GZRK 165SQ

160 Watts max

6.5″ high power midwoofer with anodized aluminum cone

6.5″ high power midwoofer
25 mm / 1″ voice coil
Black anodized aluminum cone
Nomex spider
Resonance free steel basket
High efficient 3 ohms version
Linearized motor
Incl. protection grill
Goldplated soldering terminal
1 pair / package

Model	High power midwoofer
Diameter	165 mm / 6.50″
Power handling (RMS/max.)	110 / 160 Watts
Impedance	3 ohms
Efficiency	89 dB
Frequency Response	35 Hz – 4 kHz
Voice coil	25 mm / 1″
Cone	Black anodized aluminum
Mounting Ø	142.5 mm / 5.61″
Mounting depth	68 mm / 2.68″
Resonance frequency (Fs)	60.1 Hz

GZRK 165SQ Read More »

GZRC 165.3SQ

22. November 2022 / Ground Zero Audio

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GZRC 165.3SQ

165 mm / 6.5″ 3-way SQ component speaker system

230 Watts max

6.5″ 3-way SQ component speaker system with aluminum cone and 3-ohms inpedance

3-way SQ component speaker system
Black anodized aluminum cone
Rubber surround
Nomex spider
Resonance free steel basket
High efficient 3 ohms version
GZRT 25SQ
GZRM 80SQ
3-way passive crossover
Incl. protection grill

Model	3-way SQ component speakers
Diameter	165 mm / 6.50″
Power handling (RMS/max.)	150 / 230 Watts
Impedance	3 ohms
Efficiency	90 dB
Frequency Response	35 Hz – 25 kHz
Tweeter	GZRT 25SQ
Midrange Speaker	GZRM 80SQ
High performance midwoofer	GZRK 165SQ
Mounting Ø	142.5 mm / 5.61″
Mounting depth	68 mm / 2.68″
Crossover	12/12 dB/Oct
Crossover frequency	200 / 4300 Hz

GZRC 165.3SQ Read More »

GZRT 25SQ

22. November 2022 / Ground Zero Audio

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GZRT 25SQ

25 mm / 1″ coated silk dome tweeter

110 Watts max

1″ sound quality tweeter with coated silk dome and vented neodymium motor

25 mm / 1″ silk dome tweeter
4 ohms voice coil
Coated silk dome
Neodymium motor
Compound housing and installation frame
Ferrofluid cooled
Low installation depth
Neodymium motor
Connection wires
1 pair / package

Model	Silk dome tweeter
Diameter	25 mm / 0.98″
Power handling (RMS/max.)	70 / 110 Watts
Impedance	4 Ohms
Efficiency	89 dB
Frequency Response	2500 Hz – 24 kHz
Voice coil	25 mm / 1″
Cone	Silk dome
Mounting Ø	48 mm / 1.89″
Mounting depth	16 mm / 0.63″
Resonance frequency (Fs)	1550 Hz

Owner’s manual

GZRT 25SQ Read More »

GZCC 165.2SQL

22. November 2022 / Ground Zero Audio

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GZCC 165.2SQL

165 mm / 6.5″ 2-way component speaker system

300 Watts max

165 mm / 6.5″ 2-way component speaker system with SQL tweeter

2-way SPL component speaker system
Fiber reinforced paper cone
High excursion foamed W-surround
CCA voice coil
Resonance free steel basket
High power capable 4 ohm version
GZCT 25SQL
SPL crossover with double woofer option
Incl. protection grill

Model	2-way component speakers
Diameter	165 mm / 6.50″
Power handling (RMS/max.)	160 / 300 Watts
Impedance	4 Ohms
Efficiency	96 dB
Frequency Response	50 Hz – 22 kHz
Tweeter	GZCT 25SQL
High performance midwoofer	GZCK 165XSPL
Mounting Ø	145 mm / 5.71″
Mounting depth	71.5 mm / 2.81″
Crossover	2-way with double woofer option
Crossover frequency	4500 Hz

GZCC 165.2SQL Read More »

