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Metra BB66 Crossover Capacitor Non-Polar Pair 66uF Cap 50W Power for 4" Speakers

$14.99
Availability: Out of stock
SKU
Metra BB66

Metra BB66 Crossover Capacitor Non-Polar Pair - 66uF, 50W for 4" Speakers

The Metra BB66 crossover capacitors are specialized bass blockers built to optimize the performance of 4-inch midrange speakers. Designed with a 66uF capacitance value, these non-polarized capacitors filter out damaging low frequencies, improving sound clarity and speaker efficiency. Ideal for custom audio installations seeking cleaner mids and highs.


  • Designed for 4" Speakers - Provides precise low-frequency cutoff for smaller drivers.
  • 66uF Capacitance - Blocks bass frequencies below the crossover threshold.
  • Crossover Frequency: 600Hz (4Ω) / 300Hz (8Ω)
  • Protects Speaker Performance - Reduces distortion and prevents low-end overload.
  • Non-Polar Pair - Flexible installation on either positive or negative speaker leads.
  • Handles Up to 50 Watts - Compatible with most mid-power systems.

  • Brand: Metra
  • Model: BB66
  • MPN: Metra BB66
  • Type: Capacitors / Bass Blockers
  • Capacitance: 66uF
  • Crossover Frequency: 600Hz (4 Ohm) / 300Hz (8 Ohm)
  • Maximum Power Level: 50W
  • Compatibility: 4 Inch Speakers
  • Color: White

The Metra BB66 crossover capacitor pair is engineered for DIY installers and audio professionals looking to protect their 4-inch speakers from damaging bass signals. Whether you’re upgrading factory components or refining a full-range system, these compact, reliable bass blockers offer a simple but essential improvement in sound quality and speaker longevity.

More Information
Product Name Metra BB66 Crossover Capacitor Non-Polar Pair 66uF Cap 50W Power for 4" Speakers
Brand Metra
Model BB66
Features Blocks Low Frequencies Below Crossover Point