GZTA 1.800DX-II 24V

Owner’s Manual – EN Owner’s Manual – DE Owner’s Manual – FR Owner’s Manual – ES Owner’s Manual – NL Owner’s Manual – FI

1000 Watts

1-channel 24 Volt subwoofer amplifier with class D circuit, integrated active crossover and efficient, anodized heatsink

Mono high power amplifier
Class D technology
Variable active crossover and bass boost, phase shift
Link mode (for two amplifiers)
Stabilized 24-volt power supply
Covered terminals
Solid heatsink with Ground Zero lettering
Bass remote control included
Suitable for 24-volt vehicles

Output Power (@ 4Ω)	350 Watts RMS
Output Power (@ 2Ω)	550 Watts RMS
Output Power (@ 1Ω)	850 Watts RMS
Frequency Response	10 – 250 Hz
HPF / LPF / BPF	● / ● / ●
Bass Boost / Phase Shift	● / ●
Remote Control	●
Linkmode	●

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GZRA 1.1650DX

22. November 2022 / Ground Zero Audio

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GZRA 1.1650DX

1-channel high power class D amplifier

Owner’s Manual – EN Owner’s Manual – DE Owner’s Manual – FR Owner’s Manual – ES Owner’s Manual – FI

2300 Watts

1-channel subwoofer amplifier with class D circuit, integrated active crossover and efficient, anodized heatsink

Mono high power amplifier
Class D technology
Variable active crossover and bass boost, phase shift
Link mode (for two amplifiers)
Stabilized dual power supply
Covered terminals
Solid heatsink with Ground Zero lettering
Bass remote control included

Model	High-Power Class D amplifier
Channels	1
Output Power (@ 4Ω)	650 Watts RMS
Output Power (@ 2Ω)	1250 Watts RMS
Output Power (@ 1Ω)	1800 Watts RMS
max. Output Power (CEA-2006A / 10%THD+N)	2300 Watts
Frequency Response	10 – 250 Hz
HPF / LPF / BPF	● / ● / ●
Bass Boost / Phase switch	● / ●
High level input / Auto-on	○ / ○
Remote	●
BIAS Setting	○
Linkmode	●

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GZRA 1.2500DX

22. November 2022 / Ground Zero Audio

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GZRA 1.2500DX

1-channel high power class D amplifier

Owner’s Manual – EN Owner’s Manual – DE Owner’s Manual – FR Owner’s Manual – ES Owner’s Manual – FI

3000 Watts

1-channel subwoofer amplifier with class D circuit, integrated active crossover and efficient, anodized heatsink

Mono high power amplifier
Class D technology
Variable active crossover and bass boost, phase shift
Link mode (for two amplifiers)
Stabilized triple power supply
Covered terminals
Solid heatsink with Ground Zero lettering
Bass remote control included

Model	High-Power Class D amplifier
Channels	1
Output Power (@ 4Ω)	750 Watts RMS
Output Power (@ 2Ω)	1400 Watts RMS
Output Power (@ 1Ω)	2200 Watts RMS
max. Output Power (CEA-2006A / 10%THD+N)	3000 Watts
Frequency Response	10 – 250 Hz
HPF / LPF / BPF	● / ● / ●
Bass Boost / Phase switch	● / ●
High level input / Auto-on	○ / ○
Remote	●
BIAS Setting	○
Linkmode	●

GZRA 1.2500DX Read More »

GZRA MICRO ONE

22. November 2022 / Ground Zero Audio

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GZRA MICRO ONE

1-channel class D compact amplifier

Owner’s Manual – DE Owner’s Manual – EN

400 Watts

1-channel subwoofer amplifier with high efficient class D circuit, integrated active crossover and compact dimensions

Very compact mono amplifier
SMD components
Class D technology
Variable active crossover and bass boost
Link mode (for two amplifiers)
Efficient power supply
Plug-in connector
Space-saving heatsink with Ground Zero lettering
Bass remote control included
High-level input with auto-on function

Model	Class D compact amplifier
Channels	1
Output Power (@ 4Ω)	220 Watts RMS
Output Power (@ 2Ω)	350 Watts RMS
max. Output Power (CEA-2006A / 10%THD+N)	400 Watts
Frequency Response	15 – 400 Hz
HPF / LPF / BPF	● / ● / ●
Bass Boost / Phase Shift	● / ●
Remote Control	●
Linkmode	●
Dimensions (w x l x h)	75 x 190 x 44 mm

