Dayton Audio RSS265HF-8
10″ subwoofer · 8 Ω · 350 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, 350 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: 1.09 ft³ · source
| Bass character (Qtc) | Tight and punchy · 0.80 |
|---|---|
| Fc | 41 Hz |
| F3 (−3 dB, no cabin gain) | 39 Hz |
| Example box (outside) | 12 5/8″ × 12 5/8″ × 16 15/16″ |
Ported
deeper, louderManufacturer spec: 1.91 ft³ · source
| Tuning (Fb) | 30 Hz |
|---|---|
| Port | slot 1 9/16 × 14 5/16″, 31 1/4″ long |
| Port velocity at 350 W | 52 ft/s |
| F3 (−3 dB, no cabin gain) | 27 Hz |
| Example box (outside) | 31 1/2″ × 15 3/4″ × 11 9/16″ |
Deeper: 2.08 ft³ (59 L) tuned to 28 Hz, 31 1/2″ × 15 3/4″ × 12 7/16″ 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 | 8 Ω |
| RMS power | 350 W |
| Fs | 24.9 Hz |
| Qts | 0.48 |
| Qes | 0.59 |
| Qms | 2.68 |
| Vas | 1.85 ft³ |
| Re | 6.5 Ω |
|---|---|
| Sd | 53.7 in² |
| Xmax | 0.56″ |
| Vd | 30.2 in³ calc. |
| Mms | 133 g calc. |
| BL | 15.1 T·m calc. |
| EBP | 42 — suits sealed calc. |
| Sensitivity, 1 W / 1 m | 83.4 dB calc. |
Mounting dimensions
| Cutout diameter | 9 1/4″ |
|---|---|
| Mounting depth | 5 3/8″ |
| Overall diameter | 10 1/2″ |
“≈” 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 10″ models
- Dayton Audio DCS255-4 10″ · 4 Ω
- Dayton Audio LS10-44 10″ · dual 4 Ω
- Dayton Audio MX10-22 10″ · dual 2 Ω
- Dayton Audio PCS10-4 10″ · 4 Ω
- Dayton Audio RSS265HF-4 10″ · 4 Ω
- Dayton Audio RSS265HO-4 10″ · 4 Ω
- Dayton Audio RSS265HO-44 10″ · dual 4 Ω
- Dayton Audio SD270A-88 10″ · dual 8 Ω
- Dayton Audio SS10-22 10″ · dual 2 Ω
- Dayton Audio UM10-22 10″ · dual 2 Ω
- Dayton Audio UMII10-22 10″ · dual 2 Ω
Similar 10″ subwoofers from other brands
Close in Fs, Qts and Vas — a box of similar volume will suit them.
- Orion XTR102D / XTR10D2 (XTR 10" DVC 2ohm) 0.99 ft³ sealed · 1.02 ft³ ported
- RE Audio REX10 S4 0.95 ft³ sealed · 1.62 ft³ ported
- Focal Access 25 A4 (SVC 4 ohm) 1.17 ft³ sealed · 1.41 ft³ ported
- Orion XTR104D / XTR10D4 (XTR 10" DVC 4ohm) 1.27 ft³ sealed · 1.02 ft³ ported
- Lanzar MAX10D 1.09 ft³ sealed · 1.45 ft³ ported
- Earthquake SWS-10X 0.92 ft³ sealed · 1.45 ft³ ported
FAQ
What box does the Dayton Audio RSS265HF-8 need?
Recommended net volume: 1.06 ft³ sealed, 1.91 ft³ ported tuned to 30 Hz — for one sub in a sedan at 350 W. Fit the box to your space and amp in the free calculator, with plans and a cut sheet.
What are the Dayton Audio RSS265HF-8 Thiele/Small specs?
Fs 24.9 Hz, Qts 0.48, Vas 1.85 ft³, Xmax 0.56″, Sd 53.7 in².
What is the Dayton Audio RSS265HF-8 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″.
How much power does the Dayton Audio RSS265HF-8 handle and how do I wire it?
RMS power rating: 350 W. Wiring for several subs and amp power — in the wiring calculator.