GZNM 80SQ-K

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GZNM 80SQ-K

80 mm / 3.15″ SQ midrange speaker with supreme sound quality

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110 Watts max

3.15″ high performance midrange speaker with Kevlar® cone

  • 80 mm / 3.15″ midrange SQ loudspeaker
  • 20 mm / 0.79″ voice coil
  • High-tech Kevlar® cone
  • High-efficient, linearized neodymium motor
  • GZ-design aluminum cast basket
  • GZ-design hexagon style NRG protection grill
  • Goldplated soldering terminal
  • 1 pair / package
ModelHigh performance midrange speaker
Diameter80 mm / 3.15″
Power handling (RMS/max.)70 / 110 Watts
Impedance4 Ohms
Efficiency88 dB
Frequency Response150 Hz – 5000 Hz
Voice coil20 mm / 0.79″
ConeKevlar® 
Magnet materialNeodymium
Mounting diameter77 mm / 3.03″
Mounting depth39 mm / 1.54″
Resonance frequency (Fs)97 Hz

Owner’s Manual

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GZCT 20N-PRO

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GZCT 20N-PRO

25 mm / 1″ high end compression tweeter with neodymium motor

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100 Watts max

1″ high end compression tweeter with neodymium magnet

  • 25 mm / 1″ high end compression tweeter
  • 25 mm / 1″ CCA voice coil
  • Polyester dome
  • Neodymium motor
  • Aluminum cast horn
  • Circular wave guide
  • Soldering terminal
  • 1 piece / package
ModelHigh end compression tweeter with neodymium magnet
Diameter25 mm / 1″
Power handling (RMS/max.)30 / 100 Watts
Impedance4 Ohms
Efficiency109 dB
Frequency Response3000 Hz – 22 kHz
Voice coil25 mm / 1″ CCA
DomePolyester
Mounting Ø44 mm / 1.73″
Mounting depth29 – 48 mm / 1.14 – 1.89″

Owner’s Manual

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GZCF 200NEO-PRO

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GZCF 200NEO-PRO

200 mm / 6.5″ High-power full range loudspeaker for active use

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400 + 100 Watts max

200 mm / 8″ 2-way coaxial speaker system with coated paper cone and 25 mm / 1″ compression tweeter

  • 2-way high-power coaxial loudspeaker system
  • Coated paper cone
  • Wave shaped textile surround
  • High-efficient neodymium motor
  • Aluminum cast basket
  • High efficiency (SPL)
  • 25 mm / 1″ compression tweeter
  • High-efficient neodymium motor
  • For active use
  • Incl. Hexagon style protection grill
Model2-way coaxial speakers for active use
Diameter200 mm / 8″ 
Power handling (RMS/max.)250+50 / 400+100 Watts
Impedance4 + 4 ohms
Efficiency99 dB
Frequency Response120 Hz – 20 kHz
Tweeter25 mm / 1″ PEI
Mounting Ø181 mm / 7.13″
Mounting depth104 mm / 4.09″
Xmax (p2p)12 mm / 0.47″

Owner’s Manual

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GZCT 28M-SPL

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GZCT 28M-SPL

High-performance 28 mm / 1.1″  dome tweeter

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110 Watts max

28 mm, 1.1″ dome tweeter with surface housing and in-line high pass filter

  • High-performance Mylar dome tweeter
  • 28 mm / 1.1″ voice coil
  • Mylar dome
  • Neodymium motor
  • Incl. 12 dB/oct high pass filter
  • Ferrofluid cooled
  • 1 pair / package
ModelHigh-performance tweeter with Mylar dome
Diameter28 mm / 1.1″
Power handling (RMS/max.)80 / 110 Watts
Impedance4 Ohms
Efficiency86 dB
Frequency Response2500 Hz – 20 kHz
Crossover frequency5500 Hz
Voice coil28 mm / 1.1″
DomeMylar
Mounting Ø48 mm / 1.89″
Mounting depth16 mm / 0.63″

Owner’s Manual

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GZDB 4.50/8.20 MANL

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GZDB 4.50/8.20 MANL

Distribution block

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4x 50 mm² / 0 AWG input / 8x 20 mm² / 4 AWG output

Solid distribution block with screw terminals

  • Power or ground distribution block
  • 4x 50 mm² / 0 AWG input / 8x 20 mm² / 4 AWG output
  • Solid, nickel plated brass
  • Including protection cover
  • Screw terminals with reducing sleeves
  • Indication LEDs for defective or not connected fuses

