Dayton Audio RSS210HO-8
8″ subwoofer · 8 Ω · 300 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, 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, tighterManufacturer spec: 0.30 ft³ · source
| Bass character (Qtc) | Flat and accurate · 0.68 |
|---|---|
| Fc | 52 Hz |
| F3 (−3 dB, no cabin gain) | 57 Hz |
| Example box (outside) | 10 5/8″ × 10 5/8″ × 8 5/8″ |
Ported
deeper, louderManufacturer spec: 0.79 ft³ · source
| Tuning (Fb) | 41 Hz |
|---|---|
| Port | 2 round ports Ø2 1/2″, 17 11/16″ long |
| Port velocity at 300 W | 95 ft/s |
| F3 (−3 dB, no cabin gain) | 36 Hz |
| Example box (outside) | 21 1/16″ × 15 3/4″ × 7 1/2″ |
At 300 W this example’s port will be noisy: air speed 95 ft/s, while the limit is 82 ft/s. It stays quiet up to about 220 W. Full power needs a port of at least 11.5 in², which means a bigger box than this example — size it in the designer.
Open ported box in designerDeeper: 0.64 ft³ (18 L) tuned to 40 Hz, 15 1/2″ × 15 3/4″ × 7 1/2″ 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 | 8″ |
|---|---|
| Voice coils | 8 Ω |
| RMS power | 300 W |
| Fs | 29.6 Hz |
| Qts | 0.39 |
| Qes | 0.45 |
| Qms | 2.78 |
| Vas | 0.66 ft³ |
| Re | 5.9 Ω |
|---|---|
| Sd | 33.1 in² |
| Xmax | 0.47″ |
| Vd | 15.7 in³ calc. |
| Mms | 100 g calc. |
| BL | 15.6 T·m calc. |
| EBP | 66 — sealed or ported calc. |
| Sensitivity, 1 W / 1 m | 82.3 dB calc. |
Mounting dimensions
| Cutout diameter | 7 5/16″ |
|---|---|
| Mounting depth | 4 15/16″ |
| Overall diameter | 8 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 8″ models
- Dayton Audio DCS205-4 8″ · 4 Ω
- Dayton Audio PCS8-4 8″ · 4 Ω
- Dayton Audio RSS210HF-4 8″ · 4 Ω
- Dayton Audio RSS210HO-4 8″ · 4 Ω
- Dayton Audio SD215A-88 8″ · dual 8 Ω
- Dayton Audio SS8-22 8″ · dual 2 Ω
- Dayton Audio UM8-22 8″ · dual 2 Ω
- Dayton Audio UMII8-22 8″ · dual 2 Ω
Similar 8″ subwoofers from other brands
Close in Fs, Qts and Vas — a box of similar volume will suit them.
- JBL GTO804 0.32 ft³ sealed · 0.53 ft³ ported
- Infinity Reference 860W 0.32 ft³ sealed · 0.53 ft³ ported
- JL Audio 8W1v3-4 0.28 ft³ sealed · 0.49 ft³ ported
- Audison Prima APS 8 D (DVC 4+4 ohm) 0.35 ft³ sealed · 0.71 ft³ ported
- Audiobahn AW800Q 0.28 ft³ sealed · 0.88 ft³ ported
- Ground Zero GZHW 8SPL-D2 FLAT (2x2 Ohm) 0.32 ft³ sealed · 0.53 ft³ ported
FAQ
What box does the Dayton Audio RSS210HO-8 need?
Recommended net volume: 0.32 ft³ sealed, 0.81 ft³ ported tuned to 41 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 Dayton Audio RSS210HO-8 Thiele/Small specs?
Fs 29.6 Hz, Qts 0.39, Vas 0.66 ft³, Xmax 0.47″, Sd 33.1 in².
What is the Dayton Audio RSS210HO-8 mounting depth?
Mounting depth is 4 15/16″, cutout diameter 7 5/16″. The inside depth of the box must exceed the mounting depth by at least 1″.
How much power does the Dayton Audio RSS210HO-8 handle and how do I wire it?
RMS power rating: 300 W. Wiring for several subs and amp power — in the wiring calculator.