GZCS T-25VW

Plug´n´play installation

Car specific 25 mm / 1″ tweeter for VW and identical brands

Coated soft dome
12 dB/oct in-line high pass filter
Adapter frame for two different mounting positions
Neodymium motor
25 mm / 1″ silk dome tweeter
Car specific connection
1 pair / package

Model	Car specific tweeter for VW and identical brands
Diameter	25 mm / 1″
Power handling (RMS/max.)	50 / 80 Watts
Impedance	4 Ohms
Efficiency	87 dB
Frequency Response	4 Hz – 20 kHz
Voice coil	25 mm / 1″ copper
Tweeter	Coated soft dome

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GZCS K-200VW

3. March 2023 / groundzero

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GZCS K-200VW

Car specific 200 mm / 8″ midrange speaker

Plug´n´play installation

Car specific 200 mm / 8″ midrange speaker for VW and identical brands

compatible with VW and identical brands
Retrofit or replacement for factory loudspeakers
Coated paper cone
Powerful ferrite motor
Resonance free steel basket
6 dB/oct in-line low pass filter
Car specific connection
1 pair / package

Model	Car specific midrange speaker
Diameter	200 mm / 8″
Power handling (RMS/max.)	80 / 120 Watts
Impedance	3 Ohms
Efficiency	89 dB
Frequency Response	40 Hz – 4.5 kHz
Voice coil	38 mm / 1.5″ copper
Cone	Reinforced paper
Mounting Ø	180 mm / 7.10″
Mounting depth	70 mm / 2.76″
Resonance frequency (Fs)	48 Hz
Damping ratio (Qts)	0.61
Equiv. air volume (Vas)	30.3 L / 1.01 ft³

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GZCS K-165VW

3. March 2023 / groundzero

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GZCS K-165VW

Car specific 165 mm / 6.5″ midrange speaker

Plug´n´play installation

Car specific 165 mm / 6.5″ midrange speaker for VW and identical brands

compatible with VW and identical brands
Retrofit or replacement for factory loudspeakers
Coated paper cone
Powerful ferrite motor
Resonance free steel basket
6 dB/oct in-line low pass filter
VW-specific (and identical) mounting rim
Car specific connection
1 pair / package

Model	Car specific midrange speaker
Diameter	165 mm / 6.5″
Power handling (RMS/max.)	70 / 100 Watts
Impedance	3 Ohms
Efficiency	87 dB
Frequency Response	50 Hz – 5 kHz
Voice coil	38 mm / 1.5″ copper
Cone	Reinforced paper
Mounting Ø	142 mm / 5.59″
Mounting depth	62 mm / 2.44″
Resonance frequency (Fs)	60 Hz
Damping ratio (Qts)	0.61
Equiv. air volume (Vas)	11.4 L / 0.40 ft³

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GZCS 100.2BMW

3. March 2023 / groundzero

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GZCS 100.2BMW

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

Plug´n´play installation

Car specific 100 mm / 4″ 2-way speaker system for BMW

2-way speaker
Suitable for various vehicles
Glas fiber cone
neodymium motor
GZ design aluminum cast basket
GZ design aluminum mounting frame for BMW
25 mm / 1″ silk dome tweeter
Car specific connection
1 pair / package

Model	Car specific 2-way speakers
Diameter	100 mm / 4″
Power handling (RMS/max.)	70 / 110 Watts
Impedance	4 Ohms
Efficiency	87 dB
Frequency Response	70 Hz – 24 kHz
Voice coil	25 mm / 1″ copper
Midwoofer	Glass fiber cone

Crossover install information

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GZCS 100MB-C

3. March 2023 / groundzero

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GZCS 100MB-C

Car specific 100 mm / 4″ center speaker

Plug´n´play installation

Car specific 100 mm / 4″ center speaker for Mercedes

Center speaker for MERCEDES
Suitable for various vehicles
Glas fiber cone
neodymium motor
Car specific compound basket
Neodymium motor
Car specific connection
1 piece / package

Model	Car specific center speaker
Diameter	100 mm / 4″
Power handling (RMS/max.)	40 / 60 Watts
Impedance	4+4 ohms
Efficiency	82 dB
Frequency Response	100 Hz – 17 kHz

