Passive Subwoofer Box

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 Dynamics

The 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.

GZRB 16SPL

61225016: 16.5 cm / 6.5″ vented SPL subwoofer loaded enclosure

GZRB 20SPL

61225020: 20 cm / 8″ vented SPL subwoofer loaded enclosure

Iridium Series

Top Performance @ Entry Level

Representing 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 12SPL

61227022: 30 cm / 12″ vented SPL subwoofer loaded enclosure

GZIB 2.12SPL

61227023: 2x 30 cm / 12″ vented SPL subwoofer loaded enclosure