OPTISOUNDBMW8-V4: Optisound 8 Inch BMW Underseat Replacement Subwoofer

  • Direct Replacement Underseat Subwoofers
  • Enhanced bass response over factory speakers
  • Add Powerbox65.4M for even greater sound


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Plug and Play BMW Underseat subwoofer upgrade

Easiest plug & play installation due to car-specific baskets and harnesses, High-end crossover with reference curve setup, System can be used as passive or semi-active system, Approved compatibility with 1 SeriesE 82/87/88/ 3 Series 90/91/92/93


  • OPTISOUNDBMW8-V4 Car Specific Component
  • 1-way 8” (200mm)
  • 115 watts RMS
  • 345 watts Peak
  • 55 watts minimum input
  • Sensitivity: 90dB
  • Frequency response: 55Hz – 2500Hz
  • Impedance: 4Ω
  • Recommended amplifier: POWERBOX60.4-V7

55Hz - 2500Hz


Click download below to view PDF versions of the manuals for this product

OPTISOUNDBMW8-V4: Optisound 8 Inch BMW Underseat Replacement Subwoofer Manual Download

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Additional information

Weight1.72 kg
Dimensions49.5 × 27 × 7 cm

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