GZRC 165.2SQ-ACT

22. November 2022 / Ground Zero Audio

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GZRC 165.2SQ-ACT

165 mm / 6.5″ 2-way SQ component speaker system for active use

270 Watts max

6.5″ 2-way SQ component speaker system with aluminum cone for active use

2-way SQ component speaker system for active use
Black anodized aluminum cone
Rubber surround
Nomex spider
Resonance free steel basket
GZRT 25SQ
Ferrite motor
For active use
Incl. protection grill

Model	2-way SQ component speakers
Diameter	165 mm / 6.50″
Power handling (RMS/max.)	180 / 270 Watts
Efficiency	90 dB
Frequency Response	35 Hz – 25 kHz
Tweeter	GZRT 25SQ
High performance midwoofer	GZRK 165SQ
Mounting Ø	142.5 mm / 5.61″
Mounting depth	68 mm / 2.68″
Crossover frequency	4300 Hz

GZRC 165.2SQ-ACT Read More »

GZRC 165.3SQ-ACT

22. November 2022 / Ground Zero Audio

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GZRC 165.3SQ-ACT

165 mm / 6.5″ 3-way SQ component speaker system for active use

350 Watts max

6.5″ 3-way SQ component speaker system with aluminum cone for active use

3-way SQ component speaker system for active use
Black anodized aluminum cone
Rubber surround
Nomex spider
Resonance free steel basket
GZRT 25SQ
GZRM 80SQ
For active use
Incl. protection grill

Model	3-way SQ component speakers
Diameter	165 mm / 6.50″
Efficiency	90 dB
Frequency Response	35 Hz – 25 kHz
Tweeter	GZRT 25SQ
Midrange Speaker	GZRM 80SQ
High performance midwoofer	GZRK 165SQ
Mounting Ø	142.5 mm / 5.61″
Mounting depth	68 mm / 2.68″
Crossover frequency	200 / 4300 Hz

GZRC 165.3SQ-ACT Read More »

GZCC 200.2SQL

22. November 2022 / Ground Zero Audio

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GZCC 200.2SQL

200 mm / 8″ 2-way component speaker system

380 Watts max

200 mm / 8″ 2-way component speaker system with SQL tweeter

2-way SPL component speaker system
Fiber reinforced paper cone
High excursion foamed W surround
CCA voice coil
Resonance free steel basket
High power capable 4 ohm version
GZCT 25SQL
SPL crossover with double woofer option
Incl. protection grill

Model	2-way component speakers
Diameter	200 mm / 7.87″
Power handling (RMS/max.)	200 / 380 Watts
Impedance	4 Ohms
Efficiency	97 dB
Frequency Response	50 Hz – 22 kHz
Tweeter	GZCT 25SQL
High performance midwoofer	GZCK 200XSPL
Mounting Ø	183 mm / 7.20″
Mounting depth	86 mm / 3.39″
Crossover	2-way with double woofer option
Crossover frequency	4500 Hz

GZCC 200.2SQL Read More »

GZRC 165 Anniversary-25

22. November 2022 / Ground Zero Audio

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GZRC 165 Anniversary-25

165 mm / 6.5″ 2-way SQ component speaker system

200 Watts max

6.5″ 2-way SQ component speaker system with aluminum cone and 3-ohms inpedance

2-way SQ component speaker system
Black anodized aluminum cone with 25th Anniversay lettering
Rubber surround
Nomex spider
Coated resonance free steel basket
High efficient 3 ohms version
GZUT 28SQ-25
Ferrite motor
2-way passive crossover with Mundorf capacitor
Incl. protection grill

Model	2-way SQ component speakers
Diameter	165 mm / 6.50″
Power handling (RMS/max.)	130 / 200 Watts
Impedance	3 ohms
Efficiency	90 dB
Frequency Response	35 Hz – 25 kHz
Tweeter	GZUT 28SQ 25th
High performance midwoofer	GZRK 165SQ 25th
Mounting Ø	142.5 mm / 5.61″
Mounting depth	68 mm / 2.68″
Crossover	12/12 dB/Oct
Crossover frequency	3700 Hz