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GZTA 1.800DX-II

22. November 2022 / Ground Zero Audio

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GZTA 1.800DX-II

1-channel high quality class D amplifier

Owner’s Manual – EN Owner’s Manual – DE Owner’s Manual – ES Owner’s Manual – FR Owner’s Manual – FI Owner’s Manual – NL

1000 Watts

1-channel subwoofer amplifier with class D circuit, integrated activ ecrossover and efficient, anodized heatsink

Mono high power amplifier
Class D technology
Variable active crossover and bass boost, phase shift
Link mode (for two amplifiers)
Stabilized dual power supply
Covered terminals
Solid heatsink with Ground Zero lettering
Bass remote control included

Model	High-Quality Class D amplifier
Channels	1
Output Power (@ 4Ω)	350 Watts RMS
Output Power (@ 2Ω)	550 Watts RMS
Output Power (@ 1Ω)	850 Watts RMS
max. Output Power (CEA-2006A / 10%THD+N)	1000 Watts
Frequency Response	10 – 250 Hz
HPF / LPF / BPF	● / ● / ●
Bass Boost / Phase switch	● / ●
High level input / Auto-on	○ / ○
Remote	●
BIAS Setting	○
Linkmode	●
Dimensions (W x L x H)	230 x 366 x 53 mm / 9.06 x 14.41 x 2.09″

GZTA 1.800DX-II Read More »

GZHA 2400XII

22. November 2022 / Ground Zero Audio

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GZHA 2400XII

2-channel high power class A/B amplifier

Owner’s Manual – EN Owner’s Manual – DE Owner’s Manual – FR Owner’s Manual – SP Owner’s Manual – FIN

1800 Watts

2-channel high power amplifier with class A/B circuit, integrated active crossover and massive heatsink

2-channel high power amplifier
SMD components
Class AB technology
Variable active crossover and bass boost, phase shift
2 ohms stable in bridged mode
Stabilized dual power supply
Large terminals
Solid heatsink with engraved Ground Zero lettering
Bass remote control included

Model	High-Power Class A/B amplifier
Channels	2
Output Power (@ 4Ω)	2x 270 Watts RMS
Output Power (@ 2Ω)	2x 480 Watts RMS
Output Power (@ 1Ω)	2x 750 Watts RMS
max. Output Power (CEA-2006A / 10%THD+N)	1800 Watts
Frequency Response	5 Hz – 38 kHz
HPF / LPF / BPF	● / ● / ●
Bass Boost / Phase switch	● / ●
High level input / Auto-on	○ / ○
Remote	●
BIAS Setting	○
Linkmode	○
Dimensions (W x L x H)	293 x 400 x 67 mm / 11.54 x 15.75 x 2.64″

GZHA 2400XII Read More »

GZHA MINI ONE

22. November 2022 / Ground Zero Audio

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GZHA MINI ONE

1-channel class D compact amplifier

750 Watts

1-channel subwoofer amplifier with high efficient class D circuit, integrated activ crossover and compact dimensions

Compact sized mono amplifier
SMD components
Class D technology
Variable active crossover and bass boost, phase shift
Link mode (for two amplifiers)
Stabilized power supply
Large terminals
Solid heatsink with engraved Ground Zero lettering
Bass remote control included
High-level input with auto-on function

Model	Compact class D amplifier
Channels	1
Output Power (@ 4Ω)	220 Watts RMS
Output Power (@ 1Ω)	630 Watts RMS
max. Output Power (CEA-2006A / 10%THD+N)	750 Watts
Frequency Response	10 – 250 Hz
HPF / LPF / BPF	● / ● / ●
Bass Boost / Phase switch	● / ●
High level input / Auto-on	● / ●
Remote	●
BIAS Setting	○
Linkmode	●
Dimensions (W x L x H)	135 x 210 x 52 mm / 5.31 x 8.27 x 2.05″

GZHA MINI ONE Read More »

GZHA MINI ONE-K 24V

22. November 2022 / Ground Zero Audio

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GZHA MINI ONE-K 24V

1-channel class D compact amplifier for 24V use

1200 Watt max.

1-channel subwoofer amplifier with high efficient class D circuit, integrated activ crossover and compact dimensions

Compact sized mono amplifier
SMD components
Class D technology
Variable active crossover and bass boost, phase shift
Link mode (for two amplifiers)
Stabilized power supply
Large terminals
Solid heatsink with engraved Ground Zero lettering
Bass remote control included
High-level input with auto-on function

