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Product details

Advanced Specifications
  • Speaker type: 2-way coaxial
  • Size: 6x9″
  • Power handling: 150W RMS / 300W max
  • Impedance: 4 ohms
  • Sensitivity: 94 dB
  • Frequency response: 50 Hz – 20 kHz
  • Cone: Pressed paper
  • Surround: High-excursion textile
  • Tweeter: 25 mm / 1″ Mylar dome
  • Crossover: 6 dB/oct high-pass filter
  • Motor: Ferrite
  • Voice coil: 1.5″ copper-clad aluminum
  • Basket: Resonance-free steel
  • Mounting diameter: 152 x 214 mm / 5.98″ x 8.43″
  • Mounting depth: 84 mm / 3.31″
  • Features: Klippel® optimised
  • Grille: Hexagon protection grille included
  • Application: Weather resistant / power sports
Key Features
  • Designed for high-output use where volume and projection are critical
  • High-efficiency design delivers strong output with minimal power demand
  • 6x9 format increases cone area for greater output and presence
  • Built to maintain clarity at elevated volume levels
  • Weather-resistant construction suited to exposed environments
Best Suited For
  • Harley Davidson and power sports applications
  • High-output daily systems requiring strong projection
  • Rear fill or saddlebag speaker upgrades
  • Outdoor or exposed installations
  • Users prioritising volume and presence over subtlety
Why OSCA Backs This Product

We use these in a range of builds, but they really prove themselves in motorcycle setups. The output is there, but more importantly they stay controlled where most coaxials start to struggle.

12-MONTH LIMITED WARRANTY APPLIED

Free Shipping on All Orders Within Australia Over $1000

12-MONTH LIMITED WARRANTY APPLIED

Free Shipping on All Orders Within Australia Over $1000

Proven Performance, Engineered in Germany

Ground Zero, established in 1995, is a German-engineered car audio brand with strong American performance roots, known for delivering high-output, competition-proven equipment built on real engineering, not hype. With distribution in over 80 countries and a full range of system components developed in Germany, the brand has earned global respect through consistent results in independent testing and demanding installs. From its origins in high-excursion subwoofer design to its evolution into a complete system solution, Ground Zero remains a go-to for enthusiasts and installers who value output, reliability, and proven performance.

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