Elemental Designs 11Kv.2
10″ subwoofer · DVC · 300 W RMS
The Elemental Designs 11Kv.2 is a 10″ subwoofer. With Qts 0.28 and EBP 80 it works both sealed and ported: sealed is tighter and smaller, ported is deeper and louder.
| Source | web.archive.org · 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, 300 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) | Flat and accurate · 0.66 |
|---|---|
| Fc | 59 Hz |
| F3 (−3 dB, no cabin gain) | 67 Hz |
| Example box (outside) | 12 3/16″ × 12 3/16″ × 9 11/16″ |
Ported
deeper, louder| Tuning (Fb) | 30 Hz |
|---|---|
| Port | slot 1 9/16 × 14 5/16″, 37 5/16″ long |
| Port velocity at 300 W | 48 ft/s |
| F3 (−3 dB, no cabin gain) | 30 Hz |
| Example box (outside) | 31 1/2″ × 15 3/4″ × 10 7/8″ |
Deeper: 1.02 ft³ (29 L) tuned to 34 Hz, 19 5/16″ × 15 3/4″ × 12 3/16″ 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 | 10″ |
|---|---|
| Voice coils | DVC |
| RMS power | 300 W |
| Fs | 24.8 Hz |
| Qts | 0.28 |
| Qes | 0.31 |
| Qms | 2.7 |
| Vas | 2.33 ft³ |
| Re (one coil) | 7 Ω |
|---|---|
| Sd | 54.3 in² |
| Xmax | 0.59″ |
| Vd | 32.3 in³ calc. |
| Mms | 108 g calc. |
| BL | 19.5 T·m calc. |
| EBP | 80 — sealed or ported calc. |
| Sensitivity, 1 W / 1 m | 87.1 dB calc. |
Mounting dimensions
| Cutout diameter | 9 1/8″ |
|---|---|
| Mounting depth | 5″ |
| Overall diameter | 10 1/4″ |
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.
- F-150 SuperCrew — under the rear seat sealed and ported box
- Ram Crew Cab — under the rear seat sealed and ported box
- Tacoma Double Cab — under the rear seat sealed box
- Tacoma Access Cab — behind the front seats sealed box
- 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
- Silverado / Sierra Crew Cab — under the rear seat sealed and ported box
- Spare tire well sealed box
- Polaris RZR / Ranger — under the seat sealed box
- Can-Am — under the seat sealed box
- Avalanche — under the rear seat sealed 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
- Tesla Model 3 — well under the trunk floor sealed box
- Club Car Precedent — under the rear seat sealed and ported box
“≈” 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
- web.archive.org/web/20110827004917/http://www.edesignaudio.com/product_info.php?
- web.archive.org/web/20041209061047/http://www.edesignaudio.com/11kv2_spec.htm
Other Elemental Designs 10″ models
- Elemental Designs 10A.22 10″ · dual 2 Ω
- Elemental Designs 11Ov.2 10″ · DVC
- Elemental Designs e5.10 10″ · dual 2 Ω
- Elemental Designs E10a 10″ · DVC
- Elemental Designs E10k (2002) 10″
- Elemental Designs e10K (2003) 10″ · DVC
- Elemental Designs e10kd4 10″ · DVC
- Elemental Designs E10o 10″ · DVC
- Elemental Designs e10O.14 10″ · 4 Ω
- Elemental Designs e10O.44 10″ · dual 4 Ω
- Elemental Designs SQ10 10″ · 4 Ω
Similar 10″ subwoofers from other brands
Close in Fs, Qts and Vas — a box of similar volume will suit them.
- Helix DB 10 Deep Blue (1x4 Ohm) 0.49 ft³ sealed · 1.66 ft³ ported
- Rockford Fosgate Punch Power RFR-1410 (1996) 0.49 ft³ sealed · 1.62 ft³ ported
- Lanzar MAX10 0.49 ft³ sealed · 1.55 ft³ ported
- Orion 2NT 10 DVC 0.71 ft³ sealed · 1.48 ft³ ported
- JL Audio 10W0-8 0.78 ft³ sealed · 1.62 ft³ ported
- JL Audio 10W0-4 0.81 ft³ sealed · 1.62 ft³ ported
FAQ
What box does the Elemental Designs 11Kv.2 need?
Recommended net volume: 0.49 ft³ sealed, 1.62 ft³ ported tuned to 30 Hz — for one sub in a sedan at 300 W. Fit the box to your space and amp in the free calculator, with plans and a cut sheet.
What are the Elemental Designs 11Kv.2 Thiele/Small specs?
Fs 24.8 Hz, Qts 0.28, Vas 2.33 ft³, Xmax 0.59″, Sd 54.3 in².
What is the Elemental Designs 11Kv.2 mounting depth?
Mounting depth is 5″, cutout diameter 9 1/8″. The inside depth of the box must exceed the mounting depth by at least 1″.
How much power does the Elemental Designs 11Kv.2 handle and how do I wire it?
RMS power rating: 300 W. Wiring for several subs and amp power — in the wiring calculator.
Is the Elemental Designs 11Kv.2 better sealed or ported?
EBP 80: both work — sealed 0.49 ft³ is tighter and smaller, ported 1.62 ft³ tuned to 30 Hz is deeper and louder.
What port does the Elemental Designs 11Kv.2 need?
For the 1.62 ft³ ported box tuned to 30 Hz: slot 1 9/16 × 14 5/16″, 37 5/16″ long, area 22.6 in²; or a round port Ø5 3/8″, ≈ 37 5/16″ long. Port air speed at 300 W: 48 ft/s.
What box do two Elemental Designs 11Kv.2 subs need?
Two subs need twice the volume: 0.99 ft³ sealed, or 3.25 ft³ ported at the same 30 Hz tuning with twice the port area. One shared chamber or one per sub — whatever fits your vehicle.