Model	Compact class D amplifier
Channels	1
Output Power (@ 4Ω)	340 Watts RMS
Output Power (@ 2Ω)	600 Watts RMS
Output Power (@ 1Ω)	1000 Watts RMS
max. Output Power (CEA-2006A / 10%THD+N)	1200 Watts
Frequency Response	10 – 200 Hz
HPF / LPF / BPF	● / ● / ●
Bass Boost / Phase switch	● / ●
High level input / Auto-on	● / ●
Remote	●
BIAS Setting	○
Linkmode	●
Dimensions (W x L x H)	135 x 322 x 52 mm

GZHA MINI ONE-K 24V Read More »

GZHA MINI ONE-K

22. November 2022 / Ground Zero Audio

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GZHA MINI ONE-K

1-channel class D compact amplifier

1200 Watts

1-channel subwoofer amplifier with high efficient class D circuit, integrated activ crossover and compact dimensions

Compact sized mono amplifier
SMD components
Class D technology
Variable active crossover and bass boost, phase shift
Link mode (for two amplifiers)
Stabilized power supply
Large terminals
Solid heatsink with engraved Ground Zero lettering
Bass remote control included
High-level input with auto-on function

Model	Class D compact amplifier
Channels	1
Output Power (@ 4Ω)	340 Watts RMS
Output Power (@ 2Ω)	600 Watts RMS
Output Power (@ 1Ω)	1000 Watts RMS
max. Output Power (CEA-2006A / 10%THD+N)	1200 Watts
Frequency Response	10 – 200 Hz
HPF / LPF / BPF	● / ● / ●
Bass Boost / Phase Shift	● / ●
High-Level Input / Auto-on	● / ●
Remote Control	●
Linkmode	●
Dimensions (w x l x h)	135 x 322 x 52 mm

GZHA MINI ONE-K Read More »

GZHA 1.1850DXII

22. November 2022 / Ground Zero Audio

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GZHA 1.1850DXII

1-channel high power class D amplifier

Owner’s Manual – EN
Owner’s Manual – DE
Owner’s Manual – SP
Owner’s Manual – FR
Owner’s Manual – FIN

2400 Watts

1-channel high power amplifier with class D circuit, integrated active crossover and massive heatsink

Mono high power amplifier
SMD components
Class D technology
Variable active crossover and bass boost, phase shift
Link mode (for two amplifiers)
Stabilized power supply
Large terminals
Solid heatsink with engraved Ground Zero lettering
Bass remote control included

Model	High power class D amplifier
Channels	1
Output Power (@ 4Ω)	700 Watts RMS
Output Power (@ 2Ω)	1200 Watts RMS
Output Power (@ 1Ω)	1850 Watts RMS
max. Output Power (CEA-2006A / 10%THD+N)	2400 Watts
Frequency Response	5 – 250 Hz
HPF / LPF / BPF	● / ● / ●
Bass Boost / Phase Shift	● / ●
Remote Control	●
Linkmode	●
Dimensions (w x l x h)	293 x 400 x 67 mm

GZHA 1.1850DXII Read More »

GZNC 1650SQ

22. November 2022 / Ground Zero Audio

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GZNC 1650SQ

165 mm / 6.5″ 2-way component speaker system

250 Watts max

6.5″ high performance 2-way component speaker system with aluminum cast basket including 1″ silk dome tweeters

2-way component speaker system
Made in Germany
Coated paper cone
Conex spider
Solid aluminum cast basket
Universal 4 ohms version
GZNT 25SQ
High end 12 dB/oct crossover
1 kit / package

Model	2-way component speakers
Diameter	165 mm / 6.5″
Power handling (RMS/max.)	150 / 250 Watts
Impedance	4 Ohms
Efficiency	91 dB
Frequency Response	40 Hz – 28 kHz
Tweeter	GZNT 25SQ
Midwoofer	GZPK 16SQ
Mounting depth	68 mm
Crossover	High-end 2-way
Crossover frequency	2800 Hz

GZNC 1650SQ Read More »

GZTA BASSREMOTE

22. November 2022 / Ground Zero Audio

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GZTA BASSREMOTE

Optional bass remote control

GZTA BASSREMOTE Read More »

Remote control

Optional bass remote control or compatible GZIA / GZTA / GZRA / GZHA / GZNA amplifiers

Wired remote control
Subwoofer level control
Rotating knob
Incl. connection cable

Type	Suitable for GZIA, GZTA, GZRA, GZHA & GZNA amplifiers

GZPA 1.4K-HCX

22. November 2022 / Ground Zero Audio

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GZPA 1.4K-HCX

1-channel high performance SPL amplifier

Owner’s Manual – EN
Owner’s Manual – DE
Owner’s Manual – FR
Owner’s Manual – FI

5000 Watts

1-channel high power subwoofer amplifier with class D circuit, integrated active crossover and massive heatsink

