Ground Zero GZHK 165 – 6.5″ High-Power Midwoofer
The Ground Zero GZHK 165 is a high-power 6.5″ midwoofer designed for superior sound quality and durability. Built with a GZ design aluminum cast basket and a non-pressed paper cone, this midwoofer delivers deep, resonant bass and accurate midrange. Featuring a 38 mm CCA voice coil and a ferrite motor, the GZHK 165 is engineered to handle high power while maintaining clarity and control. Ideal for car audio enthusiasts looking for enhanced bass response and smooth sound reproduction, this midwoofer also comes with a GZ design protection grill for added durability.
Key Features
- Non-Pressed Paper Cone: Provides natural sound reproduction with rich bass tones.
- GZ Aluminum Cast Basket: Ensures stability and reduces resonance for clearer audio quality.
- High-Power Capable 4 Ohms Version: Designed to handle powerful audio outputs with ease.
- Ferrite Motor with Linearized Structure: Delivers consistent performance with minimized distortion.
- Protective Grill Included: GZ-designed grill adds durability and a sleek look.
Specifications
- Model: High-Power Midwoofer
- Diameter: 165 mm / 6.50″
- Power Handling (RMS/Max): 120 / 180 Watts
- Impedance: 4 Ohms
- Efficiency: 87 dB
- Frequency Response: 40 Hz – 5000 Hz
- Voice Coil: 38 mm / 1.5″ CCA
- Cone Material: Scooped Paper
- Mounting Diameter: 144 mm / 5.67″
- Mounting Depth: 69 mm / 2.72″
- Resonance Frequency (Fs): 49.4 Hz






