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Ground Zero Competition GZCM 6.5XSPL 6.5" (16,5cm) Mid-Woofer
SKU:  GZCM-6-5XSPL
120 Watt

Competition GZCM 6.5XSPL

SKU:  GZCM-6-5XSPL

Technical Highlights

  • Max. power handling 320 watts, impedance 4 ohms, efficiency 95 dB.
  • Frequency response 150 Hz – 11 kHz, 30 mm CCA voice coil, 165 mm diameter.
  • Mounting diameter 143 mm, mounting depth 74 mm, water-repellent diaphragm.
  • More technical details

10% Code

"VORBESTELLUNG-10"
€79,00
€79,00 €79,00
inkl. VAT , possibly plus shipping
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€79,00
€79,00 €79,00

Competition GZCM 6.5XSPL by Ground Zero

The Competition Ground Zero GZCM 6.5XSPL is a 6.5-inch mid-bass speaker with a power handling of 120 Watts RMS and 320 Watts maximum. The construction features a resonance-optimized steel basket and a fiber-reinforced, water-resistant paper cone with a paper dust cap. It is driven by a ferrite magnet combined with a 30 mm CCA voice coil. The speaker has an impedance of 4 Ohms and an efficiency of 95 dB. The system covers a frequency range of 150 Hz to 11 kHz and has a resonance frequency of 86 Hz. The UV-resistant components are packaged in pairs. For installation, a cutout diameter of 143 mm and a mounting depth of 74 mm are required.

Features
  • 6.5-inch (16.5 cm) mid-bass speaker
  • High-power midrange speaker
  • Power: 120 Watts RMS
  • Power: 320 Watts maximum
  • Fiber-reinforced paper cone
  • Water-resistant and UV-resistant
  • Resonance-optimized steel basket
  • 30 mm CCA voice coil
  • Ferrite magnet
  • Paper dust cap
  • Packaging unit: 1 pair
Technical Specifications
  • Diameter: 165 mm
  • Impedance: 4 Ohms
  • Efficiency: 95 dB
  • Frequency response: 150 Hz – 11 kHz
  • Resonance frequency (Fs): 86 Hz
  • Cutout diameter: 143 mm
  • Mounting depth: 74 mm

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6.5" (16,5cm) Mid-Woofer available now

    Ground Zero Competition GZCM 6.5XSPL Datasheet

    Open datasheet

    Frequently Asked Questions about Competition GZCM 6.5XSPL

    What are the technical specifications of the Ground Zero GZCM 6.5XSPL?

    The Ground Zero GZCM 6.5XSPL is a 165 mm high-performance midrange speaker with a maximum power handling of 320 watts. It features a 30 mm CCA voice coil and has a fiber-reinforced, water-resistant paper cone. A resonance-optimized steel basket ensures optimal sound transmission. The speaker has a frequency response of 150 Hz to 11 kHz and a sensitivity of 95 dB. Thanks to the ferrite magnet, it offers impressive sound quality. With dimensions of 143 mm (cutout diameter) and a mounting depth of 74 mm, it is versatile. Its UV resistance and delivery in pairs are additional features.

    What impact does the UV resistance of the GZCM 6.5XSPL have on its longevity?

    The UV resistance of the GZCM 6.5XSPL significantly contributes to the longevity of the speaker. UV resistance means that the speaker is resistant to ultraviolet radiation, which could otherwise cause material damage and discoloration. This is an important factor, especially in vehicles that are exposed to the sun for extended periods. The water-resistant paper cone remains functional for a longer time and retains its structural integrity. This allows the speaker to operate reliably even under adverse conditions and ensures consistent sound quality over a long period.

    What does the impedance of 4 ohms mean for the GZCM 6.5XSPL?

    The impedance of 4 ohms for the GZCM 6.5XSPL refers to the electrical resistance of the speaker during operation. A low impedance, such as 4 ohms, allows for higher current flow, which can affect the power handling of the speakers but also increases their ability to deliver power. In practice, this means that the GZCM 6.5XSPL can operate more efficiently with a relatively high power of 320 watts. This impedance is typically compatible with most car and home amplifiers designed for 4 to 8 ohm speakers, making it versatile.