Mono SPL high power amplifier
Class D technology
Variable active crossover and bass boost, phase shift
Link mode (for two amplifiers)
Stabilized high current power supply
Large terminals
Solid heatsink with engraved Ground Zero lettering
Bass remote control included
Qualified for SPL and SQL applications

Model	High performance SPL amplifier
Channels	1
Output Power (@ 4Ω)	1200 Watts RMS
Output Power (@ 2Ω)	2400 Watts RMS
Output Power (@ 1Ω)	4000 Watts RMS
max. Output Power (CEA-2006A / 10%THD+N)	5000 Watts
Frequency Response	10 – 250 Hz, 10 – 250 Hz
HPF / LPF / BPF	● / ● / ●
Bass Boost / Phase Shift	● / ●
Remote Control	●
BIAS Setting	○
Linkmode	●
Dimensions (w x l x h)	230 x 550 x 63 mm

GZPA 1.4K-HCX Read More »

GZ THE REFERENCE

22. November 2022 / Ground Zero Audio

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GZ THE REFERENCE

High end home audio floor standing speaker

GZ THE REFERENCE Read More »

2-way D´Appolito design

2-way D´Appolito speaker system in glossy black floor standing enclosure including downfire low frequency extension

High end home audio floor standing speakers
High-end drivers – Made in Germany
Klippel® optimized midwoofers
Double hand-coated silk dome tweeter
High quality crossover with Mundorf® parts
Solid vented enclosure with piano finfish
Efficient downfire technology
Deep and dynamic bass reproduction
Bi-wiring terminal

Type	2-Way D´Appolito Loudspeakers
System	Downfiring Ventilation
Power handling	150 – 300 Watts
Impedance	3 – 6 ohms
Min. impedance	2.8 Ohm
Frequency response	30 Hz – 25 kHz
Crossover frequency	1950 Hz (18 dB/oct.)
Operation temperature	10 – 40°C
Dimensions (w/o spikes)	1130 x 650 x 290 mm

GZNA 2850XII

22. November 2022 / Ground Zero Audio

Magnifier

GZNA 2850XII

2-channel high power class A/B amplifier

Owner’s Manual – EN Owner’s Manual – DE Owner’s Manual – FR Owner’s Manual – FIN Owner’s Manual – NL

3000 Watts

2-channel high power amplifier with class A/B circuit, integrated active crossover and massive heatsink

2-channel high power amplifier
SMD components
Class AB technology
Variable active crossover and bass boost, phase shift
2 ohms stable in bridged mode
Stabilized dual power supply
Large terminals
Solid heatsink with engraved Ground Zero lettering
Bass remote control included
Qualified for power demanding speakers

Model	High-Power Class A/B amplifier
Channels	2
Output Power (@ 4Ω)	2x 450 Watts RMS
Output Power (@ 2Ω)	2x 850 Watts RMS
Output Power (@ 1Ω)	2x 1300 Watts RMS
max. Output Power (CEA-2006A / 10%THD+N)	3000 Watts
Frequency Response	5 Hz – 38 kHz
HPF / LPF / BPF	● / ● / ●
Bass Boost / Phase switch	● / ●
High level input / Auto-on	○ / ○
Remote	●
BIAS Setting	○
Linkmode	○
Dimensions (W x L x H)	293 x 600 x 67 mm / 11.54 x 23.62 x 2.64″

GZNA 2850XII Read More »

GZNA 4330XII

22. November 2022 / Ground Zero Audio

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GZNA 4330XII

4-channel high power class A/B amplifier

Owner’s Manual – EN Owner’s Manual – DE Owner’s Manual – FR Owner’s Manual – FIN

2600 Watts

4-channel high power amplifier with class A/B circuit, integrated active crossover and massive heatsink

4-channel high power amplifier
SMD components
Class AB technology
Variable active crossover and bass boost, phase shift
2 ohms stable in bridged mode
Stabilized dual power supply
Large terminals
Solid heatsink with engraved Ground Zero lettering
Bass remote control included
Qualified for power demanding speakers

