Alpine R2-W12D2 R-Series 12 inch Subwoofer Dual 2 Ohm: a 12-inch subwoofer rated 750 watts RMS, offered in 1 ohm, 2 ohm, 4 ohms or dual 2 ohm.
Published parameters: Qts 0.41. Vas and Qts set the enclosure volume this driver wants; Xmax sets how much air it can move before the suspension runs out.
The manufacturer recommends 0.75 cubic feet sealed or 1.56 cubic feet ported. We cut enclosures to those figures; ask if you want this driver boxed.
RMS is the figure to buy an amplifier against. Peak ratings are marketing; the coil impedance decides what the amp actually delivers.
Questions on fit or matching? Call or text (775) 541-2950 with your vehicle and the gear you are running.
Listed specifications
- Alpine R2-W12D2 12 Inch Subwoofer
- 750W RMS 20 mm Xmax Sealed or Ported Dual 2 Ohm
- Wiring the Dual 2 Ohm Coils
- Two woofers: wire each in series to 4 ohms and parallel the pair for a 2 ohm load.
- Qtc 0.65, F3 43 Hz
- Tuned 33 to 37 Hz
- Tuned 36 Hz, F3 29 Hz
- Sealed 12 inch wedge , 0.75 cubic feet net, Alpine's recommended sealed volume.
- Sealed dual 12 inch wedge for a pair, 0.75 cubic feet net per chamber.
- Ported 12 inch wedge , 1.56 cubic feet net tuned to 35.5 Hz.











