Audison TH 6.5 II vs Alpine R2-S65C: Comparison
By Car Audio and Tint | Car Toys | Washington, Texas, Colorado ... | Published: 2026-10-26
Category: Comparisons
Compare the Audison TH 6.5 II SAX and Alpine R2-S65C R Series 6.5 component speakers. Learn the key differences in sound quality, features, and price to choose the best upgrade for your car audio system.
Quick answer
If you demand the highest possible fidelity with no budget limit, choose the Audison TH 6.5 II SAX. For a fun, Hi-Res certified upgrade at a fraction of the price, the Alpine R2-S65C R Series is the smarter buy.
Why compare these two?
Both are 6.5" component speakers, but they target very different buyers. The Audison TH 6.5 II SAX is a flagship midrange woofer from a legendary Italian brand, engineered for absolute precision. The Alpine R2-S65C is a next-generation R-Series set that brings Hi-Res Audio certification to a much more accessible price point. Knowing which one fits your system and budget is the key to a satisfying upgrade.
Key trade-offs
- Sound quality vs. value: The Audison TH 6.5 II SAX delivers reference-level clarity and transparency, but costs $1499.99. The Alpine R2-S65C offers a lively, fun sound with Hi-Res certification for $239.97.
- Hi-Res Audio vs. ultimate precision: Alpine's R2-S65C is certified for high-resolution playback, ensuring you hear every detail in your digital files. The Audison TH 6.5 II SAX goes further, aiming for absolute acoustic transparency that exceeds standard Hi-Res requirements. If you have high-resolution source material, both will reveal it, but the Audison will do so with greater refinement.
- System integration effort: The Alpine R2-S65C is a complete component set with a tweeter and crossover, making installation straightforward. The Audison TH 6.5 II SAX is a dedicated midrange woofer, requiring you to separately source a tweeter and crossover, which adds complexity and cost. Plan your entire system before choosing the Audison; it's not a simple drop-in upgrade.
Product facts
- Alpine R2-S65C R Series 6.5" Component Speakers: The Alpine R2-S65C is Hi-Res Audio Certified and uses trickle-down technology from the AlpineF#1Status systems. This means you get high-resolution playback capability and design cues from Alpine's top-tier line without paying flagship prices.
Alpine R2-S65C R Series 6.5" Component Speakers - Audison TH 6.5 II SAX Thesis Series 6.5" Woofers: The Audison TH 6.5 II SAX is a masterpiece of acoustic engineering designed for extraordinary precision and transparency. It pushes sound performance beyond traditional limits, making it ideal for critical listening where every detail matters.
Audison TH 6.5 II SAX Thesis Series 6.5" Woofers
Which should you choose?
Best for
- Audiophiles building a no-compromise system where sound purity is the only goal
- Enthusiasts who already have high-end amplifiers, DSPs, and source components
Not for
- Budget-conscious shoppers looking for a complete, easy-to-install speaker upgrade
- Listeners who want a balanced, fun sound without the cost and complexity of a flagship build
