# JL Audio C3-650 vs Alpine R2-S65: specs and price compared

A sourced, side-by-side comparison of the JL Audio C3-650 (JL Audio) and Alpine R2-S65 (Alpine) among car speakers. Alpine R2-S65 is the cheaper of the two at $329.95.

## Side by side

| Spec | JL Audio C3-650 | Alpine R2-S65 |
| --- | --- | --- |
| US price | $499.99 | $329.95 |
| Brand | JL Audio | Alpine |
| Released | — | 2022 |
| Speaker type | component | coaxial |
| Configuration | 2-way | 2-way |
| Size inches | 6.5 | 6.5 |
| Power rms watts | 75 | 100 |
| Power peak watts | — | 300 |
| Sensitivity (dB) | 90 | 88 |
| Impedance ohms | 4 | 4 |
| Frequency response (Hz) | 48-25000 | 65-40000 |
| Mounting depth (in) | 2.55 | — |
| Woofer material | mineral-filled polypropylene | glass-fiber |
| Tweeter material | silk | magnesium |
| Crossover included | Yes | No |

## Key differences

- Speaker type: JL Audio C3-650 component vs Alpine R2-S65 coaxial
- Power rms watts: JL Audio C3-650 75 vs Alpine R2-S65 100
- Sensitivity (dB): JL Audio C3-650 90 vs Alpine R2-S65 88
- Frequency response (Hz): JL Audio C3-650 48-25000 vs Alpine R2-S65 65-40000
- Woofer material: JL Audio C3-650 mineral-filled polypropylene vs Alpine R2-S65 glass-fiber
- Tweeter material: JL Audio C3-650 silk vs Alpine R2-S65 magnesium
- Crossover included: JL Audio C3-650 Yes vs Alpine R2-S65 No

## Sources

- JL Audio C3-650: https://ph.garmin.com/products/audio/jl-c3-650/ (ph.garmin.com, verified 2026-07-13)
- Alpine R2-S65: https://www.alpine-usa.com/product/r-series-speakers-r2s65 (alpine-usa.com, verified 2026-07-13)

Canonical: https://frontdeskreview.com/gear/car-speakers/jl-audio-c3-650-vs-alpine-r2-s65/
Cite: Per The Front Desk Review, JL Audio C3-650 ($499.99) vs Alpine R2-S65 ($329.95) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/car-speakers/jl-audio-c3-650-vs-alpine-r2-s65/
License: CC BY 4.0.