12" HDX4 Series Subwoofer – Dual 1Ω
• Model: HDX4-12-D1
• Series: HDX4
• Size: 12" Subwoofer
• Voice Coil: Massive 4" high-temperature Dual 1Ω copper coils
• Power Handling:
– 3000W RMS
– 6000W Peak
• Suspension:
– Extreme high-roll surround for maximum excursion capability
– Multi-layer progressive spider pack for unmatched control at high power
• Motor:
– Oversized, high-energy ferrite motor
– Heavily vented pole and motor structure for superior cooling under extreme loads
• Terminals: Heavy-duty push terminals
• Application: Built for monstrous output, SPL builds, and high-power daily systems requiring brutal low-end authority and maximum durability
| Model | HDX412 | HDX415 | HDX418 |
| RMS Power | 2000 W | 2000 W | 2000 W |
| Peak Power | 6000 W | 6000 W | 6000 W |
| Magnet Weight | 403 oz | 403 oz | 403 oz |
| Coil Diameter | 4" | 4" | 4" |
| Woofer Size | 12" | 15" | 18" |
| F(s) | 30.95 Hz | 29.61 Hz | 22.8 Hz |
| Impedance | D1 | D1 | D1 |
| Z(max) | 21.2 Ohms | 22.43 Ohms | 19.3 Ohms |
| Q(ms) | 3.664 | 4.047 | 4.568 |
| Q(es) | 0.344 | 0.3658 | 0.4852 |
| Q(ts) | 0.3145 | 0.3355 | 0.4386 |
| V(as) | 24.93 Liters | 55.04 Liters | 163.3 Liters |
| L(e) | 0.7672 | 0.8143 | 2.477 |
| n(0) | 0.21% | 0.37% | 0.38% |
| M(ms) | 422 grams | 500.3 grams | 616.8 grams |
| C(ms) | 0.063 | 0.058 | 0.078 |
| Sensitivity (1W/1m) | 85.22 dB | 87.81 dB | 87.95dB |
| BL | 20.84 | 21.75 | 18.4 |
| Xmax | 21 | 21 | 31 |
| Sd | 260.4 mm | 323.9 mm | 393.7 mm |
| Displacement | 0.2³ | 0.22³ | 0.32³ |
| Mounting Depth | 8 5/8" | 9 3/8" | 11 5/8" |
| Circle Cutout | 11 1/2" | 13 7/8" | 16 9/16" |
| Ported Enclosure (Cu Ft): | 1.75-2.75 FT³ | 3-6 FT³ | 5-7 FT³ |