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GZCS 100MB-S

3. March 2023 / groundzero

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GZCS 100MB-S

Car specific 100 mm / 4″ surround speaker

Plug´n´play installation

Car specific 100 mm / 4″ surround speaker for Mercedes

Surround speaker for MERCEDES
Suitable for various vehicles
Glas fiber cone
neodymium motor
Car specific compound basket
Neodymium motor
Car specific connection
1 pair / package

Model	Car specific surround speaker
Diameter	100 mm / 4″
Power handling (RMS/max.)	40 / 60 Watts
Impedance	4 Ohms
Efficiency	82 dB
Frequency Response	100 Hz – 17 kHz

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GZCS BMW-CENTER

3. March 2023 / groundzero

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GZCS BMW-CENTER

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

Plug´n´play installation

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

2-way center coax-speaker for BMW
Suitable for various vehicles
Glas fiber cone
neodymium motor
GZ design aluminum cast basket
GZ design aluminum mounting frame for BMW
20 mm / 0.79″ silk dome tweeter
Car specific connection
1 piece / package

Model	Car specific 2-way coax-speaker
Diameter	100 mm / 4″
Power handling (RMS/max.)	60 / 90 Watts
Impedance	4 Ohms
Efficiency	87 dB
Frequency Response	70 Hz – 22 kHz
Tweeter	25 mm / 1″ copper
Coax-Speaker	Glass fiber cone

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GZHA MINI FIVE-DSP

3. March 2023 / groundzero

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GZHA MINI FIVE-DSP

5-channel class D compact amplifier with DSP

5-channel class D compact amplifier with DSP

High efficient 5-channel class D amplifier with built-in 7-channel DSP

5-channel amplifier with high efficient class D circuit, integrated DSP and compact dimensions

Compact sized 5-channel amplifier with DSP
7-channel DSP
Class D technology
1 ohm stable (subwoofer channel)
Parametric equalizer for each channel (10 bands/channel)
Time alignment (0-8 ms / 0-272 cm / 0-107”) for each channel
Adjustable crossover (HPF / LPF / BPF from 20 Hz to 20 kHz)
Solid heatsink with engraved Ground Zero lettering
High-level input with auto-on function

Model	Compact class D amplifier with DSP
Channels	5+7 DSP
Output Power (@ 4Ω)	4x 75 + 190 Watts RMS
Output Power (@ 2Ω)	4x 125 + 320 Watts RMS
Output Power (@ 1Ω) (subwoofer channel)	500 Watts RMS
max. Output Power (CEA-2006A / 10%THD+N)	1200 Watts
Frequency Response	20 Hz – 20 kHz
HPF / LPF / BPF	DSP
Bass Boost / Phase switch	DSP
High level input / Auto-on	● / ●
Remote	●
BIAS Setting	○
Linkmode	○
Dimensions (W x L x H)	135 x 322 x 52 mm / 5.31″ x 12.68″ x 2.05″

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Software

GZHW 12SPL-D2 FLAT

3. March 2023 / groundzero

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GZHW 12SPL-D2 FLAT

30 cm / 12″ high quality flat SPL subwoofer

1200 Watts SPL

12″ high quality flat SPL subwoofer with alumiunum cast basket

12″ high quality flat SPL subwoofer
Klippel® optimized
Sandwich paper cone
Durable U-shape rubber surround
Solid aluminum cast basket
63 mm / 2.5″ copper voice coil
4-layer copper voice coil
Push terminal

Model	High-Quality Flat SPL Subwoofer
Diameter	30 cm / 12″
Power handling (RMS/SPL)	700 / 1200 Watts
Impedance	2x 2 Ohms
Efficiency	88 dB
Power recommendation	500 – 1200 Watts
Voice coil	63 mm / 2.5″ Copper
Cone	Sandwich paper
Max. Excursion (Xmax)	32 mm / 1.26″
Mounting Ø	284 mm / 11.18″
Mounting depth	118 mm / 4.65″
Resonance frequency (Fs)	21 Hz
Overall quality (Qts)	0.30
Equiv. air volume (Vas)	19.7 L / 4.15 ft³

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GZHW 8SPL-D2 FLAT

3. March 2023 / groundzero

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GZHW 8SPL-D2 FLAT

20 cm / 8″ high quality flat SPL subwoofer

800 Watts SPL

8″ high quality flat SPL subwoofer with alumiunum cast basket

8″ high quality flat SPL subwoofer
Klippel® optimized
Sandwich paper cone
Durable U-shape rubber surround
Solid aluminum cast basket
50 mm / 2″ copper voice coil
4-layer copper voice coil
Push terminal

