Elemental Designs e10kd4

10″ subwoofer · DVC

33 HzFs, resonance

0.40Qts

0.88 ft³Vas

0.56″Xmax

Source	web.archive.org · manufacturer data
Checked against source	October 2026
Thiele/Small parameters	not in the spec sheet: Sd — typical value for the size used
Mounting dimensions	2 of 4 — missing: frame outer diameter, magnet diameter; the designer will use an estimate

The published specs don’t add up:

The spec sheet's Qts 0.35 doesn't match its Qes and Qms (they give 0.4).

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

0.49 ft³ (14 L)

Net volume

Bass character (Qtc)	Flat and accurate · 0.66
Fc	55 Hz
F3 (−3 dB, no cabin gain)	62 Hz
Example box (outside)	12 5/8″ × 12 5/8″ × 9 1/8″

Open sealed box in designer

Ported

deeper, louder

1.55 ft³ (44 L)

Net volume

Tuning (Fb)	36 Hz
Port	slot 1 9/16 × 14 5/16″, 26 1/16″ long
Port velocity at 300 W	57 ft/s
F3 (−3 dB, no cabin gain)	32 Hz
Example box (outside)	31 1/2″ × 15 3/4″ × 9 3/4″

Open ported box in designer

Deeper: 1.02 ft³ (29 L) tuned to 42 Hz, 25 3/8″ × 15 3/4″ × 7 7/8″ outside — a bigger box with flatter deep bass. Open in the calculator

Where to buy Amazon

Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Size	10″
Voice coils	DVC
RMS power	—
Fs	33 Hz
Qts	0.40
Qes	0.43
Qms	5.4

Vas	0.88 ft³
Re (one coil)	0.88 Ω
Sd	≈ 52.7 in²
Xmax	0.56″
EBP	77 — sealed or ported calc.
Sensitivity, 1 W / 1 m	85.2 dB calc.

Mounting dimensions

Cutout diameter	9 1/4″
Mounting depth	5 3/8″

“≈” 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

Other Elemental Designs 10″ models

Elemental Designs 10A.22 10″ · dual 2 Ω
Elemental Designs 11Kv.2 10″ · DVC
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 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.

Alpine S2-W10D4 0.46 ft³ sealed · 1.09 ft³ ported
Helix IK W10-SVC2 (1x2 Ohm) 0.46 ft³ sealed · 0.81 ft³ ported
Helix K 10W-SVC2 (1x2 Ohm) 0.46 ft³ sealed · 0.81 ft³ ported
Alpine S-W10D2 0.46 ft³ sealed · 0.81 ft³ ported
Alpine S2-W10D2 0.46 ft³ sealed · 1.09 ft³ ported
Cadence S1W10D2.v2 0.49 ft³ sealed · 0.85 ft³ ported

FAQ

What box does the Elemental Designs e10kd4 need?

Recommended net volume: 0.49 ft³ sealed, 1.55 ft³ ported tuned to 36 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 e10kd4 Thiele/Small specs?

Fs 33 Hz, Qts 0.40, Vas 0.88 ft³, Xmax 0.56″.

What is the Elemental Designs e10kd4 mounting depth?

Mounting depth is 5 3/8″, cutout diameter 9 1/4″. The inside depth of the box must exceed the mounting depth by at least 1″.