The experience of a real concert atmosphere or club feeling needs professional high SPL levels to be achieved. This however, requires very special and powerful speakers as well as amplifiers. GROUND ZERO´s development department doesn´t make any compromise, whenever the purpose of the product is that clear. Because of this, a COMPETITION product is the right choice for demanding customers with high SPL level expectations.
Home Audio
COMPETITION Amplifier
Each of the new full-range class D amplifiers offers a huge amount of output power for any kind of open show or SPL application. At the top end, the COMPETITION line includes one of the most powerful amplifiers in the world – delivering the unbelievable power of 35.000 Watts RMS!
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GZCA 1.5SPL-M1
Read more1-channel competition SPL amplifier
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GZCA 4.200-4
Read more4-channel Mini amplifier
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GZCA 1.5SPL-M2
Read more1-channel competition SPL amplifier
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GZCA 3.0SPL-M1
Read more1-channel competition SPL amplifier
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GZCA 3.0SPL-M2
Read more1-channel competition SPL amplifier
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GZCA 5.0SPL-M1
Read more1-channel competition SPL amplifier
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GZCA 5.0SPL-M2
Read more1-channel competition SPL amplifier
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GZCA 8.0SPL- M1
Read more1-channel competition SPL amplifier
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GZCA 8.0SPL-M2
Read more1-channel competition SPL amplifier
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GZCA 12.0SPL-M1
Read more1-channel competition SPL amplifier
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GZCA 20.0SPL-M1
Read more1-channel competition SPL amplifier
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GZCA 35.0SPL-M1
Read more1-channel competition SPL amplifier
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GZCA 750.2-D1
Read more2-channel competition SPL amplifier
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GZCA 750.2-D2
Read more2-channel competition SPL amplifier
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GZCA 1500.2-D1
Read more2-channel competition SPL amplifier
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GZCA 1500.2-D2
Read more2-channel competition SPL amplifier
COMPETITION DSP Products
Amplifiers with an ISO harness are easy to integrate into an existing audio system. There is no additional wiring needed. In case the car has a brand-specific connector, the car audio market offers a wide range of adapters to convert OEM head units to the ISO standard.
COMPETITION Speaker Systems
In addition to separately available tweeters and midrange speakers as well as subwoofers, the COMPETITION series also includes some high-tech loudspeaker systems for special applications at the highest sound and performance level.
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GZCF 6.5SPL
Read more165 mm / 6.5″ 2-way coaxial speaker system
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GZCF 7104XSPL
Read more7×10″ 4-way coaxial speaker system
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GZCF 8.0SPL
Read more200 mm / 8″ 2-way coaxial speaker system
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GZCF 200COAX
Read more200 mm / 8″ 2-way coaxial speaker system
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GZCC 165.2SQL
Read more165 mm / 6.5″ 2-way component speaker system
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GZCC 200.2SQL
Read more200 mm / 8″ 2-way component speaker system
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GZCF 165COAX
Read more165 mm / 6.5″ 2-way coaxial speaker system
COMPETITION Speaker Components
For high-frequency and mid-range reproduction, the COMPETITION series offers a variety of high-efficient far-field compression tweeters and various midrange speakers. The latter can be used in free-air applications as well as in horn or bass reflex systems.
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GZCT 25SQL
Read more25 mm / 1″ high power silk dome tweeter
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GZCT 0500X
Read more25 mm / 1″ aluminum dome compression tweeter
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GZCT 500IV-B
Read more25 mm / 1″ aluminum dome compression tweeter
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GZCT 1000X
Read more25 mm / 1″ aluminum dome compression tweeter
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GZCT 2100X-B
Read more25 mm / 1″ aluminum dome compression tweeter
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GZCT 3000X
Read more38 mm / 1.5″ aluminum dome compression tweeter
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GZCT 3500X-S
Read more25 mm / 1″ aluminum dome compression tweeter
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GZCT 3500X-B
Read more25 mm / 1″ aluminum dome compression tweeter
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GZCT 4000X
Read more44.5 mm / 1.75″ aluminum dome compression tweeter
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GZCT 5000SPL
Read more44.5 mm / 1.75″ titanium dome compression tweeter
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GZCT 5000SPL-B
Read more44.5 mm / 1.75″ titanium dome compression tweeter
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GZCM 6.5NEO
Read more165 mm / 6.5″ high power midrange speaker
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GZCM 6.5NEO-DC
Read more165 mm / 6.5″ high power midrange speaker
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GZCM 6.5SPL
Read more165 mm / 6.5″ high power midrange speaker
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GZCM 8.0NEO
Read more200 mm / 8″ high power midrange speaker
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GZCM 8.0SPL
Read more200 mm / 8″ high power midrange speaker
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GZCM 10.0SPL
Read more250 mm / 10″ high power midrange speaker
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GZCM 6-4FX
Read more165 mm / 6.5″ high power midrange speaker
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GZCM 8-4FX
Read more200 mm / 8″ high power midrange speaker
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GZCK 165XSPL
Read more165 mm / 6.5″ SPL midwoofer
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GZCK 200XSPL
Read more200 mm / 8″ SPL midwoofer
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GZCK 250XSPL
Read more250 mm / 10″ SPL midwoofer
Car Specific Products
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COMPETITION Subwoofer
To extend the bass range, GROUND ZERO offers some particularly efficient woofers in the COMPETITION series.
COMPETITION Subwoofer Boxes
Similar to the line of SPL models RADIOACTIVE subwoofers offer a number of special components. However, instead of highest SPL, the main focus is set on excellent low bass performance for everyday use.
Marine/ATV
Since listening to favorite music isn´t limited to cars, GROUND ZERO offers a particular speaker for environments with special requirements to the construction and water resistance.A sophisticated RADIOACTIVE MARINE coaxial speaker is available in white finish, suitable for places with high humidity such as bathrooms and pool areas or even for off-shore applications with occasionally appearing direct splashing water such as on outer decks or on leisure boats.
COMPETITION Accessories
In this category there are crossovers for loudspeakers. These can be used to combine individual components into a passive system.
COMPETITION Damping
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COMPETITION Headphones
If you would like to enjoy the typical GROUND ZERO sound not only in your vehicle, you may choose one of the two headphones.
Both of them delivering a distinctive bass response and the dynamic sound character.