Tweters, interior y exterior
Tweeter
The tweeters of some component systems are available separately in pairs.
In addition, GROUND ZERO offers a wide range of high-quality models, which can be used in a customized sound quality setup.
The models of the COMPETITION line are particularly suitable for installations whose purpose is to achieve very high levels.










REFERENCE Series
Pure High-End Sound QualityThe EISA awarded REFERENCE components obtain the highest attention and care during a long lasting development.
Without any compromise, each component is selected from the best ones available on the market.
Highest production quality and the most accurate supervision of every single part ensure not less than perfect performance, ultimate sound quality and workmanship for the highest demanding customer.
Emphasizing the high-end status of the REFERENCE products, each amplifier, speaker and subwoofer is finally certified by GROUND ZERO´s in-house quality department and delivered in a classy, logo-branded wooden box handmade in Germany.

PLUTONIUM Series
High-End ExperienceThe products of the PLUTONIUM line are suitable for either ultimate SPL level or high-end sound quality.
To achieve one of these targets, exceptional materials and technologies are applied during the development.
The technical, electrical and mechanical skills of the resulting products convince not only during worldwide SPL competitions but also High End enthusiasts with outstanding audio reproduction ability.
Starting from the market release, the subwoofers have set benchmarks in all SPL competitions around the world and have been awarded for best performance by numerous test magazines.

NUCLEAR Series
Ultimate PerformanceWith several particular features of the High End PLUTONIUM line, GROUND ZERO managed to position the NUCLEAR line products at a lower price level.
Nevertheless, the amazingly sounding speakers are partly “Made in Germany”.
The subwoofers are predestined for high level audio setups as well as for SPL competition while massive multi-channel and impressively powerful mono amplifiers deliver excellent performance.

URANIUM Series
Amazing Sound QualityEach product of the URANIUM line-up has been developed carefully to fulfill the demands of music enthusiasts with high audiophile expectations at a reasonable price level.
Applying all of Ground Zero´s sound quality competition experience while tuning the product details carefully, results in emotional and amazing audio reproduction.
The distinguished amplifiers point out the main purpose by their designation: SQ beyond the average!

RADIOACTIVE Series
Advanced DynamicsThe RADIOACTIVE line offers a wide range of exceptional high efficient speakers and subwoofers for daily and SPL use.
During the development GROUND ZERO focused especially on natural and dynamical audio reproduction of digitally compressed music.
Apart from some powerful amplifiers, the line contains extremely small amplifiers for limited space environments.

TITANIUM Series
Premium QualityThe products of the TITANIUM line combine premium quality and high efficiency.
A wide range of dedicated speakers meet most of the customer´s need.
The amplifiers are equipped with sophisticated technology and encased by a posh heatsink with brushed titanium color surface.
Especially for trucks, GROUND ZERO offers two models of the TITANIUM amplifier line-up as a 24-Volt version.

IRIDIUM Series
Top Performance @ Entry LevelRepresenting the entry level of GROUND ZERO, the IRIDIUM line offers a lot of useful features and an amazing performance.
The range contains a variety of affordable amplifiers, speakers and subwoofers for the daily use and for SPL purpose.
These are available as single drivers for custom-built applications as well as in loaded passive and active enclosures.

COMPETITION Series
Realistic Stage AtmosphereThe 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.
GZCT 25SQL
25 mm / 1″ high power silk dome tweeter
GZCT 0500X
25 mm / 1″ aluminum dome compression tweeter
GZCT 500IV-B
25 mm / 1″ aluminum dome compression tweeter
GZCT 1000X
25 mm / 1″ aluminum dome compression tweeter
GZCT 2100X-B
25 mm / 1″ aluminum dome compression tweeter
GZCT 3000X
38 mm / 1.5″ aluminum dome compression tweeter
GZCT 3500X-S
25 mm / 1″ aluminum dome compression tweeter
GZCT 3500X-B
25 mm / 1″ aluminum dome compression tweeter
GZCT 4000X
44.5 mm / 1.75″ aluminum dome compression tweeter
GZCT 5000SPL
44.5 mm / 1.75″ titanium dome compression tweeter
GZCT 5000SPL-B
44.5 mm / 1.75″ titanium dome compression tweeter

COMPETITION Pro Series
The PRO SeriesThe COMPETITION PRO series marks the very top level of electrically and mechanically possible power handling, nowadays.
These drivers have been designed especially for long distance open show and demonstration performances at very high SPL level as well as
for the more and more popular “Pancadão” open-air stages featuring a wall of speakers, a competition trend coming from Brazil.