GZRC 165 Anniversary-25 Read More »

GZRT 25T

22. November 2022 / Ground Zero Audio

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GZRT 25T

25 mm / 1″ titanium dome tweeter

110 Watts max

1″ high quality tweeter with titanium dome and aluminum housing

25 mm / 1″ titanium dome tweeter
High efficient 3 ohms voice coil
Titanium dome
Neodymium motor
Anodyzed aluminum mounting ring
Ferrofluid cooled
Low installation depth
Neodymium motor
Connection wires
1 pair / package

Model	Titanium dome tweeter
Diameter	25 mm / 0.98″
Power handling (RMS/max.)	70 / 110 Watts
Impedance	3 ohms
Efficiency	92 dB
Frequency Response	3000 Hz – 26 kHz
Voice coil	25 mm / 1″
Mounting Ø	43.1 mm / 1.70″
Mounting depth	22 mm / 0.866″
Resonance frequency (Fs)	1500 Hz

Owner’s manual

GZRT 25T Read More »

GZRC 165.2SQ-IV

22. November 2022 / Ground Zero Audio

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GZRC 165.2SQ-IV

165 mm / 6.5″ 2-way SQ component speaker system

190 Watts max

6.5″ 2-way SQ component speaker system with aluminum cone and 3-ohms inpedance

2-way SQ component speaker system
Black anodized aluminum cone
Rubber surround
Nomex spider
Resonance free steel basket
High efficient 3 ohms version
GZRT 25SQ
Ferrite motor
Separated high pass and low pass filter
Incl. protection grill

Model	2-way SQ component speakers
Diameter	165 mm / 6.50″
Power handling (RMS/max.)	120 / 190 Watts
Impedance	3 ohms
Efficiency	90 dB
Frequency Response	35 Hz – 25 kHz
Tweeter	GZRT 25SQ
High performance midwoofer	GZRK 165SQ-IV
Mounting Ø	142.5 mm / 5.61″
Mounting depth	68 mm / 2.68″
Crossover	6/12 dB/oct
Crossover frequency	4300 Hz

GZRC 165.2SQ-IV Read More »

GZUC 165.2SQ-ACT

22. November 2022 / Ground Zero Audio

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GZUC 165.2SQ-ACT

165 mm / 6.5″ 2-way component speaker system for active use

GZUC 165.2SQ-ACT Read More »

230 Watts max

6.5″ sound quality 2-way component loudspeaker system with 28 mm / 1.1″ silk dome tweeter

2-way component loudspeaker system for active use
Black anodized aluminum cone
Rubber surround
GZ aluminum cast basket
50 mm / 2″ copper voice coil
Universal 4 ohms version
Linearized neodymium motor
GZUT 28SQ
GZ design hexagon style protection grill

Model	2-way component speakers
Diameter	165 mm / 6.50″
Power handling (RMS/max.)	80 / 130 Watts + 120 / 180 Watts
Impedance	4 + 4 ohms
Frequency Response	40 Hz – 25 kHz
Tweeter	GZUT 28SQ
Outer Ø	54 mm / 2.13″
High performance midwoofer	GZUK 165SQ
Speaker Diameter	165 mm / 6.5″
Mounting Ø	144 mm / 5.67″
Mounting depth	63 mm / 2.48″

Owner’s Manual Datasheet

GZUC 165.2SQ

22. November 2022 / Ground Zero Audio

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GZUC 165.2SQ

165 mm / 6.5″ 2-way component speaker system

230 Watts max

6.5″ sound quality 2-way component loudspeaker system with 28 mm / 1.1″ silk dome tweeter

2-way component speaker system
Black anodized aluminum cone
Rubber surround
GZ aluminum cast basket
50 mm / 2″ copper voice coil
Universal 4 ohms version
Linearized neodymium motor
GZUT 28SQ
Variable 12 dB/oct crossover
GZ design hexagon style protection grill

