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Pair of 6.5 inch component speakers with tweeters, crossovers, grilles and foam fast rings

Alpine

Alpine R2-S652 6.5" Pro 2-Way Component Speaker Set with RKFR6 Fast Rings

SKU CH-0X1N-EXFD0

6.5-inch two-way component speakers with 100 W RMS power, 65 Hz–40 kHz response, 88 dB sensitivity and included fast-ring vibration dampers

  • TypeSpeaker
  • High-resolution audio up to 40 kHz for detailed sound reproduction
  • 100 W RMS power handling delivers strong, clean output
  • Magnesium hard-dome tweeters with flush or on-dash mounting flexibility
  • Glass-fiber reinforced woofers in die-cast aluminum baskets for rigid performance
  • RKFR6 Fast Rings reduce panel vibration and boost mid-bass response

Alpine R2-S652 Component Speaker Set

The Alpine R2-S652 is a 6.5-inch Pro Series 2-way component speaker system designed for car audio enthusiasts seeking high-resolution sound. The bundle adds RKFR6 Roadkill Fast Rings to reduce panel vibration and improve mid-bass response. A pry kit and Alpine coozy are also included for installation and storage.

Suited For And Not Suited For

This set suits drivers upgrading factory door speakers who want separate woofers and tweeters for better staging and detail. The included Fast Rings help seal the mounting surface for cleaner output. Builders needing coaxial simplicity or a shallow-mount solution under 63mm depth should look elsewhere as the woofers require that clearance.

Deciding Specification

Nominal impedance is 4 ohms and maximum RMS power handling is 100 watts per channel. Match your amplifier to these figures so the speakers receive clean power without risk of thermal damage. The 65Hz to 40kHz frequency response and 88dB sensitivity complete the electrical picture for system planning.

Highlights

  • High-resolution audio up to 40 kHz for detailed sound reproduction
  • 100 W RMS power handling delivers strong, clean output
  • Magnesium hard-dome tweeters with flush or on-dash mounting flexibility
  • Glass-fiber reinforced woofers in die-cast aluminum baskets for rigid performance
  • RKFR6 Fast Rings reduce panel vibration and boost mid-bass response

Specifications

TypeSpeaker

Questions about this item

How much heat or noise does the Alpine R2-S652 produce when running all day?

Passive speakers generate no electrical noise or measurable heat; only the amplifier they are connected to will dissipate power and possibly run warm.

What amplifier power and impedance match do I already need to drive the Alpine R2-S652?

An amplifier stable at 4 ohms delivering up to 100 W RMS per channel will match the 100 W RMS rating and 4 ohm nominal impedance.

Will the 65 Hz low-end of the Alpine R2-S652 integrate with the factory door speakers I plan to keep?

The 65 Hz lower limit means the component set handles mid-bass down to 65 Hz, so a factory system that crosses over higher will hand off cleanly.

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