# Alpine R2-S65 vs Infinity Reference 6532ex: specs and price compared

A sourced, side-by-side comparison of the Alpine R2-S65 (Alpine) and Infinity Reference 6532ex (Infinity) among car speakers. Infinity Reference 6532ex is the cheaper of the two at $109.95.

## Side by side

| 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 |

## Key differences

- 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

## Sources

- Alpine R2-S65: https://www.alpine-usa.com/product/r-series-speakers-r2s65 (alpine-usa.com, verified 2026-07-13)
- Infinity Reference 6532ex: https://my.infinityspeakers.com/REFERENCE+6532EX.html (my.infinityspeakers.com, verified 2026-07-13)

Canonical: https://frontdeskreview.com/gear/car-speakers/alpine-r2-s65-vs-infinity-reference-6532ex/
Cite: Per The Front Desk Review, Alpine R2-S65 ($329.95) vs Infinity Reference 6532ex ($109.95) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/car-speakers/alpine-r2-s65-vs-infinity-reference-6532ex/
License: CC BY 4.0.