Resilient Sounds Platinum 12 D2
12″ subwoofer · dual 2 Ω · 2,000 W RMS · also as Platinum 12 D1 (dual 1 Ω)
The Resilient Sounds Platinum 12 D2 is a 12″ subwoofer. With Qts 0.33 and EBP 95 it works both sealed and ported: sealed is tighter and smaller, ported is deeper and louder. Long excursion (Xmax 1.18″) — built for loud music and high power.
| Source | resilientsounds.com · manufacturer data |
|---|---|
| Checked against source | October 2026 |
| Thiele/Small parameters | complete |
| Mounting dimensions | 3 of 4 — missing: magnet diameter; the designer will use an estimate |
Recommended box
For a sedan, one sub, 2,000 W. It’s the same math as the designer’s step-by-step mode, where you can fit the box to your space, vehicle and amp and get plans, a cut sheet and DXF.
Sealed
smaller, tighter| Bass character (Qtc) | Dry and tight · 0.46 |
|---|---|
| Fc | 46 Hz |
| F3 (−3 dB, no cabin gain) | 82 Hz |
| Example box (outside) | 14 9/16″ × 14 9/16″ × 12″ |
Ported
deeper, louder| Tuning (Fb) | 34 Hz |
|---|---|
| Port | slot 3 15/16 × 14 5/16″, 51 1/2″ long |
| Port velocity at 2,000 W | 73 ft/s |
| F3 (−3 dB, no cabin gain) | 30 Hz |
| Example box (outside) | 31 1/2″ × 15 3/4″ × 18 9/16″ |
Deeper: 1.45 ft³ (41 L) tuned to 29 Hz, 21 1/8″ × 15 3/4″ × 12″ outside — a bigger box with flatter deep bass. Open in the calculator
Projects with this subwoofer
Boxes that users designed and published: plans, cut sheet and response graph.
Thiele/Small parameters
| Size | 12″ |
|---|---|
| Voice coils | dual 2 Ω |
| RMS power | 2,000 W |
| Fs | 33.1 Hz |
| Qts | 0.33 |
| Qes | 0.35 |
| Qms | 5.7 |
| Vas | 0.92 ft³ |
| Re (one coil) | 2 Ω |
|---|---|
| Sd | 75.7 in² |
| Xmax | 1.18″ |
| Vd | 89.5 in³ calc. |
| Mms | 301 g calc. |
| BL | 18.9 T·m calc. |
| EBP | 95 — sealed or ported calc. |
| Sensitivity, 1 W / 1 m | 86.3 dB calc. |
Mounting dimensions
| Cutout diameter | 11 1/4″ |
|---|---|
| Mounting depth | 9 1/2″ |
| Overall diameter | 12 3/4″ |
Where it fits in a vehicle
Spots from our vehicle guides where the cutout, mounting depth and recommended box fit. The spot sizes are approximate — measure your own vehicle.
- Bronco 4-door — behind the rear seat sealed and ported box
- Wrangler 4-door, hard top — behind the rear seat sealed and ported box
- Wrangler 4-door, soft top — behind the rear seat sealed and ported box
- FJ Cruiser — behind the rear seat sealed and ported box
- El Camino 1978–87 — behind the seat sealed and ported box
- Cherokee XJ — cargo area, spare moved out sealed and ported box
- Excursion — behind the third row sealed and ported box
- Mustang 2015–2023 coupe — trunk sealed and ported box
- Challenger / Charger — trunk sealed and ported box
- Club Car Precedent — under the rear seat sealed box
Cone area (Sd) calculated from Fs, Vas and Mms: 75.7 in².
“≈” means the value isn’t in the spec sheet and a typical value for the size is used; “calc.” means it’s calculated from the published parameters. Check the manufacturer’s spec sheet before you build.