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GZPK 165SQ-C

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GZPK 165SQ-C

165 mm / 6.5″ high end midwoofer

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200 Watts max

6.5″ high end midwoofer with GZ-design aluminum cast basket offering unique ventilation

  • 6.5″ high end midwoofer
  • 38 mm / 1.5″ voice coil
  • Aluminum-ceramics cone
  • High-efficient hybrid motor with neodymium and ferrite magnets
  • Lightweight, 2-layer copper clad aluminum voice coil
  • GZ-design hexagon style NRG* protection grill with logo option
  • Gold-plated GZ-design screw terminal
  • Chrome plated magnet cover
  • Optimized using the renowned Klippel® measurement system
  • 1 pair / package
ModelHigh-quality SQ midwoofer
Diameter165 mm / 6.5″
Power handling (RMS/max.)140 / 200 Watts
Impedance4 Ohms
Efficiency89 dB
Frequency Response40 Hz – 5000 Hz
Voice coil38 mm / 1.5″
ConeAluminum-ceramics
Mounting Ø144 mm / 5.67″
Mounting depth70 mm / 2.76″
Resonance frequency (Fs)38 Hz

Owner’s Manual

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GZNK 165SQ-K

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GZNK 165SQ-K

165 mm / 6.5″ SQ midwoofer with supreme sound quality

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190 Watts max

6.5″ high performance midwoofer with GZ-design aluminum cast basket offering unique ventilation

  • 6.5″ SQ midwoofer
  • 38 mm / 1.5″ voice coil
  • High-tech Kevlar® cone
  • Impedance linearizing copper cap
  • Aluminum cast housing
  • GZ-design aluminum cast basket
  • GZ-design hexagon style NRG protection grill with logo option
  • Gold plated screw and soldering terminal
  • 1 pair / package
ModelHigh-quality SQ midwoofer
Diameter165 mm / 6.5″
Power handling (RMS/max.)130 / 190 Watts
Impedance4 Ohms
Efficiency88 dB
Frequency Response40 Hz – 5 kHz
Voice coil38 mm / 1.5″
ConeKevlar
Magnet materialNeodymium-ferrite hybrid system
Mounting Ø144 mm / 5.67″
Mounting depth70 mm / 2.76″
Resonance frequency (Fs)43 Hz

Owner’s Manual

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GZCS T-25S

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GZCS T-25S

25 mm / 1″ tweeter

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80 Watts max

25 mm / 1″ tweeter

  • Universal application
  • 2-step level adjustment
  • Coated soft dome
  • 12 dB/oct in-line high pass filter
  • Compatible with diverse midwoofers
  • Neodymium motor
  • 25 mm / 1″ silk dome tweeter
  • 1 pair / package
Model25 mm / 1″ tweeter 
Diameter25 mm / 1″
Power handling (RMS/max.)50 / 80 Watts
Impedance4 Ohms
Efficiency87 dB
Frequency Response4 kHz – 20 kHz
Voice coil25 mm / 1″ copper
Mounting Ø44 mm / 1.73”
Mounting depth22 mm / 0.87”
Resonance frequency (Fs)1460 Hz

Owner’s Manual

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GZCS T-25VW

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GZCS T-25VW

Car specific 25 mm / 1″ tweeter

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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
ModelCar specific tweeter for VW and identical brands
Diameter25 mm / 1″
Power handling (RMS/max.)50 / 80 Watts
Impedance4 Ohms
Efficiency87 dB
Frequency Response4 Hz – 20 kHz
Voice coil25 mm / 1″ copper
TweeterCoated soft dome

Owner’s Manual

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GZCS K-200VW

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GZCS K-200VW

Car specific 200 mm / 8″ midrange speaker

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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
ModelCar specific midrange speaker
Diameter200 mm / 8″
Power handling (RMS/max.)80 / 120 Watts
Impedance3 Ohms
Efficiency89 dB
Frequency Response40 Hz – 4.5 kHz
Voice coil38 mm / 1.5″ copper
ConeReinforced paper
Mounting Ø180 mm / 7.10″
Mounting depth70 mm / 2.76″
Resonance frequency (Fs)48 Hz
Damping ratio (Qts)0.61
Equiv. air volume (Vas)30.3 L / 1.01 ft³

