Sundown Audio X v4 18 Single Bundle
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Bundle Includes: Sundown Audio X-Series XV4 18" 3000W RMS Subwoofer + Sundown Audio XV4 MDF 18" Single Ported Subwoofer Enclosure
Priced at 10% off the combined retail price of the subwoofer and enclosure bought separately. Select your impedance below.
Sundown Audio X-Series XV4 18" 3000W RMS Subwoofer
- Power — 3,000W RMS / 6,000W peak
- Voice Coil — X v.4 coils, available Dual 1Ω or Dual 2Ω
- Xmax — 30mm for deep excursion
- Motor — Heavy-duty 9.25″ diameter
This Listing Includes: (1) Sundown Audio X-Series XV4 18″ Subwoofer
The Sundown Xv4 18″ subwoofer delivers serious power and control, handling 3,000W RMS and 6,000W peak with high-grade X v.4 coils. A heavy-duty 9.25″ motor and large cone area (SD 113.41) move massive air for powerful low-frequency response, while 30mm of Xmax keeps deep bass clean. It works in sealed or ported enclosures with a recommended port tuning of 32Hz, giving you flexibility for SPL competition or everyday high-quality listening. Available in Dual 1Ω or Dual 2Ω, the Xv4 18″ is built for extreme durability and clean sound. In stock and shipping free from JS Ultimate Sounds — your authorized Sundown Audio dealer.
Features
- 18″ X v.4 Series subwoofer, 3,000W RMS / 6,000W peak
- Dual 1-Ohm or Dual 2-Ohm voice coil options
- Heavy-duty motor with 9.25″ diameter
- 30mm Xmax for deep bass response
- Sealed or ported enclosure compatibility; recommended port tuning 32Hz
Specifications
| RMS Power | 3,000W |
| Peak Power | 6,000W |
| Impedance | Dual 1Ω or Dual 2Ω |
| Voice Coil | X v.4 |
| Xmax | 30mm |
| Motor Diameter | 9.25″ |
| Cone Area (SD) | 113.41 |
| Recommended Port Tuning | 32Hz |
Sundown Audio XV4 MDF 18" Single Ported Subwoofer Enclosure
- Net Volume - 7.0 cu ft
- Tuning - 30.0 Hz
- Port Area - 101.25 sq in
- Sub Cutout - 16.69"
- Construction - Dense, uniform, void-free triple refined MDF panel
This Listing Includes: (1) Basshead Supply ported enclosure for the Sundown Audio XV4 MDF 18" subwoofer
This enclosure is custom built specifically for the Sundown Audio XV4 MDF 18" subwoofer. Basshead Supply's Performance Series enclosures are subwoofer-specific boxes engineered for strong, clean output, built with a refined assembly process that leaves no visible screw holes. Every box is glued with Titebond III and internally braced, then pre-wired with a recessed satin-nickel binding post and OFC 10-gauge wire - built by hand in the USA. Made to order (2-3 week lead time) and shipping from JS Ultimate Sounds, your Basshead Supply dealer.
Features
- Dense, uniform, void-free triple refined MDF panel
- Ships bare / unfinished - sanded and ready to finish your way
- Refined assembly - no visible screw holes
- Glued with Titebond III and internally braced
- Pre-wired recessed satin-nickel binding post with OFC 10-gauge wire
- Built by hand in the USA
Specifications
| Net Volume | 7.0 cu ft |
| Tuning | 30.0 Hz |
| Port Area | 101.25 sq in |
| Port Dimensions | 18.0" x 5.625" |
| Sub Cutout | 16.69" |
| Construction | Dense, uniform, void-free triple refined MDF panel |
| Finish | Ships bare / unfinished - sanded and ready to finish your way |
| Wiring | Pre-wired metal binding post with 10ga OFC wire |
| Dimensions (HxWxD) | 20.0" x 39.875" x 25.125" |