Data sources
Voice coil versions
The same sub with different voice coils: the parameters are nearly the same — pick by your amp and wiring.
| Model | Voice coils | Re | Qes | Vas | Sealed | Ported |
|---|---|---|---|---|---|---|
| Resilient Sounds Platinum 12 D1 | dual 1 Ω | 1 Ω | 0.25 | 0.96 ft³ | 0.95 ft³ | 2.15 ft³ · 32 Hz |
| Resilient Sounds Platinum 12 D2 | dual 2 Ω | 2 Ω | 0.35 | 0.92 ft³ | 0.95 ft³ | 2.26 ft³ · 34 Hz |
Other Resilient Sounds 12″ models
- Resilient Sounds Gold 12 D4 12″ · dual 4 Ω
- Resilient Sounds Onyx 12 D1 12″ · dual 1 Ω
- Resilient Sounds Platinum 12 V2 D1 12″ · dual 1 Ω
- Resilient Sounds Platinum 12 V2 D2 12″ · dual 2 Ω
- Resilient Sounds RS 12 D4 12″ · dual 4 Ω
- Resilient Sounds RS 12 V2 D4 12″ · dual 4 Ω
Similar 12″ subwoofers from other brands
Close in Fs, Qts and Vas — a box of similar volume will suit them.
- Fi Audio SP3 12 D1 0.94 ft³ sealed · 2.19 ft³ ported
- Fi Audio SP3 12 D2 0.94 ft³ sealed · 2.19 ft³ ported
- Rockville PUNISHER 12D2 0.79 ft³ sealed · 2.44 ft³ ported
- ESX QXE12D2 (2x2 Ohm) 0.72 ft³ sealed · 2.33 ft³ ported
- Rockville PUNISHER 12D1 0.79 ft³ sealed · 2.44 ft³ ported
- Ground Zero GZNW 12SPL-XFLEX (2x1 Ohm) 0.90 ft³ sealed · 2.30 ft³ ported
- Fi Audio BTL3 12 D2 0.67 ft³ sealed · 2.19 ft³ ported
- Fi Audio HC 12 D1 0.67 ft³ sealed · 2.19 ft³ ported
- Fi Audio HC 12 D2 0.67 ft³ sealed · 2.19 ft³ ported
All 12″ subwoofers in our database →
FAQ
What box does the Resilient Sounds Platinum 12 D2 need?
Recommended net volume: 0.95 ft³ sealed, 2.26 ft³ ported tuned to 34 Hz — for one sub in a sedan at 2,000 W. Fit the box to your space and amp in the free calculator, with plans and a cut sheet.
What are the Resilient Sounds Platinum 12 D2 Thiele/Small specs?
Fs 33.1 Hz, Qts 0.33, Vas 0.92 ft³, Xmax 1.18″, Sd 75.7 in².
What is the Resilient Sounds Platinum 12 D2 mounting depth?
Mounting depth is 9 1/2″, cutout diameter 11 1/4″. The inside depth of the box must exceed the mounting depth by at least 1″.
How much power does the Resilient Sounds Platinum 12 D2 handle and how do I wire it?
RMS power rating: 2,000 W. Dual 2 Ω voice coils: series gives 4 Ω, parallel gives 1 Ω at the amp. Wiring for several subs and amp power — in the wiring calculator.
Is the Resilient Sounds Platinum 12 D2 better sealed or ported?
EBP 95: both work — sealed 0.95 ft³ is tighter and smaller, ported 2.26 ft³ tuned to 34 Hz is deeper and louder.
What port does the Resilient Sounds Platinum 12 D2 need?
For the 2.26 ft³ ported box tuned to 34 Hz: slot 3 15/16 × 14 5/16″, 51 1/2″ long, area 56.4 in²; or a round port Ø8 1/2″, ≈ 51 1/2″ long. Port air speed at 2,000 W: 73 ft/s.
What box do two Resilient Sounds Platinum 12 D2 subs need?
Two subs need twice the volume: 1.91 ft³ sealed, or 4.52 ft³ ported at the same 34 Hz tuning with twice the port area. One shared chamber or one per sub — whatever fits your vehicle.