# Kicker Solo-Baric L7S 44L7S124 vs Alpine R2-W12D4 (Type-R): specs and price compared

A sourced, side-by-side comparison of the Kicker Solo-Baric L7S 44L7S124 (Kicker) and Alpine R2-W12D4 (Type-R) (Alpine) among car subwoofers. Kicker Solo-Baric L7S 44L7S124 is the cheaper of the two at $379.99.

## Side by side

| Spec | Kicker Solo-Baric L7S 44L7S124 | Alpine R2-W12D4 (Type-R) |
| --- | --- | --- |
| US price | $379.99 | $449.95 |
| Brand | Kicker | Alpine |
| Cone size (in) | 12 | 12 |
| Rms power watts | 750 | 750 |
| Peak power watts | 1500 | 2250 |
| Impedance ohms | 4 | 4 |
| Voice coil config | dual-voice-coil | dual-voice-coil |
| Sensitivity (dB) | 88.6 | 84.5 |
| Frequency response (Hz) | 20-100 | 24-200 |
| Enclosure type | component-driver | component-driver |
| Mounting depth (in) | 6.6875 | 6.5 |
| Xmax (mm) | 19.25 | 20 |
| Weight (lb) | — | 15 |

## Key differences

- Peak power watts: Kicker Solo-Baric L7S 44L7S124 1500 vs Alpine R2-W12D4 (Type-R) 2250
- Sensitivity (dB): Kicker Solo-Baric L7S 44L7S124 88.6 vs Alpine R2-W12D4 (Type-R) 84.5
- Frequency response (Hz): Kicker Solo-Baric L7S 44L7S124 20-100 vs Alpine R2-W12D4 (Type-R) 24-200
- Mounting depth (in): Kicker Solo-Baric L7S 44L7S124 6.6875 vs Alpine R2-W12D4 (Type-R) 6.5
- Xmax (mm): Kicker Solo-Baric L7S 44L7S124 19.25 vs Alpine R2-W12D4 (Type-R) 20

## Sources

- Kicker Solo-Baric L7S 44L7S124: https://www.kicker.com/solo-baric-l7s-12-4-ohm-subwoofer (kicker.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/kicker-solo-baric-l7s-44l7s124-vs-alpine-r2-w12d4/
Cite: Per The Front Desk Review, Kicker Solo-Baric L7S 44L7S124 ($379.99) vs Alpine R2-W12D4 (Type-R) ($449.95) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/car-subwoofers/kicker-solo-baric-l7s-44l7s124-vs-alpine-r2-w12d4/
License: CC BY 4.0.