Alpine
Alpine R2-S65
$329.95
Released 2022
Best Car Speakers · head-to-head
Alpine R2-S65 vs Infinity Reference 6532ex
A sourced, side-by-side comparison. Infinity Reference 6532ex is cheaper at $109.95. Every spec and price links to its source.
Infinity
Infinity Reference 6532ex
$109.95Cheaper
Which is better: the Alpine R2-S65 or Infinity Reference 6532ex?
On the specs we track, they're closely matched. The Infinity Reference 6532ex is the cheaper at $109.95.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Alpine R2-S65 | Infinity Reference 6532ex |
|---|---|---|
| US price | $329.95 | $109.95 |
| Brand | Alpine | Infinity |
| Released | 2022 | — |
| Speaker type | coaxial | coaxial |
| Configuration | 2-way | 2-way |
| Size inches | 6.5 | 6.5 |
| Power rms watts | 100 | 55 |
| Power peak watts | 300 | 165 |
| Sensitivity (dB) | 88 | 93 |
| Impedance ohms | 4 | 3 |
| Frequency response (Hz) | 65-40000 | 57-21000 |
| Mounting depth (in) | — | — |
| Woofer material | glass-fiber | — |
| Tweeter material | magnesium | textile |
| Crossover included | No | No |
Sources — Alpine R2-S65: alpine-usa.com (verified 2026-07-13). Infinity Reference 6532ex: my.infinityspeakers.com (verified 2026-07-13).
What's the difference between the Alpine R2-S65 and Infinity Reference 6532ex?
Where the two actually differ on the specs we track (6 of 12). Matching specs are omitted.
- Power rms watts: Alpine R2-S65 100 vs Infinity Reference 6532ex 55
- Power peak watts: Alpine R2-S65 300 vs Infinity Reference 6532ex 165
- Sensitivity (dB): Alpine R2-S65 88 vs Infinity Reference 6532ex 93
- Impedance ohms: Alpine R2-S65 4 vs Infinity Reference 6532ex 3
- Frequency response (Hz): Alpine R2-S65 65-40000 vs Infinity Reference 6532ex 57-21000
- Tweeter material: Alpine R2-S65 magnesium vs Infinity Reference 6532ex textile