GZIA 2130HPX-II

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GZIA 2130HPX-II

2-channel high quality class A/B amplifier

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320 Watts

2-channel amplifier with class A/B circuit, integrated active crossover and black anodized heatsink

  • 2-channel amplifier
  • Class AB technology
  • Variable active crossover and bass boost
  • Stable power supply
  • Large terminals
  • anodized heatsink with Ground Zero lettering
  • High-level input with auto-on function
ModelHigh power class A/B amplifier
Channels2
Output Power (@ 4Ω)2x 85 Watts RMS
Output Power (@ 2Ω)2x 130 Watts RMS
max. Output Power320 Watts
Frequency Response10 Hz – 30 kHz
HPF / LPF / BPF● / ● / ○
Bass Boost / Phase Shift○ / ○
Remote Controloptional
Linkmode○
Dimensions (w x l x h)192 x 214 x 49 mm

Owner’s Manual

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GZIA 2235HPX-II

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GZIA 2235HPX-II

2-channel high quality class A/B amplifier

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540 Watts

2-channel amplifier with class A/B circuit, integrated active crossover and black anodized heatsink

  • 2-channel amplifier
  • Class AB technology
  • Variable active crossover and bass boost
  • Stable power supply
  • Large terminals
  • anodized heatsink with Ground Zero lettering
  • High-level input with auto-on function
ModelHigh power class A/B amplifier
Channels2
Output Power (@ 4Ω)2x 150 Watts RMS
Output Power (@ 2Ω)2x 235 Watts RMS
max. Output Power540 Watts
Frequency Response10 Hz – 30 kHz
HPF / LPF / BPF● / ● / ○
Bass Boost / Phase Shift○ / ○
Remote Controloptional
Linkmode○
Dimensions (w x l x h)192 x 284 x 49 mm

Owner’s Manual

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GZRA 4HD

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GZRA 4HD

4-channel high-performance class D amplifier

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Powerful 4-channel amplifier

4-channel amplifier with class D circuit with integrated wideband active crossover

  • 4-channel high-power amplifier
  • SMD components
  • Class D technology
  • Variable wideband active crossover
  • Stabilized power supply
  • Large terminals
  • High-efficient heatsink
  • High-level input with auto-on function
  • Incl. high-level input harness
ModelPowerful class D amplifier
Channels4
Output Power (@ 4Ω)4x 175 Watts RMS
Output Power (@ 2Ω)4x 275 Watts RMS
Output Power (@ 4Ω) bridged2x 550 Watts RMS
max. Output Power (CEA-2006A / 10%THD+N)2x 700 Watts
Frequency Response10 Hz – 25 kHz
HPF / LPF / BPF● / ● / ●
Bass Boost / Phase switch○ / ○
High level input / Auto-on● / ●
Remote○
BIAS Setting○
Linkmode○
Dimensions (W x L x H)186 x 268 x 52 mm / 7.32 x 10.55 x 2.05″

Owner’s Manual

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GZRA 2HD

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GZRA 2HD

2-channel high-performance class D amplifier

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Powerful 2-channel amplifier

2-channel amplifier with class D circuit with integrated wideband active crossover and bass boost control

  • 2-channel high-power amplifier
  • SMD components
  • Class D technology
  • Variable active crossover and bass boost control
  • Stabilized power supply
  • Large terminals
  • High-efficient heatsink
  • Bass remote control available separately
  • High-level input with auto-on function
  • Incl. high-level input harness
ModelPowerful class D amplifier
Channels2
max. Output Power (CEA-2006A / 10%THD+N)1150 Watts
Frequency Response10 Hz – 25 kHz
HPF / LPF / BPF● / ● / ●
Bass Boost / Phase switch● / ○
High level input / Auto-on● / ●
Remote●, optional
BIAS Setting○
Linkmode○
Dimensions (W x L x H)186 x 268 x 52 mm / 7.32 x 10.55 x 2.05″

Owner’s Manual

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GZRA 2255X

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GZRA 2255X

2-channel high power class A/B amplifier

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600 Watts

2-channel amplifier with class A/B circuit, integrated activ crossover and efficient, anodized heatsink
  • 2-channel high power amplifier
  • Class AB technology
  • Variable active crossover and bass boost, phase shift
  • Stabilized power supply
  • Covered terminals
  • Solid heatsink with Ground Zero lettering
  • Bass remote control included
ModelHigh-Power Class A/B amplifier
Channels2
Output Power (@ 4Ω)2x 150 Watts RMS
Output Power (@ 2Ω)2x 250 Watts RMS
max. Output Power (CEA-2006A / 10%THD+N)600 Watts
Frequency Response5 Hz – 38 kHz
HPF / LPF / BPF● / ● / ●
Bass Boost / Phase switch● / ○
High level input / Auto-on○ / ○
Remote●
BIAS Setting○
Linkmode○

