Description
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Infinity Kappa 683XF
The Infinity Kappa 683XF is a premium 6″×8″ 2-way coaxial car speaker designed to deliver powerful, high-resolution sound with exceptional clarity and efficiency. It features Infinity’s Plus One™ glass fiber woofer cone, which provides deeper bass and improved output, paired with an edge-driven silk dome tweeter capable of delivering crisp highs up to 40kHz. With a 3-ohm impedance and high 93dB sensitivity, it ensures louder performance even with factory head units. The speaker also includes adjustable tweeter output levels (0dB / -3dB), a UniPivot angled tweeter for better sound staging, and 3-way upgradability for future system expansion, making it an ideal choice for upgrading your car audio system with strong bass, clear mids, and detailed highs.
Specifications
| General Specifications | Details |
|---|---|
| Power Handling | 100W RMS, 300W Peak |
| Sensitivity (@ 2.83V) | 93 dB |
| Frequency Response | 40Hz – 40kHz |
| Impedance | 3.0 Ohms |
About The Product
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.

























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