Owner's Manual for Ground Zero GZIK 165SPL Midwoofer

Quick guide from the manual

This manual provides essential information for the installation and operation of the Ground Zero GZIK 165SPL midwoofer. For optimal performance, it is recommended to have the system components carefully tuned and installed by a professional car audio specialist.

Noise damping for sound quality

To achieve the best sound experience, it is crucial to minimize vibrations in the vehicle's interior. Thin surfaces and panels of the car body can resonate, causing unwanted noise. Using aluminum-butyl insulation adds mass to these surfaces, which lowers their natural resonance and significantly reduces booming.

Technical specifications

• Model: GZIK 165SPL
• Voice coil: 25 mm / 1 inch copper
• Magnet: Ferrite
• Cone: 3D-HQPP, 122 mm
• Impedance: 3 Ohms
• Resonance frequency (Fs): 61.5 Hz
• Power handling: 80 Watts (nominal) / 120 Watts (SPL)
• Mounting diameter: 142.5 mm
• Mounting depth: 68 mm

Safety instructions

• Keep all packaging and parts away from children and pets to avoid suffocation.
• Avoid prolonged exposure to volume levels over 85 dB to prevent permanent hearing damage.
• High volume levels can distract from traffic and hinder the perception of important road noises.
• The product contains magnetized metals and should be disposed of at a local recycling facility, not with household waste.