Alpine R2-S65C Next Gen R-Series 6.5" 100W RMS (300W Peak Power Handling) 4 Ohms, 2-Way Car Component System with Two Magnesium Hard-Dome Tweeters and Two Premium-Grade In-Line Crossover Networks
We are a Alpine authorized dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!
What's Inside?
- • (2) Woofers
- • (2) multi-purpose adapter rings (includes GM/Chrysler)
- • (2) 6x8 Adapter rings
- • (2) Woofer grilles
- • (2) Tweeters (each has an attached 30" length of wire terminated with quick slides)
- • (2) Tweeter crossovers (each has attached input and output wires)
- • (2) Tweeter grilles (installed)
- • (2) Flush mount housings (with tweeters installed)
- • (2) Flush mount retention rings
- • (2) Angled surface mount housings
- • (2) Stealth (factory location) brackets
- • (2) Round self-adhesive pads
- • (2) Rectangular self-adhesive pads
- • (8) 1-1/8" Screws
- • (4) 5/8" Screws
- • (8) 1/2" Screws
- • (8) Large speed-clips
- • (4) Small speed-clips
- • (8) M4x12mm Machine screws
- • (4) 5" Zip ties
- • Warranty information
- • On-line product registration information
- • Important Notice
- • Template and specs on box
- • Owner's Manual
Why Choose Alpine R2-S65C Component System?
Elite R-Series Technology for Factory Speaker Upgrades
The Alpine R2-S65C brings next-generation R-Series engineering into a compact 6.5 inch component speaker system. Inspired by Alpine’s flagship F#1Status technology, these speakers deliver precise sound reproduction, high efficiency, and improved dynamic range.
- • Ideal for factory speaker upgrade 6.5 inch systems
- • Perfect for car speaker upgrade without subwoofer
- • Hi-Res Audio certified performance up to 40kHz
Clearer Sound, Stronger Midbass, Less Distortion
Engineered for daily driving performance, delivering improved clarity, wider soundstage, and reduced distortion compared to stock factory speakers. These high output component car speakers are ideal for users who want premium sound without a full system overhaul.
Easy Installation & Factory Fitment Flexibility
The Alpine R2-S65C is designed for straightforward installation into most OEM 6.5” speaker locations. With included adapter rings and flexible mounting options, it supports both factory and custom installations.
- • Compatible with most OEM 6.5” speaker locations
- • Works with factory or aftermarket amplifiers
- • Recommended HPF: 70Hz–80Hz
- • Optional amplifier recommended for best performance
Alpine 6.5-Inch Component Speaker Comparison Chart | R2-S65C vs S2-S65C vs BRV-S65C vs R2-S652
| Ultimate Alpine 6.5" Audio Performance Battle |
Alpine R2-S65C
Next Gen R-Series 6.5" 300W Peak Power Handling 4 Ohms, 2-Way Car Component Speaker System
BEST OF 2026
- • 6.5" Car Speaker
- • 300W Peak Power/100W RMS
- • 2-Way
- • Cone Woofers
- • Magnesium Tweeters
- • Glass-Fiber
- • Premium Crossovers Included
|
Alpine S2-S65C
Next Gen S-Series 6.5" 240W Peak Power Handling 4 Ohms, 2-Way Car Component Speaker System
TOP SELLER
- • 6.5" Car Speaker
- • 240W Peak Power/80W RMS
- • 2-Way
- • Cone Woofers
- • Cloth Tweeters
- • Polypropylene/Glass Fiber/Mica
- • High-Res Audio
|
Alpine BRV-S65C
BASSREV Series 6.5" 150W Peak Power Handling at 4-Ohms, 2-Way Car Component Speaker System
VALUE PICK
- • 6.5" Car Speaker
- • 150W Peak Power/50W RMS
- • 2-Way
- • Cone Woofers
- • Cloth Tweeters
- • Polypropylene/Mica
- • Optimized for Alpine OPTIM8
|
Alpine R2-S652
Next-Gen Pro R-Series 6.5" 300W Peak Power Handling 4 Ohms, 2-Way Car Component Speaker System
HIGH OUTPUT
- • 6.5" Car Speaker
- • 300W Peak Power/100W RMS
- • 2-Way
- • Cone Woofers
- • Magnesium Tweeters
- • Glass-Fiber
- • Premium Crossovers Included
|
Alpine R2-S65C Highlights
HI-RES AUDIO
Hi-Res Audio Certified
Delivers an extended 65Hz–40kHz frequency response for detailed highs, natural mids and a more complete listening experience.
