4“ Speakers

GROUND ZERO offers a number of coaxial speakers and component systems with a diameter of 10 cm / 4”.
These models are intended primarily as a replacement of the original vehicle speakers.

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.

GZRF 4.0SQ

31525031: 100 mm / 4″ 2-way coaxial speaker system

GZRF 4.0SQX

31525032: 100 mm / 4″ 2-way coaxial speaker system

Titanium Series

Premium Quality

The 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.

GZTF 4.0X

31526021: 100 mm / 4″ 2-way coaxial speaker system

GZTM 100NEO

32226010: 100 mm / 4″ midrange speaker with neodymium motor

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.

GZIC 400FX

31527020: 100 mm / 4″ 2-way component speaker system

GZIF 4.0

31527051: 100 mm / 4″ 2-way coaxial speaker system

GZIF 4001FX

31527060: 100 mm / 4″ 2-way coaxial speaker system

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 100.2BMW

41130012: Car specific 100 mm / 4″ 2-way speaker system

GZCS 100BMW-D

41130013: Car specific 100 mm / 4″ 2-way speaker system

GZCS BMW-CENTER

41130013: Car specific 100 mm / 4″ 2-way coaxial speaker system

GZCS 100BMW-SQ+B

41130021: Car specific 100 mm / 4″ 2-way speaker system

GZCS 100BMW-SQ+D

41130023: Car specific 100 mm / 4″ 2-way speaker system

GZCS 100BMW-SQB

41130026: Car specific 100 mm / 4″ 2-way speaker system

GZCS 100BMW-SQD

41130028: Car specific 100 mm / 4″ 2-way speaker system

GZCS F-4.0BMW

41130032: Car specific 100 mm / 4″ 2-way coaxial speaker system

GZCS 12CX

41330011: Car specific 120 mm / 4.7″ 2-way speaker system

GZCS 100.2MB

41330012: Car specific 100 mm / 4″ 2-way speaker system

GZCS F-4.0MB

41330032: Car specific 100 mm / 4″ 2-way coaxial speaker system

GZCS 46CX

41830010: Car specific 4×6″ 2-way speaker system

GZCS 8.7CX

41830020: Car specific 87 mm / 3.4″ 2-way speaker system