Model	High-Quality Flat SPL Subwoofer
Diameter	20 cm / 8″
Power handling (RMS/SPL)	500 / 800 Watts
Impedance	2x 2 Ohms
Efficiency	83 dB
Power recommendation	350 – 800 Watts
Voice coil	63 mm / 2.5″ Copper
Cone	Sandwich paper
Max. Excursion (Xmax)	24 mm / 0.94″
Mounting Ø	187 mm / 7.36″
Mounting depth	80 mm / 3.15″
Resonance frequency (Fs)	31.5 Hz
Overall quality (Qts)	0.41
Equiv. air volume (Vas)	14.2 L / 0.50 ft³

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GZCM 6.5N-PROX

2. March 2023 / groundzero

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GZCM 6.5N-PROX

165 mm / 6.5″ high power midrange speaker with neodymium motor

400 Watts max

165 mm / 6.5″ high end SPL midrange speaker with neodymium motor and aluminum cast basket

6.5″ high power midrange speaker with neodymium motor
38 mm / 1.5″ CCA voice coil
Fiber reinforced paper cone
Neodymium motor
Aluminum cast housing
Aluminum phase plug
water repellend cone
Incl. protection grill
Push terminal
1 piece / package

Type	High end midrange speaker with neodymium magnet
Diameter	165 mm / 6.5″
Power handling (RMS/max.)	200 / 400 Watts
Impedance	4 ohms
Efficiency	96 dB
Frequency response	180 Hz – 12 kHz
Voice coil	38 mm / 1.5″ CCA
Mounting Ø	147 mm / 5.79″
Mounting depth	63 mm / 2.48″

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GZCF 6.5SPL-NEO

2. March 2023 / groundzero

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GZCF 6.5SPL-NEO

165 mm / 6.5″ 2-way coaxial speaker system with neodymium motor

250 Watts max

165 mm / 6.5″ 2-way coaxial speaker system with paper cone and 28 mm / 1.1″ Mylar tweeter

2-way coaxial speaker system
Pressed paper cone
High-excursion foamed W-surround
Neodymium motor
Resonance free steel basket
compact motor construction
28 mm / 1.1″ Mylar tweeter
6 dB/oct high pass filter
Incl. Hexagon style protection grill

Type	2-way coaxial speakers
Diameter	165 mm / 6.5″
Power handling (RMS/max.)	100 / 250 Watts
Impedance	4 ohms
Efficiency	93 dB
Frequency response	70 Hz – 20 kHz
Mounting Ø	145 mm / 5.71″
Mounting depth	68 mm / 2.68″

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GZCC 5.5X-TP

2. March 2023 / groundzero

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GZCC 5.5X-TP

5.5 m high quality RCA cable with metal connectors

Beschreibung

Zusätzliche Informationen

18.04 ft length

5.5 m high quailty RCA cable with gold plated metal connectors, triple shielded and twisted wires, snake skin protection

High quailty RCA cable
Triple shielded
Gold plated slotted metal connectors
Snakeskin jacket
5.5 m / 18.04 ft length

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GZCC 3.0X-TP

2. March 2023 / groundzero

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GZCC 3.0X-TP

3.0 m high quality RCA cable with metal connectors

9.84 ft length

3.0 m high quailty RCA cable with gold plated metal connectors, triple shielded and twisted wires, snake skin protection

High quailty RCA cable
Triple shielded
Gold plated slotted metal connectors
Snakeskin jacket
3.0 m / 9.84 ft length

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GZCC 1.0X-TP

2. March 2023 / groundzero

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GZCC 1.0X-TP

1.0 m high quality RCA cable with metal connectors

3.28 ft length

1.0 m high quailty RCA cable with gold plated metal connectors, triple shielded and twisted wires, snake skin protection

High quailty RCA cable
Triple shielded
Gold plated slotted metal connectors
Snakeskin jacket
1.0 m / 3.28 ft length

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GZCC 0.5X-TP

2. March 2023 / groundzero

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GZCC 0.5X-TP

0.5 m high quality RCA cable with metal connectors

1.64 ft length

0.5 m high quailty RCA cable with gold plated metal connectors, triple shielded and twisted wires, snake skin protection

High quailty RCA cable
Triple shielded
Gold plated slotted metal connectors
Snakeskin jacket
0.5 m / 1.64 ft length

