The Ground Zero GZCK 200XSPL is a car speaker with a simple voice coil designed for audio enthusiasts seeking reliable performance. This mid-bass speaker has a diameter of 8.23 inches (209 mm) with a cut-out opening of 183 mm in diameter and a mounting depth of 86 mm. It operates at a 4-ohm impedance and delivers a nominal power of 150 W RMS with a maximum power handling of 300 W. The frequency range extends from 50 Hz to 6 kHz, providing clear reproduction in the midrange and bass frequencies. Technical specifications include a voice coil diameter of 38 mm, a ferrite magnet system with a 120 mm magnet diameter, and an efficiency of 93 dB at 1 W/1 m. Additional parameters are Fs 54.3 Hz, Qts 0.38, Vas 31.2 liters, and Mms 18.9 grams. The construction with durable materials and precise engineering ensures consistent performance across various car audio applications. The design focuses on acoustic accuracy and structural integrity, ensuring long-term reliability in vehicle environments. Ground Zero products are known for their technical precision and consistent audio performance, making this model suitable for enthusiasts looking for balanced sound reproduction without excessive modification requirements. The speaker parameters show optimized performance for mid-bass frequencies while remaining compatible with standard vehicle audio systems. The construction consistently uses high-quality components, from the magnet system to the voice coil design, contributing to stable operation under varying temperature and humidity conditions typically found in vehicle environments.