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.

Uranium Series

Amazing Sound Quality

Each 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!

GZUB 12BR

61223010: 30 cm / 12″ vented subwoofer loaded enclosure

GZUB 10BR

61323010: 25 cm / 10″ vented subwoofer loaded enclosure

GZUB 8BR

61423010: 20 cm / 8″ vented subwoofer loaded enclosure

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

GZRB 30SPL

61225030: 30 cm / 12″ vented SPL subwoofer loaded enclosure

GZRB 25SPL

61325025: 25 cm / 10″ 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 30BR

61227011: 30 cm / 12″ vented subwoofer loaded enclosure

GZIB 2.30BR

61227013: 2x 30 cm / 12″ vented subwoofer loaded enclosure

GZIB 12SPL

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

GZIB 2.12SPL

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

GZIB 25BR

61327011: 25 cm / 10″ vented subwoofer loaded enclosure

GZIB 20BR

61427011-1: 20 cm / 8″ vented subwoofer loaded enclosure

Car Specific Series

CAR SPECIFIC Upgrade for the OEM sound system

Most 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.

GZCS 10SUB

41930010: Car specific 250 mm / 10″ subwoofer loaded enclosure