Owner’s Manual – DEOwner’s Manual – EN

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GZTA 2155X-II

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GZTA 2155X-II

2-channel high quality class A/B amplifier

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400 Watts

2-channel amplifier with class A/B circuit, integrated active crossover and efficient, anodized heatsink

  • 2-channel amplifier
  • Class AB technology
  • Variable active crossover and bass boost, phase shift
  • Stabilized power supply
  • Covered terminals
  • Solid heatsink with Ground Zero lettering
  • Bass remote control optionally
ModelHigh power class A/B amplifier
Channels2
Output Power (@ 4Ω)2x 100 Watts RMS
Output Power (@ 2Ω)2x 150 Watts RMS
max. Output Power400 Watts
Frequency Response5 Hz – 38 kHz
HPF / LPF / BPF● / ● / ●
Bass Boost / Phase Shift● / ○
Remote Controloptional
BIAS Setting○
Linkmode○
Dimensions (w x l x h)230 x 296 x 53 mm

Owner’s Manual – DEOwner’s Manual – ENOwner’s Manual – FROwner’s Manual – ESOwner’s Manual – FIOwner’s Manual – NL

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GZHA MINI TWO

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GZHA MINI TWO

2-channel class D compact amplifier

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550 Watts

2-channel amplifier with high efficient class D circuit, integrated activ crossover and compact dimensions
  • Compact sized 2-channel amplifier
  • SMD components
  • Class D technology
  • Variable active crossover and bass boost, phase shift
  • Stabilized power supply
  • Large terminals
  • Solid heatsink with engraved Ground Zero lettering
  • Bass remote control included
  • High-level input with auto-on function
ModelClass D compact amplifier
Channels2
Output Power (@ 4Ω)2x 130 Watts RMS
Output Power (@ 2Ω)2x 230 Watts RMS
max. Output Power (CEA-2006A / 10%THD+N)550 Watt
Frequency Response5 Hz – 38 kHz
HPF / LPF / BPF● / ● / ●
Bass Boost / Phase Shift● / ○
High-Level Input / Auto-on● / ●
Remote Control●
Linkmode○
Dimensions (w x l x h)135 x 210 x 52 mm

Owner’s Manual

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GZPA Reference 2PURE

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GZPA Reference 2PURE

2-channel high end SQ amplifier

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2700 Watts

2-channel ultimate high end amplifier with pure direct signal layout, BIAS adjustment and best quality selected parts for the most sophisticated listener´s demands

  • High-End 2-channel SQ amplifier
  • Symmetrical layout
  • Class AB technology
  • Pure direct signal path
  • Variable BIAS setting
  • Exclusive high quality components
  • Rhodium coated RCA sockets
  • Exclusive heatsink with engraved Ground Zero lettering
  • Acrylic bottom plate with LED illumination
  • Highest Sound Quality – without compromises!
ModelHigh-End SQ amplifier
Channels2
Output Power (@ 4Ω)2x 420 Watts RMS
Output Power (@ 2Ω)2x 750 Watts RMS
Output Power (@ 1Ω)2x 1150 Watts RMS
max. Output Power (CEA-2006A / 10%THD+N)2700 Watt
Frequency Response5 Hz – 38 kHz
HPF / LPF / BPF○ / ○ / ○
Bass Boost / Phase Shift○ / ○
High-Level Input / Auto-on○ / ○
Remote Control○
BIAS Setting●
Linkmode○
Dimensions (w x l x h)236 x 590 x 67.5 mm

Owner’s Manual

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GZPA 2SQ

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GZPA 2SQ

2-channel high performance SQ amplifier

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1000 Watts

2-channel high end amplifier with integrated activ crossover, BIAS adjustment and high quality parts for dedicated music lovers
  • High-End 2-channel SQ amplifier
  • MOSFET technology
  • Variable active crossover and bass boost, phase shift
  • Variable BIAS setting
  • High quality components
  • Solid terminals
  • Efficient heatsink with illuminated Ground Zero lettering
  • Fulfilling High Resolution audio demands
ModelHigh-Performance SQ amplifier
Channels2
Output Power (@ 4Ω)2x 175 Watts RMS
Output Power (@ 2Ω)2x 315 Watts RMS
Output Power (@ 1Ω)2x 500 Watts RMS
max. Output Power (CEA-2006A / 10%THD+N)1200 Watts
Frequency Response10 Hz – 50 kHz
HPF / LPF / BPF● / ● / ●
Bass Boost / Phase switch● / ●
High level input / Auto-on○ / ○
Remote○
BIAS Setting●
Linkmode○
Dimensions (W x L x H)222 x 420 x 60.5 mm / 8.74 x 16.54 x 2.38″

