Alpine
Alpine R2-S65
$329.95
Released 2022
Best Car Speakers · head-to-head
Alpine R2-S65 vs JBL Stage3 627
A sourced, side-by-side comparison. Alpine R2-S65 is cheaper at $329.95. Every spec and price links to its source.
JBL
JBL Stage3 627
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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 | JBL Stage3 627 |
|---|---|---|
| US price | $329.95 | — |
| Brand | Alpine | JBL |
| Released | 2022 | — |
| Speaker type | coaxial | coaxial |
| Configuration | 2-way | 2-way |
| Size inches | 6.5 | — |
| Power rms watts | 100 | 45 |
| Power peak watts | 300 | 225 |
| Sensitivity (dB) | 88 | 92 |
| Impedance ohms | 4 | 3 |
| Frequency response (Hz) | 65-40000 | 55-20000 |
| Mounting depth (in) | — | — |
| Woofer material | glass-fiber | polypropylene |
| Tweeter material | magnesium | — |
| Crossover included | No | — |
Sources — Alpine R2-S65: alpine-usa.com (verified 2026-07-13). JBL Stage3 627: jbl.com (verified 2026-07-13).
What's the difference between the Alpine R2-S65 and JBL Stage3 627?
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 JBL Stage3 627 45
- Power peak watts: Alpine R2-S65 300 vs JBL Stage3 627 225
- Sensitivity (dB): Alpine R2-S65 88 vs JBL Stage3 627 92
- Impedance ohms: Alpine R2-S65 4 vs JBL Stage3 627 3
- Frequency response (Hz): Alpine R2-S65 65-40000 vs JBL Stage3 627 55-20000
- Woofer material: Alpine R2-S65 glass-fiber vs JBL Stage3 627 polypropylene