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Pair of 6x8 inch coaxial car speakers with magnesium dome tweeters and mica blended paper cones

MB Quart

MB Quart PK1-168 Premium Series 5x7/6x8" Coaxial Car Speaker

SKU CH-6D3A-AEK31

Premium 2-way coaxial speakers with 1" magnesium dome tweeters, mica-blended aerated paper cones for strong bass, and a glass-fibre composite frame to eliminate harmonic distortion

  • TypeSpeaker
  • Speaker Size6" x 8"
  • Magnesium WideSphere tweeter expands sound stage with tunable waveguide
  • Aerated pop paper cone with Mica blend strengthens bass reproduction
  • Aerospace-grade PA66 frame with 30% glass fibre eliminates harmonic distortion
  • Audiophile crossover uses tight-tolerance components for precise frequency separation
  • Engineered for exact vehicle fit whether upgrading or custom installing

Premium 5x7/6x8" Coaxial Car Speakers

These MB Quart PK1-168 speakers target drivers who want a direct-fit upgrade for factory 6" x 8" locations. The two-way coaxial design combines a magnesium dome tweeter with a mica-blended paper cone for clear highs and strong bass. Buyers needing component separates or larger diameter drivers should look elsewhere.

WideSphere Tunable Waveguide

The removable phase lens and off-axis dispersion pattern let the installer aim the sound stage toward the listening position. WideSphere technology works with the waveguide adjustment to maintain consistent output across seats during extended highway trips rather than only at a single sweet spot.

Low-Resonance PA66 Composite Frame

An aerospace-grade PA66 frame with 30% glass fiber suppresses cabinet vibrations that colour mid-range tones. The stiff chassis keeps the aerated pop cone stable at high volume so thermal compression stays minimal on long playlists. The audiophile-grade crossover uses tight-tolerance components to split frequencies cleanly without adding noise.

Highlights

  • Magnesium WideSphere tweeter expands sound stage with tunable waveguide
  • Aerated pop paper cone with Mica blend strengthens bass reproduction
  • Aerospace-grade PA66 frame with 30% glass fibre eliminates harmonic distortion
  • Audiophile crossover uses tight-tolerance components for precise frequency separation
  • Engineered for exact vehicle fit whether upgrading or custom installing

Specifications

TypeSpeaker
Speaker Size6" x 8"

Questions about this item

How much heat does the PA66 composite frame with 30% glass fibre generate during extended daily driving?

The aerospace-grade PA66 composite frame with 30% glass fibre is engineered to resist harmonic distortion rather than generate heat; the speaker handles continuous operation without thermal concerns because it has no active electronics.

What amplifier power range is required to drive the 2-way coaxial design with the 1-inch magnesium dome tweeter?

The 2-way coaxial speakers use a lightweight aerated pop paper cone with Mica blend and a 1-inch magnesium dome tweeter; they are designed to work with standard car audio amplifiers and factory head units for immediate sound.

Will the removable phase lens on the WideSphere tweeter housing fit behind the original grilles on a 6x8-inch factory opening?

The tunable waveguide tweeter housing includes a removable phase lens and off-axis dispersion pattern; MB Quart engineers design each speaker for a precise fit in 6x8-inch factory openings whether upgrading or doing a full custom installation.

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