The Ultimate Guide to Car Subwoofer Power Handling
Key Highlights Getting to know how RMS and peak power handling are different when it comes to ca...
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Arc Audio
Arc Audio X2V2 12" Subwoofer
SKU: X2V2-12_2
$ 208.00
QUICK SPECS
- Power: 250W RMS | 500W Peak | Recommended Amp 5-500W
- Voice Coil: Dual 2-Ohm (D2) or Dual 4-Ohm (D4) | 2 in Copper-Coated Aluminum
- Sealed Box: 0.9 to 1.55 cu ft | Optimal 1.15 cu ft | 15mm Xmax
- Fitment: Mounting Depth 6.75 in | Cutout 11.11 in | Outside Dia 12.45 in
Arc Audio X2V2 12" Subwoofer
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Arc Audio X2V2 Series Subwoofers
Arc Audio X2V2 12 Inch Subwoofer
More cone, more output, same engineering. The X2V2 12 brings the full thermal and cooling system of the X2V2 line to a 12 inch driver rated at 250 watts RMS with deep sealed extension.
250W RMS
500W Peak
Dual 2 or Dual 4 Ohm
1-Year Warranty
250 Watts Built to Last
The Arc Audio X2V2 12 inch subwoofer handles 250 watts RMS continuous and 500 watts maximum, with a recommended amplifier range of 5 to 500 watts. The same extended power testing philosophy applies here as on the 10: Arc Audio doubled test power levels after each successful round to identify and address actual failure points, producing a 250 watt RMS rating that reflects sustained real-world thermal capacity.
The 514 square centimeter cone area moves substantially more air than a 10 inch driver at the same excursion. Combined with 15mm of one-way linear Xmax and sensitivity reaching 85.95 dB on the D2, the X2V2 12 fills a cabin without asking for a high-powered amplifier to do it.
250WRMS Power
15mmXmax
85.95 dBSensitivity (D2)
6.75 inMounting Depth
The Same Cooling System, Scaled Up
Every thermal feature from the X2V2 10 carries over to the 12. A two-inch copper-coated aluminum voice coil on a Kapton former, anodized black for radiative heat dissipation. The four-spoke stamped steel basket with eight integrated motor cooling vents and a T-Yoke center vent. Double-stacked magnets for motor efficiency. The 12 inch cone moves more air and generates more heat at the same power level, and Arc Audio engineered the platform to handle that.
Construction Built for Daily Use
The reinforced pulp paper cone carries a moisture-resistant coating for reliability in all conditions. The large-diameter rubber surround replaces foam, eliminating the most common long-term failure point in subwoofers. The high-roll Conex spider has tinsel leads woven directly into it, removing the bare-lead designs that cause cone slap and short circuits over time.
Choose Your Voice Coil: D2 or D4
The dual 2-ohm (D2) wires to 1 ohm or 4 ohms, the dual 4-ohm (D4) wires to 2 ohms or 8 ohms. The T/S parameters differ between variants, which changes the sealed box alignment and character, so select the coil based on your amplifier's preferred impedance first. The enclosure performance section below shows exactly how each variant behaves across the recommended sealed volume range.
Fitment at a glance: mounting depth 6.75 inches, cutout 11.11 inches, outside diameter 12.45 inches, displacement 0.07 cu ft. Recommended sealed volume is 0.9 to 1.55 cubic feet. Confirm cutout, depth, and box space before ordering.
Built and Backed
Every Arc Audio X2V2 12 sold by Audio Intensity is brand new and carries the Arc Audio 1-year warranty through authorized dealers.
Authorized Arc Audio Dealer
Audio Intensity ships the Arc Audio X2V2 12 fast from Tullahoma, Tennessee, with real installer support before and after the sale. Tell us your amplifier and your available space and we will help you land on the right voice coil, the right enclosure, and the right gain structure.
Sealed Enclosure Performance: Pre-Calculated Results
Using Arc Audio's published Thiele-Small parameters and their recommended sealed volumes, here are the predicted Qtc, system resonance (Fc), F3 rolloff, and frequency response for each box size. Calculated using the same formulas as the Audio Intensity Sealed Box Calculator.
The X2V2 12 is a high-Qts driver, producing elevated midbass presence and impact in a sealed box rather than a flat Butterworth alignment. The payoff is deep F3 extension into the upper 30 Hz range from a moderately sized enclosure, with significant additional cabin gain below 80 Hz in-vehicle.