Model	2-way component speakers
Diameter	165 mm / 6.50″
Power handling (RMS/max.)	140 / 230 Watts
Impedance	4 Ohms
Efficiency	89 dB
Frequency Response	40 Hz – 25 kHz
Tweeter	GZUT 28SQ
Outer Ø	54 mm / 2.13″
High performance midwoofer	GZUK 165SQ
Speaker Diameter	165 mm / 6.5″
Mounting Ø	144 mm / 5.67″
Mounting depth	63 mm / 2.48″
Crossover frequency	4800 Hz

Owner’s Manual Datasheet

GZUC 165.2SQ Read More »

GZUC 650SQX

22. November 2022 / Ground Zero Audio

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GZUC 650SQX

165 mm / 6.5″ 2-way component speaker system

220 Watts max

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

2-way component speaker system
WFWC® cone with wooven wooden fiber
LDW® rubber surround
Euro-DIN basket
Solid aluminum cast basket
Universal 4 ohms version
GZUT 25SQX
Ferrite motor
Variable 12 dB/oct crossover
Incl. protection grill

Model	2-way component speakers
Diameter	165 mm / 6.5″
Power handling (RMS/max.)	140 / 220 Watts
Impedance	4 Ohms
Efficiency	90 dB
Frequency Response	40 Hz – 24 kHz
Tweeter	GZUT 25SQX
Midwoofer	GZUK 65SQX
Mounting depth	66 mm
Crossover	Variable 2-way
Crossover frequency	2800 Hz

GZUC 650SQX Read More »

GZUC 65.3SQX

22. November 2022 / Ground Zero Audio

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GZUC 65.3SQX

165 mm / 6.5″ 3-way semi-active component speaker system

Owner’s Manual – GZUC 650SQX Owner’s Manual – GZUF 60SQX Owner’s Manual – GZUC 65.3SQX

220 Watts max

6.5″ sound quality 3-way semi-active component speaker system with aluminum cast basket including 1″ silk dome tweeters

3-way semi-aktive component speaker system
WFWC® cone with wooven wooden fiber
LDW® rubber surround
Euro-DIN basket
Solid aluminum cast basket
Midrange GZUF 60SQX
GZUT 25SQX
Ferrite motor
Variable 12 dB/oct crossover
Incl. protection grill

Model	3-way semi active component speakers
Diameter	165 mm / 6.5″
Power handling (RMS/max.)	220 / 350 Watts
Impedance	4 Ohms
Efficiency	90 dB
Frequency Response	40 Hz – 24 kHz
Tweeter	GZUT 25SQX
Midwoofer	GZUK 65SQX
Mounting depth	66 mm
Crossover	Variable 2-way
Crossover frequency	2800 Hz

GZUC 65.3SQX Read More »

GZHC 165.2

22. November 2022 / Ground Zero Audio

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GZHC 165.2

165 mm / 6.5″ 2-way component speaker system

220 Watts max

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

2-way component speaker system
Non-pressed paper cone
Rubber surround
GZ aluminum cast basket
38 mm / 1.5″ voice coil
High power capable 4 ohms version
GZHT 25S
Ferrite motor
Variable 12 dB/oct crossover
GZ design hexagon style protection grill

Model	2-way component speakers
Diameter	165 mm / 6.50″
Impedance	4 Ohms
Efficiency	88 dB
Frequency Response	40 Hz – 24 kHz
Tweeter	GZHT 25S
Outer Ø	54 mm / 2.13″
High performance midwoofer	GZHK 165
Speaker Diameter	165 mm / 6.5″
Mounting Ø	144 mm / 5.67″
Mounting depth	69 mm / 0.27″
Crossover	Variable 2-way
Crossover frequency	4500 Hz

GZHC 165.2 Read More »

GZUC 165.3SQ-ACT

22. November 2022 / Ground Zero Audio

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GZUC 165.3SQ-ACT

165 mm / 6.5″ 3-way SQ component loudspeaker system for active use

250 Watts max

6.5″ sound quality 3-way component loudspeaker system with 2.17″ silk dome midrange and 1.1″ silk dome tweeter for active use

