Ground Zero GZCS BMW-CENTER
The Ground Zero GZCS BMW-CENTER is a car specific 100 mm / 4″ 2-way coaxial center speaker developed for BMW vehicles. It combines a glass fiber cone, a neodymium motor and a 20 mm silk dome tweeter in a GZ design aluminum cast basket with a BMW-specific aluminum mounting frame, so it replaces the factory center speaker without any modifications.
Key Features
- Car Specific Center Speaker: 2-way center coax-speaker for BMW, suitable for various vehicles (see compatibility list)
- Glass Fiber Cone: Stiff, lightweight membrane for clean and detailed midrange reproduction
- Neodymium Motor: Powerful yet compact drive unit for a shallow installation
- GZ Design Aluminum Cast Basket: Rigid, resonance free chassis
- 20 mm / 0.79″ Silk Dome Tweeter: Smooth and natural high frequency reproduction
- GZ Design Aluminum Mounting Frame for BMW: Fits directly into the factory center speaker location
- Car Specific Connection: Plug’n’play installation with the original wiring
Technical Specifications
- Type: Car specific 2-way coax-speaker
- Diameter: 100 mm / 4″
- Power Handling: 60 W RMS / 90 W max
- Impedance: 4 Ohms
- Efficiency: 87 dB
- Frequency Response: 70 Hz – 22 kHz
- Tweeter: 25 mm / 1″ copper voice coil, 20 mm silk dome
- Coax-Speaker Cone: Glass fiber
- Package Content: 1 piece
The ideal plug’n’play upgrade for the factory center speaker in your BMW, delivering a clearer and more focused center stage.














