergleich zum originalen Canton Subwoofer spielt dieser deutlich stärker, präziser und mit mehr Druck.
Ich kann den Woofer jedem empfehlen, der mehr Bass aus dem Canton-System herausholen möchte – lohnt sich absolut!

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