3-way component speaker system for active use
Black anodized aluminum cone
Rubber surround
GZ aluminum cast basket
50 mm / 2″ copper voice coil
Universal 4 ohms version
Linearized neodymium motor
GZUT 28SQ / GZUM 55SQ
GZ design hexagon style protection grill

Model	3-way component speakers for active use
Diameter	165 mm / 6.50″
Power Handling (RMS)	80 / 90 / 120 Watts
Impedance	4 + 4 + 4 ohms
Frequency Response	40 Hz – 25 kHz
Tweeter	GZUT 28SQ
Outer Ø	54 mm / 2.13″
Midrange Speaker	GZUM 55SQ
High performance midwoofer	GZUK 165SQ
Speaker Diameter	165 mm / 6.5″
Mounting Ø	144 mm / 5.67″
Mounting depth	63 mm / 2.48″

GZUC 165.3SQ-ACT Read More »

GZUC 165.3SQ

22. November 2022 / Ground Zero Audio

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GZUC 165.3SQ

165 mm / 6.5″ 3-way SQ component loudspeaker system

250 Watts max

6.5″ sound quality 3-way component loudspeaker system with 2.17″ silk dome midrange and 1.1″ silk dome tweeter

3-way component speaker system
Black anodized aluminum cone
Rubber surround
GZ aluminum cast basket
50 mm / 2″ copper voice coil
Universal 4 ohms version
Linearized neodymium motor
GZUT 28SQ / GZUM 55SQ
Variable 12 dB/oct crossover
GZ design hexagon style protection grill

Model	3-way component speakers
Diameter	165 mm / 6.50″
Impedance	4 Ohms
Efficiency	89 dB
Frequency Response	40 Hz – 25 kHz
Tweeter	GZUT 28SQ
Outer Ø	54 mm / 2.13″
Midrange Speaker	GZUM 55SQ
High performance midwoofer	GZUK 165SQ
Speaker Diameter	165 mm / 6.5″
Mounting Ø	144 mm / 5.67″
Mounting depth	63 mm / 2.48″
Crossover	Variable 3-way
Crossover frequency	450 / 4500 Hz

GZUC 165.3SQ Read More »

GZUC 650SQ-II

22. November 2022 / Ground Zero Audio

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GZUC 650SQ-II

165 mm / 6.5″ 2-way component speaker system

210 Watts max

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

2-way component speaker system
WFWC® cone with wooven wooden fiber
Rubber surround
Euro-DIN basket
Solid aluminum cast basket
Universal 4 ohms version
25 mm / 1″ silk dome tweeter
Ferrite motor
Variable 12 dB/oct crossover
Incl. protection grill

Model	2-way component speakers
Diameter	165 mm / 6.5″
Power handling (RMS/max.)	130 / 210 Watts
Impedance	4 Ohms
Efficiency	90 dB
Frequency Response	40 Hz – 24 kHz
Tweeter	25 mm / 1″ silk dome
Midwoofer	WFWC® cone
Mounting depth	66 mm
Crossover	Variable 2-way
Crossover frequency	2800 Hz

GZUC 650SQ-II Read More »

GZPC 165SQ

22. November 2022 / Ground Zero Audio

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GZPC 165SQ

165 mm / 6.5″ 2-way component speaker system

250 Watts max

6.5″ high end 2-way component speaker system with aluminum cast basket including 1.1″ silk dome tweeters

2-way component speaker
Made in Germany
Alumium-ceramics cone
Conex spider
Solid aluminum cast basket
Universal 4 ohms version
GZPT 28SX
High end 18 dB/oct and 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	90 dB
Frequency Response	30 Hz – 30 kHz
Tweeter	GZPT 28SX
Midwoofer	GZPK 16SQ
Mounting Ø	143.5 mm
Mounting depth	68 mm
Crossover	GZPX 165SQ
Crossover frequency	2800 Hz

GZPC 165SQ Read More »

GZPC 165SQ-ACT

22. November 2022 / Ground Zero Audio

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GZPC 165SQ-ACT

165 mm / 6.5″ 2-way active component speaker system