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Infinity KAPPA 63XF 6-1/2" Coaxial Speaker Pair

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SKU : 63XF
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  • Plus One Glass fiber woofers
  • UniPivot Edge driven textile dome tweeters
  • True 4-ohm architecture

Infinity KAPPA 63XF 6-1/2" Coaxial Speaker Pair

Infinity Kappa Series speakers, available in all standard sizes, are designed to bring a new standard of excellence in car audio to virtually any vehicle. Kappa’s Plus One™ fiberglass woofers deliver high-output, deep and robust bass. The high-resolution 3/4" edge-driven textile dome tweeters deliver soaring highs up to 40kHz. 2" and 3" midranges are available to upgrade two-way component systems into three-way. The compact 3" midrange speakers also offer a perfect plug-and-play solution with low frequency response to 300Hz, and high sensitivity.


40kHz High-resolution Silk Dome Tweeter
Kappa edge-driven silk dome tweeters equipped with oversized voice coils deliver silky smooth highs with impressive thermal power handling and 40kHz high resolution.

Patented Plus One™ Glass Fiber Woofers
Infinity’s glassfiber woofer cones are lighter and stiffer with more cone-area than the competition, delivering increased low-frequency output and higher efficiency. Hearing is believing.

0dB or -3dB Tweeter Output Level Control
The push-button on the angled tweeter allows tweeter output level control of 0dB or -3dB to optimize system linearity based on installation location.

UniPivot and Angled Tweeter
For 5-1/4”, 6-1/2” and 6”x 8” coaxial models, the tweeters are angled and can be rotated 270° after installation on most models. This gives you imaging options and the ability to elevate the soundstage on low mounted speakers.

3-way Upgradability
Kappa 2-way component system crossovers are compact and equipped with 2-way and 3-way selections to accommodate a 2” or 3” midrange upgrade. The optional 2” or 3” midrange includes a bandpass crossover to upgrade a two-way system into a three-way system with perfect tonal balance.

Super Compact Design and High Sensitivity 3” Midrange Speaker
Kappa 3” midrange delivers low-frequency response to 300Hz while keeping high sensitivity over 89dB.The super compact design and premium performance allows the midrange to fit more vehicles without sacrificing any of your audio experience.

Sleek and Powerful Industry Design
The essence of form and function, Kappa tweeters are elegantly designed deliver a car audio experience as powerful as it is beautiful.

Slim and Smart Crossover Design
Kappa component systems all have very slim crossovers, which equipped with connection cable for easy installation. The push-button on crossover allows tweeter output level control of 0dB or -3dB to optimize system linearity based on installation location.

General Specifications

Power Handling: 85 Watts RMS, 255 Watts Peak
Sensitivity (@ 2.83V)93dB
Frequency Response: 45Hz – 40kHz
Impedance: 3.0 Ohms

Know What's In The Box
2x Speakers
2x Plastic multi-hole adapter rings
2x Foam gaskets
8x screws
8x speed clips
2x Infinity logo badges
2x brand stickers
Owner’s manual

More Information
Product Name Infinity KAPPA 63XF 6-1/2" Coaxial Speaker Pair
Manufacturer Infinity
Manufacturer Sku INFSPKKA63XFAM
Manufacturer's Warranty 3 Year Manufacture's Warranty
Manufacture's Warranty 2 3 Year Manufacture's Warranty
UPC 050667376956
Speaker Size 6 1/2"
Design Coaxial
Tweeter Composition Silk
Woofer Composition Glass Fiber
Woofer Surround Rubber
Sensitivity 93dB
Frequency Response 45 - 40k Hz
RMS Power Handling (watts) 76-100
Peak Power Handling (watts) 251-300
Crossover Internal
Cutout Diameter (in) 5 3/16"
Top-mount Depth (Inches) 2 1/8"
Water Resistant No