    How does the frequency response of 150 Hz to 11 kHz affect the listening experience?

    The frequency response of 150 Hz to 11 kHz of the GZCM 6.5XSPL means that the speaker is capable of covering deep midtones to upper midtones. Such a wide frequency range allows for the reproduction of a variety of sound details, from deep voices and instrumental passages to more complex musical pieces. This provides an immersive listening experience, especially for music listeners who appreciate a detailed sound image. While 150 Hz represents deep mids well, 11 kHz expands the ability to also transport higher midtones cleanly, contributing to a balanced representation.

    What advantages does the resonance-free steel basket of the GZCM 6.5XSPL offer?

    The resonance-free steel basket of the GZCM 6.5XSPL significantly contributes to the sound clarity and stability of the speaker. A resonance-free design minimizes vibrations and structural oscillations that could otherwise lead to sound distortions. This ensures that the sound is reproduced precisely and without distortion. The steel basket also serves as a robust structure for the diaphragm and the voice coil. These features ensure more stable performance even under high load and extend the lifespan of the speaker. Resonance-free operation is important to maintain the overall quality and consistency of sound output.

    What tips are there for installing the GZCM 6.5XSPL?

    For the installation of the GZCM 6.5XSPL, you should consider the installation diameter of 143 mm and the installation depth of 74 mm. Make sure that the installation location in the vehicle or enclosure supports these dimensions. The speaker is typically mounted in the door area or on the rear shelf, depending on the acoustics and spatial conditions. Note that proper wiring with an amplifier that delivers power at 4 ohms is crucial to ensure sound quality. It is advisable to use a damping pad to minimize resonances at the installation site.

    What does a sensitivity of 95 dB mean for audio performance?

    The sensitivity of 95 dB in the GZCM 6.5XSPL indicates how efficiently the speaker produces sound at a certain power level (1 watt in this case). A higher value means that the speaker plays louder without needing more power. With 95 dB, this speaker is classified as very efficient, which is particularly important when using an amplifier with moderate power. High sensitivity allows for fine acoustic details to be heard clearly without the amplifier reaching its power limit. This contributes to a dynamic and clear sound image, even at low volumes.

    What role does the voice coil play in the GZCM 6.5XSPL?

    The voice coil in the GZCM 6.5XSPL is a central component of the speaker that converts mechanical movement into sound. With a diameter of 30 mm made of CCA (Copper Clad Aluminum), it is designed to provide an optimal balance between weight and performance. This special design ensures high heat dissipation and reduces the risk of overheating at high sound pressure levels. A well-constructed voice coil ensures that the speaker operates reliably and efficiently even under maximum load by enabling precise movements of the diaphragm while maintaining the structural integrity of the speaker.

    Why is the GZCM 6.5XSPL water-resistant?

    The water resistance of the GZCM 6.5XSPL protects the speaker from moisture damage, which can occur particularly in vehicle environments. This feature is achieved through the special fiber-reinforced paper diaphragm, which is coated with a water-repellent layer. Moisture in vehicle interiors or during cleaning can otherwise lead to deformation or damage to the diaphragm in conventional speakers. When used outdoors or in an open environment, such as convertibles or boats, the water-repellent coating ensures that the sound quality and material properties of the speaker are maintained over a longer period, thus extending its lifespan.

    How does the ferrite magnet affect the sound quality of the GZCM 6.5XSPL?

    The ferrite magnet of the GZCM 6.5XSPL plays a crucial role in the sound quality of the speaker. Ferrite magnets are known for their stability and durability, which ensures a constant magnetic force necessary for the movement of the voice coil. This uniform magnetic force ensures that the diaphragm vibrates precisely, producing clear and uncolored tones. The use of ferrite also increases the efficiency of the speaker, leading to an overall better sound quality. By supporting the 30 mm voice coil, the magnet helps minimize distortion and maximize sound fidelity, providing a rich and authentic listening experience.

    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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