Dayton Audio RSS315HO-44
12″ subwoofer · dual 4 Ω · 700 W RMS
| Source | parts-express.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, 700 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, tighterManufacturer spec: 0.49 ft³ · source
| Bass character (Qtc) | Flat and accurate · 0.74 |
|---|---|
| Fc | 43 Hz |
| F3 (−3 dB, no cabin gain) | 44 Hz |
| Example box (outside) | 14 3/16″ × 14 3/16″ × 10 1/16″ |
Ported
deeper, louderManufacturer spec: 1.36 ft³ · source
| Tuning (Fb) | 30 Hz |
|---|---|
| Port | slot 1 3/8 × 14 5/16″, 38 15/16″ long |
| Port velocity at 700 W | 73 ft/s |
| F3 (−3 dB, no cabin gain) | 28 Hz |
| Example box (outside) | 31 1/2″ × 15 3/4″ × 9 15/16″ |
Deeper: 1.87 ft³ (53 L) tuned to 25 Hz, 31 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 | 12″ |
|---|---|
| Voice coils | dual 4 Ω |
| RMS power | 700 W |
| Fs | 21.5 Hz |
| Qts | 0.37 |
| Qes | 0.41 |
| Qms | 3.7 |
| Vas | 2.16 ft³ |
| Re (one coil) | 3.25 Ω |
|---|---|
| Sd | 78.6 in² |
| Xmax | 0.55″ |
| Vd | 43.3 in³ calc. |
| Mms | 326 g calc. |
| BL | 18.7 T·m calc. |
| EBP | 52 — sealed or ported calc. |
| Sensitivity, 1 W / 1 m | 83.7 dB calc. |
Mounting dimensions
| Cutout diameter | 11 1/8″ |
|---|---|
| Mounting depth | 5 3/4″ |
| Overall diameter | 12 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 Dayton Audio 12″ models
- Dayton Audio DCS305-4 12″ · 4 Ω
- Dayton Audio LS12-44 12″ · dual 4 Ω
- Dayton Audio MX12-22 12″ · dual 2 Ω
- Dayton Audio PCS12-4 12″ · 4 Ω
- Dayton Audio RSS315HF-4 12″ · 4 Ω
- Dayton Audio RSS315HFA-8 12″ · 8 Ω
- Dayton Audio RSS315HO-4 12″ · 4 Ω
- Dayton Audio SD315A-88 12″ · dual 8 Ω
- Dayton Audio SS12-22 12″ · dual 2 Ω
- Dayton Audio UM12-22 12″ · dual 2 Ω
- Dayton Audio UMII12-22 12″ · dual 2 Ω
Similar 12″ subwoofers from other brands
Close in Fs, Qts and Vas — a box of similar volume will suit them.
- Elemental Designs e5.12 0.78 ft³ sealed · 2.51 ft³ ported
- Ground Zero GZHW 30X (2x2 Ohm) 0.67 ft³ sealed · 2.22 ft³ ported
- Hertz Mille Pro MPS 300 S4 (shallow, SVC 4 ohm) 0.85 ft³ sealed · 1.77 ft³ ported
- Audiobahn AWP312T 0.74 ft³ sealed · 2.40 ft³ ported
- ARC Audio Flatline FL12D2 0.79 ft³ sealed · 2.51 ft³ ported
- Audison Voce II AV 12 D4 II (DVC 4+4 ohm) 1.13 ft³ sealed · 1.77 ft³ ported
FAQ
What box does the Dayton Audio RSS315HO-44 need?
Recommended net volume: 0.71 ft³ sealed, 1.38 ft³ ported tuned to 30 Hz — for one sub in a sedan at 700 W. Fit the box to your space and amp in the free calculator, with plans and a cut sheet.
What are the Dayton Audio RSS315HO-44 Thiele/Small specs?
Fs 21.5 Hz, Qts 0.37, Vas 2.16 ft³, Xmax 0.55″, Sd 78.6 in².
What is the Dayton Audio RSS315HO-44 mounting depth?
Mounting depth is 5 3/4″, cutout diameter 11 1/8″. The inside depth of the box must exceed the mounting depth by at least 1″.
How much power does the Dayton Audio RSS315HO-44 handle and how do I wire it?
RMS power rating: 700 W. Dual 4 Ω voice coils: series gives 8 Ω, parallel gives 2 Ω at the amp. Wiring for several subs and amp power — in the wiring calculator.