# JL Audio 12W7AE-3 vs Alpine R2-W12D4 (Type-R): specs and price compared

A sourced, side-by-side comparison of the JL Audio 12W7AE-3 (JL Audio) and Alpine R2-W12D4 (Type-R) (Alpine) among car subwoofers. Alpine R2-W12D4 (Type-R) is the cheaper of the two at $449.95.

## Side by side

| Spec | JL Audio 12W7AE-3 | Alpine R2-W12D4 (Type-R) |
| --- | --- | --- |
| US price | $1449.99 | $449.95 |
| Brand | JL Audio | Alpine |
| Cone size (in) | 12 | 12 |
| Rms power watts | 1000 | 750 |
| Peak power watts | — | 2250 |
| Impedance ohms | 3 | 4 |
| Voice coil config | single-voice-coil | dual-voice-coil |
| Sensitivity (dB) | 86.2 | 84.5 |
| Frequency response (Hz) | — | 24-200 |
| Enclosure type | component-driver | component-driver |
| Mounting depth (in) | 9.5 | 6.5 |
| Xmax (mm) | 29 | 20 |
| Weight (lb) | 45 | 15 |

## Key differences

- Rms power watts: JL Audio 12W7AE-3 1000 vs Alpine R2-W12D4 (Type-R) 750
- Impedance ohms: JL Audio 12W7AE-3 3 vs Alpine R2-W12D4 (Type-R) 4
- Voice coil config: JL Audio 12W7AE-3 single-voice-coil vs Alpine R2-W12D4 (Type-R) dual-voice-coil
- Sensitivity (dB): JL Audio 12W7AE-3 86.2 vs Alpine R2-W12D4 (Type-R) 84.5
- Mounting depth (in): JL Audio 12W7AE-3 9.5 vs Alpine R2-W12D4 (Type-R) 6.5
- Xmax (mm): JL Audio 12W7AE-3 29 vs Alpine R2-W12D4 (Type-R) 20
- Weight (lb): JL Audio 12W7AE-3 45 vs Alpine R2-W12D4 (Type-R) 15

## Sources

- JL Audio 12W7AE-3: https://www.classiccarstereos.com/jl-audio-12w7ae-3-w7-12-inch-subwoofer-3-ohm.html (classiccarstereos.com, verified 2026-07-11)
- Alpine R2-W12D4 (Type-R): https://www.alpine-usa.com/product/r-series-subwoofer-r2w12d4 (alpine-usa.com, verified 2026-07-11)

Canonical: https://frontdeskreview.com/gear/car-subwoofers/jl-audio-12w7ae-3-vs-alpine-r2-w12d4/
Cite: Per The Front Desk Review, JL Audio 12W7AE-3 ($1449.99) vs Alpine R2-W12D4 (Type-R) ($449.95) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/car-subwoofers/jl-audio-12w7ae-3-vs-alpine-r2-w12d4/
License: CC BY 4.0.