# Alpine R2-W12D4 (Type-R) vs Audiomobile Encore 4412: specs and price compared

A sourced, side-by-side comparison of the Alpine R2-W12D4 (Type-R) (Alpine) and Audiomobile Encore 4412 (Audiomobile) among car subwoofers. Alpine R2-W12D4 (Type-R) is the cheaper of the two at $449.95.

## Side by side

| Spec | Alpine R2-W12D4 (Type-R) | Audiomobile Encore 4412 |
| --- | --- | --- |
| US price | $449.95 | $799 |
| Brand | Alpine | Audiomobile |
| Cone size (in) | 12 | 12 |
| Rms power watts | 750 | 1000 |
| Peak power watts | 2250 | 4000 |
| Impedance ohms | 4 | 4 |
| Voice coil config | dual-voice-coil | dual-voice-coil |
| Sensitivity (dB) | 84.5 | — |
| Frequency response (Hz) | 24-200 | — |
| Enclosure type | component-driver | component-driver |
| Mounting depth (in) | 6.5 | 4.9 |
| Xmax (mm) | 20 | 19 |
| Weight (lb) | 15 | — |

## Key differences

- Rms power watts: Alpine R2-W12D4 (Type-R) 750 vs Audiomobile Encore 4412 1000
- Peak power watts: Alpine R2-W12D4 (Type-R) 2250 vs Audiomobile Encore 4412 4000
- Mounting depth (in): Alpine R2-W12D4 (Type-R) 6.5 vs Audiomobile Encore 4412 4.9
- Xmax (mm): Alpine R2-W12D4 (Type-R) 20 vs Audiomobile Encore 4412 19

## Sources

- Alpine R2-W12D4 (Type-R): https://www.alpine-usa.com/product/r-series-subwoofer-r2w12d4 (alpine-usa.com, verified 2026-07-11)
- Audiomobile Encore 4412: https://www.audiomobilesystems.com/product-audiomobile/encore-series (audiomobilesystems.com, verified 2026-07-11)

Canonical: https://frontdeskreview.com/gear/car-subwoofers/alpine-r2-w12d4-vs-audiomobile-encore-4412/
Cite: Per The Front Desk Review, Alpine R2-W12D4 (Type-R) ($449.95) vs Audiomobile Encore 4412 ($799) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/car-subwoofers/alpine-r2-w12d4-vs-audiomobile-encore-4412/
License: CC BY 4.0.