Accessories

In this category there are crossovers for loudspeakers. These can be used to combine individual components into a passive system.
In this category there are crossovers for loudspeakers. These can be used to combine individual components into a passive system.

Competition Series

Realistic Stage Atmosphere

The 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.

GZCX 165-200.2SQL

2-way variable passive crossover

Plutonium Series

High-End Experience

The 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.

GZPX 165SQ

2-way high end passive crossover

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!

GZUX 165.2SQ

2-way variable passive crossover

GZUX 165.3SQ

3-way variable passive crossover

Ultra Series

REFERENCE ULTRA SERIES – Ultra-High-End

After collecting detailed experience in SQ performance and general in-car audio reproduction for more than 25 years during the development of loudspeakers, subwoofers and amplifiers for highly demanding customers and having launched a wide range of car audio products used for sound quality competitions all over the world, GROUND ZERO had started to take advantage of all these gathered skills devising a very new and super high-end product line. For the most sophisticated demands, GROUND ZERO introduces an extraordinary two-channel amplifier and matching loudspeakers now! REFERENCE ULTRA series products are developed by highly attentive engineers from England, Sweden and Germany creating products for the most demanding customers without accepting any compromise in overall quality and SQ performance.

GZ ULTRA 165-GRILL

Precisely machined massive aluminum mounting ring

GZ ULTRA 80-GRILL

Precisely machined massive aluminum mounting ring

Accessories Series

This category includes some optionally available products to be used additionally at the installation of loudspeakers.

GZCS Y-BOX

Amplifier specific wiring adapter

GZ GRILL 6.5

16,5 cm / 6.5" Protection grill

GZ GRILL 8.0

20 cm / 8" Protection grill

GZ GRILL 8U

20 cm / 8" Subwoofer protection grill

GZ GRILL 10U

25 cm / 10" Subwoofer protection grill

GZ GRILL 12U

30 cm / 12" Subwoofer protection grill

GZ ULTRA 165-GRILL

Precisely machined massive aluminum mounting ring

GZ ULTRA 80-GRILL

Precisely machined massive aluminum mounting ring

GZBR 200BMW

Car specific speaker mounting adapter

GZCS ISO QUADLOCK II

Car specific wiring harness

GZCS HLC-1.12

Amplifier specific wiring adapter

GZCS HLC-2.6

Amplifier specific wiring adapter

GZCS 4.0BMW-CONNECT

Car specific wiring harness

GZCS MB-CONNECT

Car specific wiring harness

GZUP 10

25 cm / 10 " passive radiator

GZUP 12

30 cm / 12 " passive radiator

GZ PROTECT

High power speaker protection

GZST 2S

2-pin loudspeaker terminal

GZST 2B

2-pin loudspeaker terminal

GZST 4S

4-pin loudspeaker terminal

GZTC 1.0FX

1.0F power cap

GZAP 70Y

High quality bass reflex ventilation tube with 71 mm / 2.80" inner diameter

GZ SUB-AMP 300

Compact amplifier module

GZSC 1.5X2 OFC

2x 1.50 mm² OFC speaker wire

GZSC 2.5X2 OFC

2x 2.50 mm² OFC speaker wire

GZSC 4.0X2 OFC

2x 4 mm² OFC speaker wire

GZSC 10X2 OFC

2x 10 mm² OFC speaker wire

GZSC 2-0.75X

2x 0.75 mm² speaker wire

GZSC 2-1.50X

2x 1.50 mm² speaker wire

GZSC 2-2.50X

2x 2.50 mm² speaker wire

GZSC 2-4.00X

2x 4 mm² speaker wire

GZCC 1.3X

1.0 m triple shielded RCA cable

GZCC 5.3X

5.0 m triple shielded RCA cable

GZCY 30X

Y splitter RCA cable

GZCC 5.1XLC

5.0 m RCA cable

GZCC 0.5X-TP

0.5 m high quality RCA cable with metal connectors

GZCC 1.0X-TP

1.0 m high quality RCA cable with metal connectors

GZCC 2.0X-TP

2.0 m high quality RCA cable with metal connectors

GZCC 3.0X-TP

3.0 m high quality RCA cable with metal connectors

GZCC 5.5X-TP

5.5 m high quality RCA cable with metal connectors

GZCS ISO-CONNECT

Car specific wiring harness

GZCS MINI FIVE-DSP CONNECT

GZCS MINI FIVE-DSP CONNECT

GZPK 10X-II

10 mm² high quality cable kit

GZPK 20XLC-II

20 mm² / 4 AWG CCA cable kit

GZPK 20X-II

20 mm² high quality cable kit

GZPK 35X-II

35 mm² high quality cable kit

GZPK 50X-II

High-quality 50 mm² / 0AWG CCA cable kit

GZFH 1.20/1.20 MANL

Mini-ANL fuseholder

GZFH 1.20 IL-MANL

Inline Mini-ANL fuseholder

GZFH 1.50/1.50 ANL/MANL

ANL / Mini-ANL fuseholder

GZFH 1.50/2.20 ANL/MANL

ANL / Mini-ANL fuseholder and distribution

GZFH 3.50/4.20 ANL/MANL

ANL / Mini-ANL fuseholder and distribution

GZBT 2.50 MANL-POS

Battery pole terminal with fuseholder / positive

GZBT 2.50 NEG

Battery pole terminal / negative

GZDB 3.50/4.20

Distribution block

GZDB 4.50/8.20 MANL

Distribution block

GZFU 100A ANL

ANL fuse

GZFU 150A ANL

ANL fuse

GZFU 200A ANL

ANL fuse

GZFU 300A ANL

ANL fuse

GZFU 400A ANL-SPL

ANL fuse

GZFU 40A MANL

Mini-ANL fuse

GZFU 60A MANL

Mini-ANL fuse

GZFU 80A MANL

Mini-ANL fuse

GZFU 100A MANL

Mini-ANL fuse

GZFU 150A MANL

Mini-ANL fuse

GZFU 200A MANL

Mini-ANL fuse

GZPG 250B

25 cm / 10" subwoofer grill

GZPC 10B

10 mm² high quality CCA power wire - black

GZPC 10Y

10 mm² high quality CCA power wire - yellow

GZPC 20B

20 mm² high quality CCA power wire - black

GZPC 20Y

20 mm² high quality CCA power wire - yellow

GZPC 35B

35 mm² high quality CCA power wire - black

GZPC 35Y

35 mm² high quality CCA power wire - yellow

GZPC 50B

50 mm² high quality CCA power wire - black

GZPC 50Y

50 mm² high quality CCA power wire - yellow

GZWR 50-20

Wire reducer

GZCV 2.0HL

High quality high level converter

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 Y-BOX

Amplifier specific wiring adapter

GZBR 200BMW

Car specific speaker mounting adapter

GZCS ISO QUADLOCK

Car specific wiring harness

GZCS ISO QUADLOCK II

Car specific wiring harness

GZCS HLC-1.12

Amplifier specific wiring adapter

GZCS HLC-2.6

Amplifier specific wiring adapter

GZCS 4.0BMW-CONNECT

Car specific wiring harness

GZCS MB-CONNECT

Car specific wiring harness

GZCS ISO-CONNECT

Car specific wiring harness

GZCS MINI FIVE-DSP CONNECT

GZCS MINI FIVE-DSP CONNECT