Model	High-Power Class A/B amplifier
Channels	4
Output Power (@ 4Ω)	4x 200 Watts RMS
Output Power (@ 2Ω)	4x 350 Watts RMS
Output Power (@ 1Ω)	4x 550 Watts RMS
max. Output Power (CEA-2006A / 10%THD+N)	2x 1300 Watts
Frequency Response	5 Hz – 38 kHz
HPF / LPF / BPF	● / ● / ●
Bass Boost / Phase switch	● / ●
High level input / Auto-on	○ / ○
Remote	●
BIAS Setting	○
Linkmode	○
Dimensions (W x L x H)	293 x 560 x 67 mm / 11.54 x 22.05 x 2.64″

GZNA 4330XII Read More »

GZNA 1.2550DXII

22. November 2022 / Ground Zero Audio

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GZNA 1.2550DXII

1-channel high power class D amplifier

GZNA 1.2550DXII Read More »

3100 Watts

1-channel high power amplifier with class D circuit, integrated active crossover and massive heatsink

Mono high power amplifier
SMD components
Class D technology
Variable active crossover and bass boost, phase shift
Link mode (for two amplifiers)
Stabilized dual power supply
Large terminals
Solid heatsink with engraved Ground Zero lettering
Bass remote control included
Qualified for power demanding speakers

Model	High power class D amplifier
Channels	1
Output Power (@ 4Ω)	850 Watts RMS
Output Power (@ 2Ω)	1500 Watts RMS
Output Power (@ 1Ω)	2400 Watts RMS
max. Output Power (CEA-2006A / 10%THD+N)	3100 Watts
Frequency Response	5 – 250 Hz
HPF / LPF / BPF	● / ● / ●
High-Level Input / Auto-on	○ / ○
Remote Control	●
Linkmode	●
Dimensions (w x l x h)	293 x 560 x 67 mm

GZDSP 4-8XII

22. November 2022 / Ground Zero Audio

Magnifier

GZDSP 4-8XII

8-channel digital signal processor

Owner’s Manual
Manual & Software
APP Manual
GUI Software Manual / Firmware Update Info
MCU Update V1.08

8-channel DSP

Digital signal processor with four channel high-level or RCA input, USB connection, optional remote control and auto-on function

8-channel digital signal processor
High-level and line input
Realtime setting
2x 28 bit Analog Devices Prozessor
Windows GUI software
Separate 10 band equalizer for each channel
Time delay
Variable crossover
Phase correction
Automatic turn-on function

Model	8-channel digital signal processor
High Resolution Compatible	no
TOSLINK Input	no
AUX Connector	no
High-Level Audio Mix	up to 4 channels
Frequency Response	10 Hz – 22 kHz (-3dB)
Signal-to-Noise	> 105 dB
Input Sensitivity	0.5 – 1 V (RCA), 2 – 8 V (high-level)
Max. Output	2.5 V RMS
Adapter for Apple® devices	no
Remote	optional
Preset Memory	6
Dimensions (W x L x H)	168 x 114 x 27 mm / 6.61 x 4.49 x 1.06″

GZDSP 4-8XII Read More »

GZDSP 4.80A-PRO

22. November 2022 / Ground Zero Audio

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GZDSP 4.80A-PRO

4-channel amplifier with 8-channel DSP

Owner’s Manual
Manual & Software

8-channel DSP

4-channel amplifier with integrated 8-channel DSP, 6-channel high-level/5-channel RCA input, USB connection, digital and AUX input as well as auto-on function

8-channel digital signal processor
High-level and line input
Realtime setting
32 bit Cirrus Logic Prozessor
Windows GUI software
Separate 31 band equalizer for each channel
Time delay
Variable crossover
Phase correction
Automatic turn-on function for the high level input
Adapter for wireless music streaming available separately (GZDSP BTB-APP)
Wired remote control available separately (GZDSP REMOTE PRO-X)

Model	4-channel amplifier with digital signal processor
High Resolution Compatible	yes
TOSLINK & Coax Input	24-bit / 12 -192 kHz
AUX Connector	3.5 mm socket
High-Level Audio Mix	up to 6 channels
Frequency Response	20 Hz – 20 kHz (-3 dB)
Signal-to-Noise	> 100 dB
Input Sensitivity	0.6 – 5 V (AUX) / 2 – 15 V (high-level)
max. Output Power (CEA-2006A / 10%THD+N)	4x 130 Watts max @ 2 Ohms
Output Power	4x 80 Watts RMS @ 4 ohm
Remote	optional
Preset Memory	10
Dimensions (W x L x H)	185 x 237 x 42 mm / 7.28″ x 9.33″ x 1.65″

GZDSP 4.80A-PRO Read More »

GZDSP 4-8X

22. November 2022 / Ground Zero Audio

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GZDSP 4-8X

8-channel digital signal processor