PRORECK 412 D2 12 Inch Car Subwoofer
Dual 2 Ohm Car Audio Subwoofer | 400W RMS | 1200W Peak | 15.1mm Xmax
The PRORECK 412 D2 is a 12 inch car subwoofer designed for car audio systems that need deeper low-frequency extension, practical amplifier matching, and enclosure flexibility. This car audio subwoofer features a dual 2 ohm voice coil design, handles 400 watts RMS and 1200 watts peak, and is engineered for both sealed and ported enclosure applications.
If you are searching for car subwoofers, a subwoofer for car daily-driving systems, or a 12 inch car subwoofer for a stronger custom bass build, the 412 D2 offers a solid combination of output, installation-ready dimensions, and flexible system matching.
Important: this model is a passive dual voice coil subwoofer, not a powered subwoofer. Enclosure not included. An external amplifier is required.
Key Features
- 400W RMS / 1200W Peak Power Handling for stronger bass performance in custom car audio systems.
- Dual 2 Ohm Voice Coil Design provides flexible wiring options for amplifier matching and custom system loads.
- 15.1mm Xmax supports strong cone travel for deeper low-frequency response and controlled bass output.
- 12 Inch Car Subwoofer Format delivers greater cone area and stronger low-end extension than smaller subwoofer sizes.
- Works in Sealed or Ported Boxes so users can choose tighter response or stronger low-frequency output based on enclosure type.
- Built for Car Audio Use with a thickened carbon steel frame, double stack ferrite magnet structure, and multi-hole ventilation/cooling design.
Why Choose the PRORECK 412 D2
The PRORECK 412 D2 is a practical choice for buyers who want more cone area and deeper bass extension than a 10 inch setup, while still maintaining manageable installation requirements for custom trunk and daily-driver builds. Its 12 inch format gives it stronger low-frequency presence, while the dual 2 ohm configuration provides flexible amplifier matching.
For shoppers comparing car subwoofers for sealed or ported custom installs, the 412 D2 is well suited to systems that need a stronger balance of depth, punch, and enclosure flexibility.
Product Specifications
| Brand |
PRORECK |
| Model |
412 D2 |
| Type |
Passive Dual Voice Coil Car Subwoofer |
| Speaker Size |
12 Inch |
| Rated Impedance |
Dual 2 Ohm |
| DC Resistance (Re) |
D2 / 1.8Ω |
| RMS Power Handling |
400W |
| Peak Power Handling |
1200W |
| Frequency Response |
38.6Hz–550Hz |
| Fs |
38.6Hz |
| Sensitivity (1w/1m) |
86.3dB |
| Qts |
0.59 |
| Qms |
3.88 |
| Qes |
0.7 |
| Vas |
33.5L |
| Xmax (Linear Excursion) |
15.1mm |
Physical Dimensions
| Outer Frame Dimension |
12.48 in / 317 mm |
| Mounting Cutout |
11.63 in / 295.5 mm |
| Mounting Depth |
5.5 in / 140 mm |
| Pore Diameter |
10.8 in / 276 mm |
| Trim Ring Height |
1.09 in / 27.8 mm |
Recommended Box Specifications
Sealed Enclosure
Minimum Sealed Box Volume: 1.08 ft³ (30.7L)
Maximum Sealed Box Volume: 1.95 ft³ (55.3L)
Minimum Sealed Box Panel Dimensions
using 3/4" (1.9 cm) MDF
Panel A: 13.5 x 14.4 in
Panel B: 13.5 x 13.5 in
Panel C: 12.3 x 13.4 in
Ported / Vented Enclosure
Minimum Vented Box Volume: 1.48 ft³ (42L)
Maximum Vented Box Volume: 1.92 ft³ (54.6L)
Minimum Port Opening: 2.36 x 8.66 in
Minimum Port Length: 8.66 in
Box Building Notes
- Enclosure not included. Box specifications are provided for custom enclosure builds only.
- Use 3/4" (1.9 cm) or thicker MDF and seal all joints with silicone.
- Add internal bracing to larger unsupported panels for improved enclosure strength.
- Choose a sealed box for tighter, more controlled bass response.
- Choose a vented box for stronger low-frequency output and higher bass efficiency.
Packaging Information
Single (1 Speaker)
Package Dimensions: 36.5 x 36.5 x 23.5 cm
Package Volume: 0.031307875 m³
Gross Weight: 5.9 kg
Pair (2 Speakers)
Package Dimensions: 39 x 38 x 50.5 cm
Package Volume: 0.074841 m³
Gross Weight: 12.7 kg
Net Weight: 11.7 kg
Construction Highlights
- Thickened carbon steel frame
- Protective PVC textured magnet cover
- Double stack ferrite magnet structure
- High-temperature resistant coil aluminum frame
- Optimized motor magnetics with extended pole and bumped backplate
- Multi-hole ventilation/cooling technology
- Dual tear & fatigue resistant poly-cotton spiders
- Multi-point high-temp/high-strength neck joint bonding technique
- Pure copper chrome-plated/isolated compression input terminal assembly
Installation & System Matching
The PRORECK 412 D2 is best used with an external mono or bridged amplifier matched to a dual 2 ohm subwoofer setup. Because it is a DVC model, it offers multiple wiring options depending on your amplifier’s safe operating range.
For optimum subwoofer performance, an active 80–100Hz low-pass crossover at 12dB/octave is recommended.
What’s Included
- PRORECK 412 D2 12" Car Subwoofer
- Available in Single (1 Speaker) or Pair (2 Speakers) options
- Enclosure not included
FAQ
Is the PRORECK 412 D2 a powered subwoofer?
No. This is a passive car audio subwoofer and requires an external amplifier.
What size is the PRORECK 412 D2?
It is a 12 inch car subwoofer.
What impedance is the 412 D2?
The 412 D2 is the dual 2 ohm version, with Re listed as 1.8Ω for the D2 model.
Does it include a box or enclosure?
No. This product includes the subwoofer speaker only. Enclosure not included.
Can I use it in a sealed or ported box?
Yes. The 412 D2 has recommended specifications for both sealed and ported enclosures.
Can I buy the 412 D2 as a single speaker or a pair?
Yes. This model can be offered in Single (1 Speaker) and Pair (2 Speakers) purchase options, depending on the listing configuration.