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GZCA 6000.M1

2. March 2023 / groundzero

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GZCA 6000.M1

1-channel competition SPL amplifier

High-power class D amplifier

1-channel 1-ohm stable full range SPL high power amplifier with class D circuit, integrated active crossover and bass boost

SPL high power amplifier
Class D technology
Variable active crossover and bass boost
full range frequency responde
Stabilized high voltage power supply
Large terminals
Solid heatsink with Ground Zero lettering
Particularly qualified for SPL and SQL applications

Model	Competition SPL amplifier
Channels	1
Output Power (@ 4Ω)	1850 Watts RMS
Output Power (@ 2Ω)	3250 Watts RMS
Output Power (@ 1Ω)	5000 Watts RMS
Output Power (@ 1Ω)	6000 Watts max
Frequency Response	10 Hz – 20 kHz
HPF / LPF / BPF	● / ● / ●
Bass Boost / Phase switch	● / ○
High level input / Auto-on	○ / ○
Remote	●
BIAS Setting	○
Linkmode	○
Dimensions (W x L x H)	230 x 302 x 67 mm / 9.06″ x 11.89″ x 2.64″

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GZCA 500.Q1

2. March 2023 / groundzero

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GZCA 500.Q1

4-channel competition SPL amplifier

High-power class D amplifier

4-channel 1-ohm stable full range SPL high power amplifier with class D circuit, integrated active crossover and bass boost

SPL high power amplifier
Class D technology
Variable active crossover and bass boost
full range frequency responde
Stabilized high voltage power supply
Large terminals
Solid heatsink with Ground Zero lettering
Particularly qualified for SPL and SQL applications

Model	Competition SPL amplifier
Channels	4
Output Power (@ 4Ω)	185 Watts RMS
Output Power (@ 2Ω)	315 Watts RMS
Output Power (@ 1Ω)	450 Watts RMS
Output Power (@ 1Ω)	575 Watts max
Frequency Response	10 Hz – 22 kHz
HPF / LPF / BPF	● / ● / ●
Bass Boost / Phase switch	● / ○
High level input / Auto-on	○ / ○
Remote	○
BIAS Setting	○
Linkmode	○
Dimensions (W x L x H)	230 x 270 x 67 mm / 9.06″ x 10.63″ x 2.64″

GZCA 500.Q1 Read More »

GZCA 3000.M2

2. March 2023 / groundzero

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GZCA 3000.M2

1-channel competition SPL amplifier

High-power class D amplifier

1-channel 2-ohm stable full range SPL high power amplifier with class D circuit, integrated active crossover and bass boost

SPL high power amplifier
Class D technology
Variable active crossover and bass boost
full range frequency responde
Stabilized high voltage power supply
Large terminals
Solid heatsink with Ground Zero lettering
Particularly qualified for SPL and SQL applications

Model	Competition SPL amplifier
Channels	1
Output Power (@ 4Ω)	1600 Watts RMS
Output Power (@ 2Ω)	2600 Watts RMS / 3000 Watts max
Frequency Response	10 Hz – 22 kHz
HPF / LPF / BPF	● / ● / ●
Bass Boost / Phase switch	● / ○
High level input / Auto-on	○ / ○
Remote	●
BIAS Setting	○
Linkmode	○
Dimensions (W x L x H)	230 x 220 x 67 mm / 9.06″ x 8.66″ x 2.64″

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GZCA 1500.M2

2. March 2023 / groundzero

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GZCA 1500.M2

1-channel competition SPL amplifier

High-power class D amplifier

1-channel 2-ohm stable full range SPL high power amplifier with class D circuit, integrated active crossover and bass boost

SPL high power amplifier
Class D technology
Variable active crossover and bass boost
full range frequency responde
Stabilized high voltage power supply
Large terminals
Solid heatsink with Ground Zero lettering
Particularly qualified for SPL and SQL applications

Model	Competition SPL amplifier
Channels	1
Output Power (@ 4Ω)	900 Watts RMS
Output Power (@ 2Ω)	1350 Watts RMS / 1500 Watts max
Frequency Response	10 Hz – 22 kHz
HPF / LPF / BPF	● / ● / ●
Bass Boost / Phase switch	● / ○
High level input / Auto-on	○ / ○
Remote	●
BIAS Setting	○
Linkmode	○
Dimensions (W x L x H)	230 x 145 x 67 mm / 9.06″ x 5.71″ x 2.64″