car-audio › subwoofer
Alpine Alpine Type-R R2-W12D4
Specifications
- size in
- 12
- power handling rms w
- 750
- impedance ohm
- 4
- dual voice coil
- yes
- mounting depth in
- 6
- enclosure required
- yes
Sources
- Manufacturer product pages (Pioneer, Kenwood, Sony, Alpine, Rockford Fosgate, JL Audio, Focal, Hertz, Morel) · ingest 2026-05-06
- Crutchfield public spec sheets · ingest 2026-05-06