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Product details

Key Features
  • Large double-stacked motor gives this 8 inch sub the authority of a much more serious driver
  • Perimeter venting and BASV coil design help it stay composed under sustained power
  • Cast aluminum basket improves rigidity and thermal behaviour under load
  • Compact 8 inch format suits tight installs without feeling like a compromise
  • Designed to work properly in both sealed and ported enclosures
Advanced Specifications
  • Product type: High-output subwoofer
  • Series: 3XL Series
  • Size: 8″
  • Nominal impedance: Dual 2 ohm
  • VC impedance: 2 ohm + 2 ohm
  • Test impedance: 1.83 ohms
  • Power handling: 500W RMS / 750W peak
  • Sensitivity: 89 dB
  • Frequency response: 35 Hz – 450 Hz
  • Cone material: Pressed and coated pulp paper
  • Surround: High-roll foam surround
  • Voice coil size: 2.5″
  • Voice coil former: Vented HD BASV
  • Cooling: Perimeter Aero-Vent voice coil cooling vents
  • Basket: Non-resonant DDC coated cast aluminum
  • Motor: XTRA large double-stacked motor structure
  • Terminals: Square spring-loaded nickel plated push terminals
  • Enclosure suitability: Sealed and ported enclosures
  • Mounting depth: 6.2″
Best Suited For
  • Compact installs that still need convincing low-frequency output
  • Small substage builds using serious mono amplification
  • Daily systems where space is limited but bass output still matters
  • Sealed or ported enclosure builds needing flexibility
  • Users wanting a hard-hitting 8 inch sub without stepping into shallow-mount compromises
Why OSCA Backs This Product

The standout here is the large double-stacked motor. That’s the reason this works as more than just a small sub for convenience, because it gives the driver the motor force and control needed to actually deliver serious bass from an 8 inch format.

Trusted Brands for Serious Systems

Selected for Real-World Performance

Cutting Through the Noise of Car Audio

PowerBass Xtreme 3XL Series 🔊

The PowerBass Xtreme 3XL Series represents the top end of the PowerBass subwoofer range, developed through years of engineering, testing, and real-world refinement. These are serious high-output subwoofers built for people who expect more than just big numbers, combining heavy-duty motor structures, strong thermal control, and proven mechanical design to deliver bass that stays composed when the system is pushed hard. The result is a range built for demanding installs where output, durability, and control all matter. The 3XL Series is designed to work with modern high-power amplification and give serious bass systems the strength and stability they need to perform properly over time.

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