Your entry to high-res audio. Alpine’s R2-S65 6-1/2″ 2-way coaxial speakers deliver exceptional audio performance for enthusiasts interested in high-resolution audio playback. Using technology developed for their flagship F#1 Status Series, these Next-Generation R-Series speakers reproduce music with remarkable detail and authenticity while maintaining Alpine’s signature “loud and fun” sound character.
These premium speakers combine 6-1/2″ glass-fiber woofers with 1″ magnesium dome tweeters in a coaxial design that excels at reproducing the full range of musical details with minimal distortion, even at high volume levels. The R2-S65 offers an accessible entry point into high-resolution audio without sacrificing the engaging sound quality Alpine is known for.
Product Highlights
- Type: 6-1/2″ 2-way coaxial speakers (pair)
- Power Handling: 100 watts RMS (300 watts peak)
- Frequency Response: 65-40,000 Hz (high-resolution audio capable)
- Sensitivity: 88 dB at 1 watt/1 meter
- Impedance: 4 ohms
Key Features
- Premium Woofer Construction:
- Glass-fiber reinforced cone for lightweight rigidity
- High-Amplitude Multi-Roll (HAMR) rubber surround
- Rigid aluminum frame for minimal distortion
- Ferrite magnet with large motor structure for enhanced mid-bass
- High-Performance Tweeter:
- 1″ magnesium hard dome design
- Coaxially mounted for consistent sound field
- Flexible Installation:
- Includes adapter rings for various applications
- Protective grilles included
Package Contents
- Two 6-1/2″ coaxial speakers
- Two multi-purpose adapter rings (compatible with GM/Chrysler)
- Two protective grilles
- Mounting hardware (screws and speed clips)
- Installation documentation
Performance & Power
- Power Handling: 100 watts RMS (300 watts peak)
- Frequency Response: 65-40,000 Hz
- Sensitivity: 88 dB (1W at 1 meter)
- Impedance: 4 ohms
Physical Dimensions
- Frame Diameter: 6.497 inches
- Cutout Diameter: 5-3/8 inches
- Mounting Depth: 2-1/2 inches
- Mounting Height: 0.667 inches
Materials & Construction
- Woofer:
- Cone Material: Glass-fiber reinforced composite
- Surround: HAMR (High-Amplitude Multi-Roll) rubber
- Frame: Rigid aluminum
- Magnet: Ferrite with large motor structure
- Features: Optimized for minimal distortion and enhanced mid-bass response
- Tweeter:
- Design: 1″ hard dome
- Material: Magnesium
- Mounting: Coaxial (integrated with woofer)
- Features: Delivers detailed high-frequency reproduction
Installation Options
- Standard Installation: Fits many 6-3/4″ applications without adapters
- With Included Adapters:
- 6-1/2″ applications
- 6-3/4″ applications
- GM/Chrysler specific applications
- Included Accessories:
- Protective grilles with metal mesh and plastic frame
- Eight 1-1/8″ mounting screws
- Eight M4x12mm machine screws
- Eight speed clips
Size Note
- Alpine markets these as 6-1/2″ speakers, though their larger-than-standard cutout requirements (5-3/8″) means they may be classified as 6-3/4″ speakers in some contexts
- Vehicle compatibility should be confirmed before purchase