GLASS FIBER CONE
Rigid Glass Fiber-Reinforced Cone
The lightweight, rigid glass fiber-reinforced cone supports high excursion and low distortion for accurate, clean sound reproduction.
H.A.M.R. SURROUND
High-Amplitude Multi-Roll Surround
Alpine H.A.M.R. surround technology increases cone excursion while maintaining linearity for powerful and controlled music reproduction.
MAGNESIUM TWEETER
1-Inch Magnesium Hard-Dome Tweeters
Premium magnesium hard-dome tweeters deliver crisp, detailed highs with a swivel-mount design for flexible listening-position adjustment.
PREMIUM CROSSOVERS
Premium In-Line Crossover Networks
Two premium-grade in-line crossover networks help properly divide frequencies between the mid-bass speakers and component tweeters.
POWER HANDLING
100W RMS / 300W Peak
Handles 100 watts RMS and 300 watts peak power, making the R2-S65C well suited for a quality external amplifier.
2-WAY COMPONENT
Complete 6.5-Inch Component System
Includes a pair of 6.5-inch mid-bass speakers, 1-inch component tweeters, crossover networks, grilles and mounting hardware for a complete front-stage upgrade.
Alpine R2-S65C Recommended Amplifiers | Best 4-Channel Amp Pairings for High-Performance R-Series Sound
Build Your Alpine R2-S65C System
Recommended 4-channel amplifiers for clean power, stronger dynamics, improved control and maximum performance from the Alpine R2-S65C component speakers
Amplifier Matching Overview
R2-S65C Power Rating: 100W RMS per speaker
Ideal Amp Range: 75W – 100W RMS per channel @ 4Ω
Recommended Amplifier: High-quality 4-channel Class-D or Class-AB amplifier
Primary Goal: Deliver clean power, strong midbass control and improved component-speaker dynamics
Best Overall R-Series Match
A natural match for the R2-S65C, delivering 100W RMS x 4 at 4Ω for powerful, clean amplification and excellent system synergy with R-Series component speakers.
Best Compact Premium Option
Provides 75W RMS x 4 at 4Ω, giving the R2-S65C clean power and excellent control while maintaining a compact installation-friendly design.
Best Value 4-Channel Option
Offers dependable multi-channel amplification and a practical upgrade path for R2-S65C systems while providing clean everyday performance.
Best Sound-Quality Option
Delivers 75W RMS x 4 at 4Ω, providing an excellent balance of power, clarity and control for the Alpine R2-S65C.
Recommended R2-S65C Amplifier Settings
Speaker RMS Rating: 100W RMS per speaker
Recommended Power: 75W – 100W RMS per channel @ 4Ω
Minimum Usable Power: Around 50W RMS per channel
Gain Setting: Set gain carefully to provide clean output without clipping or excessive speaker stress
Amplifier Type: High-quality 4-channel Class-D or Class-AB amplifier
Pro Tip: For the best overall match, pair the Alpine R2-S65C with the Alpine R2-A60F. Its 100W RMS x 4 output at 4Ω closely matches the R2-S65C's power rating, providing the clean power and control needed to get the most from these high-performance component speakers.
Frequently Asked Questions (FAQ)
- • Why do my Alpine R2-S65C speakers sound weak after installation?
This is usually caused by underpowered factory head units or poor door sealing, and it can be fixed by adding amplifier power and sealing the speaker properly.
- • Why do my Alpine R2-S65C speakers distort when I turn up the volume?
Distortion is typically caused by incorrect amplifier gain or missing high-pass filters, and it can be fixed by setting proper gain levels and filtering bass frequencies below 70Hz.
- • Why are my Alpine R2-S65C speakers not loud enough?
Low volume is usually due to insufficient amplifier power, and upgrading to a 50–100W RMS amplifier will significantly improve loudness and clarity.