Owner’s Manual

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GZUA 2.250SQ-Plus

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GZUA 2.250SQ-Plus

2-channel Sound Quality amplifier

Description
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1200 Watts

2-channel sound quality amplifier with class A/B circuit, integrated active ecrossover and BIAS adjustment

  • 2-channel SQ amplifier
  • Variable BIAS setting
  • Class AB technology
  • Variable active crossover with bypass function
  • 2 ohms stable in bridged mode
  • Stable power supply
  • Gold-plated connectors
  • Flat heatsink with engraved Ground Zero lettering
  • Bass remote control included
  • Suitable for high quality SQ setups
ModelSound quality amplifier
Channels2
Output Power (@ 4Ω)2x 180 Watts RMS
Output Power (@ 2Ω)2x 320 Watts RMS
Output Power (@ 1Ω)2x 500 Watts RMS
max. Output Power (CEA-2006A / 10%THD+N)1200 Watts
Frequency Response10 Hz – 30 kHz
HPF / LPF / BPF● / ● / ●
Bass Boost / Phase Shift● / ●
Remote Control●
BIAS Setting●
Linkmode○
Dimensions (w x l x h)209 x 360 x 46 mm

Owner’s Manual – ENOwner’s Manual – DE

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GZPA Reference 2SYM

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GZPA Reference 2SYM

2-channel high end SQ amplifier

Description
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2700 Watts

2-channel ultimate high end amplifier with integrated activ crossover, BIAS adjustment and best quality selected parts for sophisticated listener´s demands
  • High-End 2-channel SQ amplifier
  • Symmetrical layout
  • Class AB technology
  • Variable active crossover and bass boost, phase shift
  • Variable BIAS setting
  • Exclusive high quality components
  • Gold-plated connectors
  • Exclusive heatsink with engraved Ground Zero lettering
  • Acrylic bottom plate with LED illumination
  • Highest Sound Quality – without compromises!
ModelHigh-End SQ amplifier
Channels2
Output Power (@ 4Ω)2x 420 Watts RMS
Output Power (@ 2Ω)2x 750 Watts RMS
Output Power (@ 1Ω)2x 1150 Watts RMS
max. Output Power (CEA-2006A / 10%THD+N)2700 Watts
Frequency Response5 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)236 x 590 x 67.5 mm / 9.29 x 23.23 x 2.66″

Owner’s Manual

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GZCA 20.0SPL-M1

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GZCA 20.0SPL-M1

1-channel competition SPL amplifier

Description
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20000 Watts

1-channel 1-Ohm stabiler SPL-Hochleistungsamplifier with class D circuit, integrated active crossover and bass boost
  • SPL high power amplifier
  • Made in Brazil
  • Class D technology
  • Variable active crossover and bass boost
  • Stabilized high voltage power supply
  • Large terminals
  • Solid heatsink with Ground Zero lettering
  • Particularly qualified for SPL and SQL applications
ModelCompetition SPL amplifier
Channels1
Output Power (@ 4Ω)12000 Watts RMS
Output Power (@ 1Ω)20000 Watts RMS
Frequency Response10 – 500 Hz
HPF / LPF / BPF● / ● / ●
Bass Boost / Phase Shift● / ○
High-Level Input / Auto-on○ / ○
Remote Control○
Linkmode○
Dimensions (w x l x h)227.5 x 861 x 70 mm

Owner’s Manual

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GZCA 35.0SPL-M1

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GZCA 35.0SPL-M1

1-channel competition SPL amplifier

Description
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35000 Watts

1-channel 1-Ohm stabiler extreme SPL high power amplifier with class D circuit for pure competition purpose

  • SPL high power amplifier
  • Made in Brazil
  • Class D technology
  • Variable active crossover and bass boost
  • Stabilized high voltage power supply
  • Large terminals
  • Solid heatsink with Ground Zero lettering
  • Particularly qualified for SPL and SQL applications
Output Power (@ 1Ω/12.6 V)35000 Watts RMS
HPF / LPF / BPF● / ● / ●
Bass Boost / Phase Shift● / ○
High-Level Input / Auto-on○ / ○
Remote Control○
Linkmode○

