Crafted for the most refined sound systems, the GZPK 165SQ-C is a 6.5" high-end midwoofer from Ground Zero’s elite Plutonium Series. Featuring a ceramic-coated aluminum cone, a Klippel®-optimized motor structure, and a custom-engineered GZ-design cast aluminum basket with advanced ventilation, this speaker delivers exceptional control, clarity, and dynamic range.
Its hybrid neodymium-ferrite motor, lightweight copper-clad aluminum voice coil, and precision damping make it ideal for SQ-focused active systems. With a frequency response from 40 Hz to 5 kHz and RMS handling of 140W, the GZPK 165SQ-C offers outstanding midbass authority and smooth midrange response—perfect for competition-level performance or any system where fidelity comes first.
Specifications / Information:
6.5″ high end midwoofer
38 mm / 1.5″ voice coil
Aluminium-ceramics cone
High-efficient hybrid motor with neodymium and ferrite magnets
Lightweight, 2-layer copper clad aluminium voice coil
GZ-design hexagon style NRG* protection grill with logo option
Gold-plated GZ-design screw terminal
Chrome plated magnet cover
Optimised using the renowned Klippel® measurement system
1 pair / package
Model High-quality SQ midwoofer
Diameter 165 mm / 6.5″
Power handling (RMS/max.) 140 / 200 Watts
Impedance 4 Ohms
Efficiency 89 dB
Frequency Response 40 Hz – 5000 Hz
Voice coil 38 mm / 1.5″
Cone Aluminum-ceramics
Mounting Ø 144 mm / 5.67″
Mounting depth 70 mm / 2.76″
Resonance frequency (Fs) 38 Hz
Crafted for the most refined sound systems, the GZPK 165SQ-C is a 6.5" high-end midwoofer from Ground Zero’s elite Plutonium Series. Featuring a ceramic-coated aluminum cone, a Klippel®-optimized motor structure, and a custom-engineered GZ-design cast aluminum basket with advanced ventilation, this speaker delivers exceptional control, clarity, and dynamic range.
Its hybrid neodymium-ferrite motor, lightweight copper-clad aluminum voice coil, and precision damping make it ideal for SQ-focused active systems. With a frequency response from 40 Hz to 5 kHz and RMS handling of 140W, the GZPK 165SQ-C offers outstanding midbass authority and smooth midrange response—perfect for competition-level performance or any system where fidelity comes first.
Specifications / Information:
6.5″ high end midwoofer
38 mm / 1.5″ voice coil
Aluminium-ceramics cone
High-efficient hybrid motor with neodymium and ferrite magnets
Lightweight, 2-layer copper clad aluminium voice coil
GZ-design hexagon style NRG* protection grill with logo option
Gold-plated GZ-design screw terminal
Chrome plated magnet cover
Optimised using the renowned Klippel® measurement system
1 pair / package
Model High-quality SQ midwoofer
Diameter 165 mm / 6.5″
Power handling (RMS/max.) 140 / 200 Watts
Impedance 4 Ohms
Efficiency 89 dB
Frequency Response 40 Hz – 5000 Hz
Voice coil 38 mm / 1.5″
Cone Aluminum-ceramics
Mounting Ø 144 mm / 5.67″
Mounting depth 70 mm / 2.76″
Resonance frequency (Fs) 38 Hz
