For the reproduction of particularly low frequencies a special loudspeaker is required developed especially for this purpose.
Subwoofers can cover all demands on bass reproduction when fitted into a suitable enclosure.
GROUND ZERO offers different models for each application. Passive subwoofers can be powered with an additional amplifier, individually.
Recommended amplifier data can be found in the manual, which is available for download.





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.
GZIB 200XBR
20 cm / 8″ vented subwoofer loaded enclosure
GZIB 250XBR
25 cm / 10″ vented subwoofer loaded enclosure
GZIB 300XBR
30 cm / 12″ vented subwoofer loaded enclosure
GZIB 2.300XBR
2x 30 cm / 12″ vented subwoofer loaded enclosure
GZIB 3000XSPL
30 cm / 12″ vented SPL subwoofer loaded enclosure
GZIB 2.3000XSPL
2x 30 cm / 12″ vented SPL subwoofer loaded enclosure

Car Specific Products
CAR SPECIFIC Upgrade for the OEM sound systemMost OEM speaker systems cannot completely satisfy the expectations of sophisticated customers.
Especially the basic equipment leaves a lot of space for improvements of dynamics and sound quality.
Installing car specific aftermarket speakers is a simple way to enhance the audio system.
GROUND ZERO´s line of CAR SPECIFIC solutions consists of various components designed for upgrading the OEM audio systems of modern cars easily.