Sundown Audio Ev2-10 D2
10″ subwoofer · dual 2 Ω · 500 W RMS
| 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, 500 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 · 0.62 |
|---|---|
| Fc | 60 Hz |
| F3 (−3 dB, no cabin gain) | 73 Hz |
| Example box (outside) | 12 3/16″ × 12 3/16″ × 9 3/16″ |
Ported
deeper, louder| Tuning (Fb) | 37 Hz |
|---|---|
| Port | slot 1 3/4 × 14 5/16″, 28 1/2″ long |
| Port velocity at 500 W | 66 ft/s |
| F3 (−3 dB, no cabin gain) | 34 Hz |
| Example box (outside) | 31 1/2″ × 15 3/4″ × 10″ |
Deeper: 0.99 ft³ (28 L) tuned to 36 Hz, 17 1/2″ × 15 3/4″ × 12 13/16″ 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 | dual 2 Ω |
| RMS power | 500 W |
| Fs | 33.2 Hz |
| Qts | 0.34 |
| Qes | 0.364 |
| Qms | 5.51 |
| Vas | 1.05 ft³ |
| Re (one coil) | 1.9 Ω |
|---|---|
| Sd | 51.7 in² |
| Xmax | 0.55″ |
| Vd | 28.5 in³ calc. |
| Mms | 121 g calc. |
| BL | 11.5 T·m calc. |
| EBP | 91 — sealed or ported calc. |
| Sensitivity, 1 W / 1 m | 86.8 dB calc. |
Mounting dimensions
| Cutout diameter | 8 7/8″ |
|---|---|
| Mounting depth | 5 5/8″ |
| Overall diameter | 10″ |
Cone area (Sd) calculated from Fs, Vas and Mms: 51.7 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
- web.archive.org/web/20190730000622/http://sundownaudio.com/index.php/subwoofers/
- web.archive.org/web/20211205100528/https://sundownaudio.com/lv/sa/discontinued/d
Other Sundown Audio 10″ models
- Sundown Audio Ev2-10 D4 10″ · dual 4 Ω
- Sundown Audio Ev4-10 D2 10″ · dual 2 Ω
- Sundown Audio Ev4-10 D4 10″ · dual 4 Ω
- Sundown Audio HZ-10 D4 10″ · dual 4 Ω
- Sundown Audio HZS-10 D4 10″ · dual 4 Ω
- Sundown Audio LCSv2-10 D4 10″ · dual 4 Ω
- Sundown Audio M10 D1 10″ · dual 1 Ω
- Sundown Audio M10 D2 10″ · dual 2 Ω
- Sundown Audio NSv2-10 D2 10″ · dual 2 Ω
- Sundown Audio NSv4-10 D1 10″ · dual 1 Ω
- Sundown Audio NSv4-10 D2 10″ · dual 2 Ω
- Sundown Audio NSv5-10 D1 10″ · dual 1 Ω
Similar 10″ subwoofers from other brands
Close in Fs, Qts and Vas — a box of similar volume will suit them.
- American Bass SL-1044V2 0.49 ft³ sealed · 1.59 ft³ ported
- STX W.25.400.2x2.MC 0.46 ft³ sealed · 1.45 ft³ ported
- Audiobahn AW100XS 0.49 ft³ sealed · 1.55 ft³ ported
- Machete M10 v2 D4 0.49 ft³ sealed · 0.85 ft³ ported
- STX W.25.400.2x4.MC 0.46 ft³ sealed · 1.45 ft³ ported
- Swat MAS-10 v.2 0.49 ft³ sealed · 0.85 ft³ ported
FAQ
What box does the Sundown Audio Ev2-10 D2 need?
Recommended net volume: 0.46 ft³ sealed, 1.52 ft³ ported tuned to 37 Hz — for one sub in a sedan at 500 W. Fit the box to your space and amp in the free calculator, with plans and a cut sheet.
What are the Sundown Audio Ev2-10 D2 Thiele/Small specs?
Fs 33.2 Hz, Qts 0.34, Vas 1.05 ft³, Xmax 0.55″, Sd 51.7 in².
What is the Sundown Audio Ev2-10 D2 mounting depth?
Mounting depth is 5 5/8″, cutout diameter 8 7/8″. The inside depth of the box must exceed the mounting depth by at least 1″.
How much power does the Sundown Audio Ev2-10 D2 handle and how do I wire it?
RMS power rating: 500 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.