- • Why does my Alpine R2-S65C have no bass after installation?
Lack of bass is often caused by air leaks or improper mounting, and it can be fixed by sealing the speaker and ensuring correct installation depth and fitment.
- • Why don’t my Alpine R2-S65C speakers fit my car properly?
Fitment issues usually occur when factory mounting depth differs, and they can be solved using spacer rings or vehicle-specific adapter brackets.
- • Why do my Alpine R2-S65C speakers sound harsh or bright?
Harsh sound is often caused by EQ settings or lack of break-in time, and it can be improved by adjusting treble levels and allowing proper break-in.
- • Why is one Alpine R2-S65C speaker louder than the other?
This is usually caused by wiring polarity or balance settings, and it can be fixed by checking wiring and adjusting fade/balance controls.
- • How do I get the best sound quality from Alpine R2-S65C speakers?
Best results come from using a clean amplifier, proper door sealing, correct crossover settings, and avoiding excessive bass boost.
Alpine R2-S65C Videos & Reviews
← Swipe left or right to browse videos →
- Diameter : 6.5 Inch
- Sensitivity : 88 dB
- Frequency Response : 65-40000 Hz
- Peak Power Handling : 300 Watts
- Woofer Composition : Glass Fiber
- Tweeter Composition : Magnesium
- RMS Power Handling : 100 Watts
Features:
- Hi-Res Audio Certified: Delivers exceptional clarity for high-resolution music playback.
- Glass Fiber Reinforced Cone: Provides strength and responsiveness for accurate sound performance.
- Ferrite Magnet Structure: Offers reliable magnetic power for consistent audio output.
- High-Amplitude Multi-Roll (H.A.M.R.) Surround: Allows extended cone excursion for deep, distortion-free bass.
- 2 Premium-Grade Crossover Networks: Ensures precise frequency separation for a balanced sound.
- Magnesium Hard-Dome Tweeters: Features a swivel mount design and threaded removable housing for flexible installation.
- Protective Open Mesh Grilles: Included to safeguard components while maintaining a stylish look.
Specifications:
- Series: R-Series
- Priced Per: Pair
- System Design: 2-Way Component System
- Speaker Size: 6.5 inches (6-1/2")
- Number of Speakers: 2 Woofers + 2 Tweeters
- Hi-Res Audio Certified: Yes
- Shallow Mount Installation: Yes
- Design: Cone
- Material: Glass-Fiber Reinforced
- Surround: High-Amplitude Multi-Roll (H.A.M.R.) Rubber
- Magnet Type: Ferrite
- Top-Mount Depth: 2.48 inches
- Cutout Diameter: 5.31 inches
- Frame Dimensions (W x L): 6.48 x 6.48 inches
- Design: Hard Dome
- Size: 1 inch
- Material: Magnesium
- Mounting Features: Swivel Mount with Threaded Removable Housing
- Peak Power (Per Speaker): 300 Watts
- RMS Power (Per Speaker): 100 Watts
- RMS Power (Per Pair/Set): 200 Watts
- Sensitivity (1W at 1 Meter): 88 dB
- Frequency Response: 65 Hz – 40,000 Hz
- Impedance: 4 Ohms
- Crossover Networks: 2 Premium-Grade In-Line Included
- Grilles: Protective Open Mesh (Black, Steel Mesh, Plastic Frame)
- Weather-Resistant: No
- UPC: 793276084866
- Weight: 7
- Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for repair within 1 year from the original date of purchase with proper return authorization.
Do you own this product?
Write a review!
-
I was looking to upgrade my stocks with Focal but the one that I liked was out of the stock when I saw this set on site at a much cheaper price. It really piqued my interest, as I also had some nice history with Alpine. I ordered it and arrived on early date. Installed on my Tundra, and now the sound you’ll hear in my truck is so much better than before.
-
Very awesome speakers from Alpine. Its installation was easy on my 4Runner and its really night and day from the speakers that I replaced them from. Sound is so much different in a good way, however its a little bit expensive for some people. But I did not hesitate to splash more money for better audio quality.
-
Incredibly detailed sound with bright, clear highs and great mids, though mid-bass is a bit lacking. A bit on the pricey side too.
