VFL Comp Signature 18" Car Subwoofer 5000 Watts RMS Dual Voice Coil 1 Ohm or 2 Ohm
Many in-stock orders ship within 1-2 business days, but timing varies by item. Custom, built-to-order, oversized, special-order and supplier-direct products may need extra processing time. Free shipping applies to qualifying orders over $99 in the contiguous US. Approved returns may be subject to a restocking fee.
Most products are covered by the manufacturer's warranty against defects. Damage from over-powering or improper installation isn't covered — we'll help coordinate any valid claim.
Tell us your vehicle, subwoofers and electrical setup and our team will help you match the right gear. Reach out before you buy.
Subwoofer Wiring Diagram
Select your configuration to view possible wiring combinations.
Loading wiring diagrams…
Diagrams are on our wiring diagram page.
- 5000W RMS / 10,000W max — built to win SPL competition
- 18" cone — maximum displacement for record-chasing output
- Dual voice coil, 1Ω or 2Ω — wiring options for big competition amps
- 4" aluminum voice coil — 4-layer flat-wire winding for extreme power
- VFLCOMP-1811 / VFLCOMP-1822 — Kevlar cone on a die-cast basket
American Bass VFL Comp Signature 18" Car Subwoofer — 5000W RMS Dual Voice Coil (VFLCOMP-1811 / VFLCOMP-1822)
This Listing Includes:
- (1) American Bass VFL Comp Signature 18" Subwoofer
The VFL Comp Signature 18" is American Bass’s flagship SPL weapon, built for competitors chasing the loudest, cleanest number on the meter. Rated at 5000W RMS and 10,000W max, the Comp Signature 18" rides on a 4" 4-layer aluminum voice coil, a 504 oz triple-stacked motor, and a Kevlar cone with red-stitched hi-roll surround. Dual 1Ω or 2Ω voice coils let you wire the Comp Signature 18" to your competition amplifier. Authorized American Bass dealer at JS Ultimate Sounds. Free shipping on orders $99+.
Features
- Kevlar fiber cone for extreme rigidity under competition power
- 4" hi-temp 4-layer flat aluminum wire voice coil on aluminum bobbin
- Hi-roll high-density foam surround with red stitching (27.5mm Xmax)
- Heavy-duty die-cast basket with white power finish
- 504 oz triple-stacked strontium magnet for massive motor force
Specifications
| RMS Power | 5000W |
| Max Power | 10,000W |
| Impedance | Dual 1Ω (VFLCOMP-1811) or Dual 2Ω (VFLCOMP-1822) |
| Sensitivity | 88.6 dB (1Ω) / 89.5 dB (2Ω) |
| Voice Coil | 4" 4-layer flat aluminum on aluminum bobbin |
| Magnet | 504 oz triple-stacked strontium |
| Cone | Kevlar fiber |
| Surround | Hi-roll high-density foam, red stitching |
| Basket | Heavy-duty die-cast, white power finish |
| Mounting Depth | 11.38" |
| Cutout Diameter | 16.54" |
| Xmax | 27.5 mm |
| Fs | 33.6 Hz (1Ω) / 32.9 Hz (2Ω) |
| Qts | 0.537 (1Ω) / 0.498 (2Ω) |
| Qes | 0.537 (1Ω) / 0.554 (2Ω) |
| Qms | 4.494 (1Ω) / 4.938 (2Ω) |
| Vas | 88.5 L (1Ω) / 88.0 L (2Ω) |
| BL | 17.34 (1Ω) / 11.86 (2Ω) |
| Mms | 485.3 g (1Ω) / 471.4 g (2Ω) |
| Sd | 113.4 cm² |