Owner’s Manual

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GZPA Reference 2XS

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GZPA Reference 2XS

2-channel high end SQ amplifier

Description
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900 Watts

2-channel high end amplifier with integrated activ crossover, BIAS adjustment and best quality selected parts for sophisticated listener´s demands
  • High-End 2-channel SQ amplifier
  • Class AB technology
  • Variable active crossover and bass boost, phase shift
  • Variable BIAS setting
  • Selected high quality components
  • Gold-plated connectors
  • Exclusive heatsink with engraved Ground Zero lettering
  • Acrylic bottom plate with LED illumination
  • Suitable for high quality SQ setups
ModelHigh-End SQ amplifier
Channels2
Output Power (@ 4Ω)2x 200 Watts RMS
Output Power (@ 2Ω)2x 380 Watts RMS
Frequency Response10 Hz – 30 kHz
HPF / LPF / BPF● / ● / ●
Bass Boost / Phase switch● / ●
High level input / Auto-on○ / ○
Remote●
BIAS Setting●
Linkmode○
Dimensions (W x L x H)236 x 420 x 67.5 mm / 9.29 x 16.54 x 2.66″

Owner’s Manual

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GZCA 8.0SPL-M2

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GZCA 8.0SPL-M2

1-channel competition SPL amplifier

Description
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8960 Watts

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
  • Made in Brazil
  • 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
ModelCompetition SPL amplifier
Channels1
Output Power (@ 4Ω)4480 Watts RMS
Output Power (@ 2Ω)8960 Watts RMS
Output Power (@ 2Ω/12.6 V)8000 Watts RMS
Frequency Response10 Hz – 15 kHz
HPF / LPF / BPF● / ● / ●
Bass Boost / Phase Shift● / ○
High-Level Input / Auto-on○ / ○
Remote Control○
Linkmode○
Dimensions (w x l x h)227.5 x 401 x 70 mm

Owner’s Manual

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GZCA 12.0SPL-M1

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GZCA 12.0SPL-M1

1-channel competition SPL amplifier

Description
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13700 Watts

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
  • Made in Brazil
  • 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
ModelCompetition SPL amplifier
Channels1
Output Power (@ 2Ω)9000 Watts RMS
Output Power (@ 1Ω)13700 Watts RMS
Output Power (@ 1Ω/12.6 V)12000 Watts RMS
Frequency Response10 Hz – 15 kHz
HPF / LPF / BPF● / ● / ●
Bass Boost / Phase Shift● / ○
High-Level Input / Auto-on○ / ○
Remote Control○
Linkmode○
Dimensions (w x l x h)227.5 x 523 x 70 mm

Owner’s Manual

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GZCA 5.0SPL-M2

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GZCA 5.0SPL-M2

1-channel competition SPL amplifier

Description
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5600 Watts

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
  • Made in Brazil
  • 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
Output Power (@ 4Ω)2800 Watts RMS
Output Power (@ 2Ω)5600 Watts RMS
Output Power (@ 2Ω/12.6 V)5000 Watts RMS
HPF / LPF / BPF● / ● / ●
Bass Boost / Phase Shift● / ○
High-Level Input / Auto-on○ / ○
Remote Control○
Linkmode○

Owner’s Manual

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GZCA 8.0SPL- M1

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GZCA 8.0SPL- M1

1-channel competition SPL amplifier

Description
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8960 Watts

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
  • Made in Brazil
  • 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
ModelCompetition SPL amplifier
Channels1
Output Power (@ 2Ω)4480 Watts RMS
Output Power (@ 1Ω)8960 Watts RMS
Output Power (@ 1Ω/12.6 V)8000 Watts RMS
Frequency Response10 Hz – 15 kHz
HPF / LPF / BPF● / ● / ●
Bass Boost / Phase Shift● / ○
High-Level Input / Auto-on○ / ○
Remote Control○
Linkmode○
Dimensions (w x l x h)227.5 x 401 x 70 mm

Owner’s Manual

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GZCA 3.0SPL-M1

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GZCA 3.0SPL-M1

1-channel competition SPL amplifier

Description
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3400 Watts

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
  • Made in Brazil
  • 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
Output Power (@ 2Ω)1800 Watts RMS
Output Power (@ 1Ω)3400 Watts RMS
Output Power (@ 1Ω/12.6 V)3000 Watts RMS
HPF / LPF / BPF● / ● / ●
Bass Boost / Phase Shift● / ○
High-Level Input / Auto-on○ / ○
Remote Control○
Linkmode○

Owner’s Manual

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GZCA 3.0SPL-M2

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GZCA 3.0SPL-M2

1-channel competition SPL amplifier

Description
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360° View

3400 Watts

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
  • Made in Brazil
  • 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
ModelCompetition SPL amplifier
Channels1
Output Power (@ 4Ω)1800 Watts RMS
Output Power (@ 2Ω)3400 Watts RMS
Output Power (@ 2Ω/12.6 V)3000 Watts RMS
Frequency Response10 Hz – 20 kHz
HPF / LPF / BPF● / ● / ●
Bass Boost / Phase Shift● / ○
High-Level Input / Auto-on○ / ○
Remote Control○
Linkmode○
Dimensions (w x l x h)227.5 x 236 x 70 mm

Owner’s Manual

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