# Alpine R2-S65 vs JBL Stage3 627: specs and price compared

A sourced, side-by-side comparison of the Alpine R2-S65 (Alpine) and JBL Stage3 627 (JBL) among car speakers.

## Side by side

| Spec | Alpine R2-S65 | JBL Stage3 627 |
| --- | --- | --- |
| US price | $329.95 | not published |
| 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 | — |

## Key differences

- 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

## Sources

- Alpine R2-S65: https://www.alpine-usa.com/product/r-series-speakers-r2s65 (alpine-usa.com, verified 2026-07-13)
- JBL Stage3 627: https://www.jbl.com/car-speakers/STAGE3+627.html (jbl.com, verified 2026-07-13)

Canonical: https://frontdeskreview.com/gear/car-speakers/alpine-r2-s65-vs-jbl-stage3-627/
Cite: Per The Front Desk Review, Alpine R2-S65 ($329.95) vs JBL Stage3 627 (not published) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/car-speakers/alpine-r2-s65-vs-jbl-stage3-627/
License: CC BY 4.0.