Owner’s Manual

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GZCS K-165VW

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GZCS K-165VW

Car specific 165 mm / 6.5″ midrange speaker

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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
ModelCar specific midrange speaker
Diameter165 mm / 6.5″ 
Power handling (RMS/max.)70 / 100 Watts
Impedance3 Ohms
Efficiency87 dB
Frequency Response50 Hz – 5 kHz
Voice coil38 mm / 1.5″ copper
ConeReinforced paper
Mounting Ø142 mm / 5.59″
Mounting depth62 mm / 2.44″
Resonance frequency (Fs)60 Hz
Damping ratio (Qts)0.61
Equiv. air volume (Vas)11.4 L / 0.40 ft³

Owner’s Manual

Compatibility list

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GZCS 100.2BMW

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GZCS 100.2BMW

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

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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
ModelCar specific 2-way speakers
Diameter100 mm / 4″
Power handling (RMS/max.)70 / 110 Watts
Impedance4 Ohms
Efficiency87 dB
Frequency Response70 Hz – 24 kHz
Voice coil25 mm / 1″ copper
MidwooferGlass fiber cone

Owner’s Manual

Crossover install information

Compatibility list

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GZCS 100MB-C

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GZCS 100MB-C

Car specific 100 mm / 4″ center speaker

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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
ModelCar specific center speaker
Diameter100 mm / 4″
Power handling (RMS/max.)40 / 60 Watts
Impedance4+4 ohms
Efficiency82 dB
Frequency Response100 Hz – 17 kHz

Owner’s Manual

Compatibility list

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GZCS 100MB-S

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GZCS 100MB-S

Car specific 100 mm / 4″ surround speaker

Description
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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
ModelCar specific surround speaker
Diameter100 mm / 4″
Power handling (RMS/max.)40 / 60 Watts
Impedance4 Ohms
Efficiency82 dB
Frequency Response100 Hz – 17 kHz

Owner’s Manual

Compatibility list

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GZCS BMW-CENTER

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GZCS BMW-CENTER

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

Description
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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
ModelCar specific 2-way coax-speaker
Diameter100 mm / 4″
Power handling (RMS/max.)60 / 90 Watts
Impedance4 Ohms
Efficiency87 dB
Frequency Response70 Hz – 22 kHz
Tweeter25 mm / 1″ copper
Coax-SpeakerGlass fiber cone

Owner’s Manual

Compatibility list

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GZHA MINI FIVE-DSP

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GZHA MINI FIVE-DSP

5-channel class D compact amplifier with DSP

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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
ModelCompact class D amplifier with DSP
Channels5+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 Response20 Hz – 20 kHz
HPF / LPF / BPFDSP
Bass Boost / Phase switchDSP
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″

Owner’s Manual

Software

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GZHW 12SPL-D2 FLAT

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GZHW 12SPL-D2 FLAT

30 cm / 12″ high quality flat SPL subwoofer

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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
ModelHigh-Quality Flat SPL Subwoofer
Diameter30 cm / 12″
Power handling (RMS/SPL)700 / 1200 Watts
Impedance2x 2 Ohms
Efficiency88 dB
Power recommendation500 – 1200 Watts
Voice coil63 mm / 2.5″ Copper
ConeSandwich paper
Max. Excursion (Xmax)32 mm / 1.26″
Mounting Ø284 mm / 11.18″
Mounting depth118 mm / 4.65″
Resonance frequency (Fs)21 Hz
Overall quality (Qts)0.30
Equiv. air volume (Vas)19.7 L / 4.15 ft³

Owner’s Manual

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GZHW 8SPL-D2 FLAT

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GZHW 8SPL-D2 FLAT

20 cm / 8″ high quality flat SPL subwoofer

Description
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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
ModelHigh-Quality Flat SPL Subwoofer
Diameter20 cm / 8″
Power handling (RMS/SPL)500 / 800 Watts
Impedance2x 2 Ohms
Efficiency83 dB
Power recommendation350 – 800 Watts
Voice coil63 mm / 2.5″ Copper
ConeSandwich paper
Max. Excursion (Xmax)24 mm / 0.94″
Mounting Ø187 mm / 7.36″
Mounting depth80 mm / 3.15″
Resonance frequency (Fs)31.5 Hz
Overall quality (Qts)0.41
Equiv. air volume (Vas)14.2 L / 0.50 ft³

Owner’s Manual

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GZCM 6.5N-PROX

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GZCM 6.5N-PROX

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

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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
TypeHigh end midrange speaker with neodymium magnet
Diameter165 mm / 6.5″
Power handling (RMS/max.)200 / 400 Watts
Impedance4 ohms
Efficiency96 dB
Frequency response180 Hz – 12 kHz
Voice coil38 mm / 1.5″ CCA
Mounting Ø147 mm / 5.79″
Mounting depth63 mm / 2.48″

Owner’s Manual

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