MB Quart PK1-168 Premium 5x7"/6x8" 2-Way Coaxial Speakers – 220 Watts
Upgrade your factory audio system with the MB Quart PK1-168 Premium 5x7"/6x8" 2-Way Coaxial Speakers. Designed as a versatile OEM-fit replacement, these speakers fit many 5x7-inch and 6x8-inch factory locations while delivering premium sound quality, improved clarity, and enhanced midbass performance.
The PK1-168 features MB Quart’s 1-inch Magnesium WideSphere™ tweeter technology combined with a pop aerated paper cone with mica blend. This combination provides smooth high-frequency response, improved sound dispersion, and accurate reproduction of vocals and instruments.
Built for dependable automotive performance, these speakers include a reinforced PA66 composite frame with 30% glass fiber, high-temperature voice coil components, a woven fiber spider, butyl rubber surrounds, and corrosion-resistant stainless steel connectors. The integrated premium crossover network helps deliver balanced full-range audio from the woofer and tweeter.
Features
- Premium Series 5x7"/6x8" 2-way coaxial speakers
- 220 watts peak power handling per pair
- 110 watts peak power handling per speaker
- 55 watts RMS power handling per speaker
- 1" Magnesium WideSphere™ tweeters
- Tunable waveguide tweeter housing
- Removable tweeter phase lens
- Pop aerated paper cone with mica blend
- Curvilinear cone geometry for improved midrange response
- Butyl rubber speaker surrounds
- Built-in audiophile-grade coaxial crossover
- High-temperature Kapton former voice coil assembly
- Aerospace-grade PA66 composite frame with 30% glass fiber
- Stainless steel push-and-insert connectors
- Designed for 5x7" and 6x8" mounting locations
Specifications
- Product Type: Mobile Coaxial Speakers
- Series: Premium
- Speaker Size: 5x7"/6x8"
- Configuration: 2-Way Coaxial
- Impedance: 4 Ohms
- RMS Power Handling:
- 55 Watts per Speaker
- 110 Watts Per Pair
- Peak Power Handling:
- 110 Watts per Speaker
- 220 Watts Per Pair
- Frequency Response: 48Hz–22kHz
- Sensitivity: 88.5dB
- Tweeter Size: 1"
- Tweeter Material: Magnesium Dome
- Woofer Cone Material: Aerated Paper with Mica Blend
- Surround Material: Butyl Rubber
- Crossover Slope: 6dB/Octave
- Mounting Cutout: 7.14" x 5"
- Outside Diameter: 8.74" x 5.51"
- Mounting Depth: 2.55"
- Color: Black
- Warranty: 1 Year
Design Features
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WideSphere™ tweeter technology improves off-axis dispersion for a wider soundstage.
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Mica-blended paper cone construction provides strength while maintaining natural musical response.
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Curvilinear cone design improves upper midrange performance for vocals and acoustic instruments.
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Ventilated speaker frame design helps cool the voice coil during extended playback.
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Composite reinforced frame construction reduces unwanted resonance and distortion.
In the Box
- Two MB Quart PK1-168 coaxial speakers
- Mounting hardware
- Speaker connection accessories
- Installation documentation
Compatible Applications
- Cars
- Trucks
- SUVs
- Vans
- Factory 5x7" speaker locations
- Factory 6x8" speaker locations
- Aftermarket mobile audio systems
Applications
- Replace factory 5x7"/6x8" speakers with premium drivers
- Improve clarity and detail in OEM audio systems
- Add stronger midbass response without custom fabrication
- Pair with MB Quart amplifiers for increased output
- Build a balanced front or rear speaker upgrade system