D2 — Dual 2 Ohm | Qts 0.471 | Fs 25.57 Hz | Vas 79.36 L
| Box Volume | Qtc | Fc | F3 |
|---|---|---|---|
| 0.9 cu ftMinimum / tightest | 0.955 | 51.9 Hz | 41.7 Hz |
| 1.15 cu ft ★Optimal (Arc recommended) | 0.873 | 47.4 Hz | 40.0 Hz |
| 1.55 cu ftMaximum / most relaxed | 0.789 | 42.8 Hz | 38.8 Hz |
D4 — Dual 4 Ohm | Qts 0.543 | Fs 25.57 Hz | Vas 82.65 L
| Box Volume | Qtc | Fc | F3 |
|---|---|---|---|
| 0.9 cu ftMinimum / tightest | 1.119 | 52.7 Hz | 39.6 Hz |
| 1.15 cu ft ★Optimal (Arc recommended) | 1.021 | 48.1 Hz | 37.5 Hz |
| 1.55 cu ftMaximum / most relaxed | 0.922 | 43.4 Hz | 35.5 Hz |
D2 Frequency Response — Sealed
0.9 cu ft (Qtc 0.955)
1.15 cu ft (Qtc 0.873) ★
1.55 cu ft (Qtc 0.789)
D4 Frequency Response — Sealed
0.9 cu ft (Qtc 1.119)
1.15 cu ft (Qtc 1.021) ★
1.55 cu ft (Qtc 0.922)
What the numbers mean: Qtc near 0.707 is textbook Butterworth (flattest sealed response). The X2V2 12 runs higher across all volumes by design, producing warm, punchy bass with a midbass lift rather than a ruler-flat response. The D2 in 1.15 cu ft lands at Qtc 0.873 (warm, full-sounding). The D4 at the same volume hits Qtc 1.021 (pronounced midbass punch). F3 in the 38 to 42 Hz range is strong for a 12 inch driver in a moderate enclosure, and vehicle cabin gain below 80 Hz adds 6 to 12 dB in practice. Run your own numbers in the Sealed Box Calculator.
Ready to build? The Enclosures tab above lists the Proline X sealed enclosures we build specifically for this driver, CNC-cut in Tullahoma, Tennessee to the dimensions the numbers above call for.
| Arc Audio X2V2 12 Inch Subwoofer Specifications | ||
|---|---|---|
| Specification | D2 Version | D4 Version |
| Power and Configuration | ||
| RMS Power Handling | 250 Watts | |
| Peak Power Handling | 500 Watts | |
| Recommended Amplifier Power | 5 to 500 Watts | |
| Voice Coil Configuration | Dual 2-Ohm (D2) | Dual 4-Ohm (D4) |
| Wiring Options | 1 Ohm or 4 Ohm | 2 Ohm or 8 Ohm |
| Thiele-Small Parameters | ||
| Resonant Frequency (Fs) | 25.57 Hz | |
| Total Q (Qts) | 0.471 | 0.543 |
| Electrical Q (Qes) | 0.521 | 0.612 |
| Mechanical Q (Qms) | 4.942 | 4.778 |
| Equivalent Volume (Vas) | 79.36 L | 82.65 L |
| DC Resistance (Re) | 4.05 Ohm | 7.25 Ohm |
| Sensitivity (1W / 1m) | 85.95 dB | 85.43 dB |
| Xmax (One-Way Linear) | 15.1 mm | 15.0 mm |
| Cone Area (Sd) | 514 cm2 | |
| Moving Mass (Mms) | 176.06 g | 169.16 g |
| Force Factor (BL) | 14.83 T/m | 17.94 T/m |
| Displacement | 0.07 cu ft | |
| Recommended Enclosures | ||
| Sealed Volume | 0.9 to 1.55 cu ft (optimal 1.15) | |
| Voice Coil and Motor | ||
| Voice Coil Diameter | 2 in | |
| Voice Coil Material | Copper-Coated Aluminum, Anodized Black | |
| Voice Coil Former | Kapton Electrical Isolator | |
| Magnet Assembly | Double-Stacked | |
| Basket and Cooling | ||
| Basket Construction | Four-Spoke Stamped Steel | |
| Basket Cooling Vents | 8 Integrated Motor Vents | |
| T-Yoke Vent | Yes, Secondary Dust Cap and Motor Cooling | |
| Cone and Surround | ||
| Cone Material | Reinforced Pulp Paper, Moisture-Resistant Coating | |
| Surround Type | Large-Diameter Rubber | |
| Spider | High-Roll Conex with Woven Tinsel Leads | |
| Mounting and Physical | ||
| Mounting Depth | 6.75 in | |
| Cutout Diameter | 11.11 in | |
| Outside Diameter | 12.45 in | |
| Warranty | 1 Year (Authorized Dealers) | |
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