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Description
Sundown Audio - X-Series v.4 15”The Sundown Audio XV4 15 Subwoofer delivers the ultimate low frequency experience for serious bass lovers. Built with the advanced X v. 4 coil design, this subwoofer offers extreme power handling and consistent performance under heavy loads. With up to 3000W RMS and 6000W peak power, it ensures clean, distortion free sound even at the highest volumes. The durable motor structure and optimized cone area (72. 58 in) provide deeper lows and better air
- The Sundown Audio XV4 15″ Subwoofer delivers the ultimate low-frequency experience for serious bass lovers. Built with the advanced X v.4 coil design, this subwoofer offers extreme power handling and consistent performance under heavy loads.
- With up to 3000W RMS and 6000W peak power, it ensures clean, distortion-free sound even at the highest volumes. The durable motor structure and optimized cone area (72.58 in²) provide deeper lows and better air displacement for maximum sound pressure.
- Engineered for flexibility, the XV4 15″ works best in ported enclosures (4.25 cu ft, tuned to 32 Hz) but can also be customized for complex box designs like 4th order setups. Every element — from the high-grade magnet to the precision voice coil — is crafted to deliver unmatched performance and reliability.
- Perfect for audiophiles and competitors seeking solid bass impact, this subwoofer combines engineering excellence and raw power in one package.
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15″ high-performance subwoofer with X v.4 coils
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3000W RMS / 6000W peak power handling
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35mm Xmax for strong linear excursion
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Optimized motor design (9.25″ diameter)
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Recommended ported box: 4.25 cu ft @ 32 Hz
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Robust cone design for high SPL output
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Ideal for competitive and high-end car audio systems
Parameter XV4 15D1 XV4 15D2 RMS Power 3000W 3000W Peak Power 6000W 6000W Displacement 0.26 cu.ft. 0.26 cu.ft. Mounting Depth 12.95″ 12.95″ Outside Diameter 15.51″ 15.51″ Cutout Diameter 13.93″ 13.93″ Motor Diameter 9.25″ 9.25″ Sealed Enclosure Not Recommended Not Recommended Ported Enclosure 4.25 cu ft 4.25 cu ft Recommended Port Tuning 32 Hz 32 Hz Recommended Port Area 68 sq in 68 sq in 4th Order Sealed Side 2.0 cu ft 2.0 cu ft 4th Order Ported Side 6.0 cu ft 6.0 cu ft 4th Order Port Area 120 sq in 120 sq in 4th Order Port Length 8″ 8″ Xmax 35mm 35mm SD (Cone Area) 72.58 in² 72.58 in² RE (Ohms) 3.2 3.74 FS (Hz) 29.91 29.51 Qes 0.55 0.49 Qms 4.87 4.08 Qts 0.49 0.44 BL (NA) 22.32 27.44 Mms (g) 457.51 538.24 CMS 61.87 54.02 Sensitivity 85.29 dB 85.1 dB T/S Specs RMS Power (D2)RMS Power (D1)Peak Power (D1)Peak Power (D2)RE D1 (Ohms)RE D2 (Ohms)FS D1 (Hz)FS D2 (Hz)VAS D1 (L)VAS D2 (L)Qes D1Qes D2Qms D1Qms D2Qts D1Qts D2Le D1 (mH)BL D1 (NA)BL D2 (NA)Mms D1 (Grams)Mms D2 (Grams)Cms D1 (uM/N)Cms D2 (uM/N)Sens D1 (dB @ 1w/1m)Sens D2 (dB @ 1w/1m)Xmax D1Xmax D2Subwoofer Measurements Displacement (Inches)Depth (Inches)Cutout (Inches)Motor Diameter (Inches)Ported Enclosure Specs Ported Enclosure SizeRecommended Port AreaRecommended Port Tuning4th Order Enclosure Specs 4th Order Sealed Side4th Order Ported Side4th Order Port Area4th Order Port Length
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 5
Easy to use 🥰🥰
Color: all black watch mens, Color: all black watch mens
“I love this OLEVS watch! It looks stylish, feels comfortable, and offers great quality for the price. Highly recommended!” ⌚✨
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Reviewed in the United States on May 29, 2026
★★★★★ 4
Stylish and eye-catching watch with great value
Color: blue watch for men
This watch looks much more premium than its price suggests. The blue dial combined with the two-tone stainless steel gives it a clean and elegant appearance, making it suitable for both formal and casual wear. The diamond accents add a nice touch without feeling overdone.
The quartz movement keeps accurate time, and the date feature is convenient for daily use. The luminous hands are helpful in low-light conditions as well.
The build quality feels solid, though the band may need adjustment for a perfect fit. Water resistance is fine for everyday situations like hand washing, but I wouldn’t rely on it for heavy water exposure.
Overall, a good-looking and functional watch that offers excellent value for the price.
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Reviewed in the United States on April 6, 2026
★★★★★ 5
Timeless precision
Color: silver watch for men, Color: silver watch for men
The watch combines a sleek design with practical functionality it’s chrome still casing feels durable, and the strap is comfortable for all day wear the dial is clear and easy to read with luminous hands that work well in low light the battery life is impressive and the timekeeping is accurate it excels as a reliable every day watch with a stylish look
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Reviewed in the United States on April 23, 2026
★★★★★ 5
Great watch, would recommend
Color: blue watches 58, Color: blue watches 58
I really like this watch because it looks amazing. It’s much lighter than I expected, so it’s comfortable to wear all day at school without feeling heavy. When I first got it, the metal band was a little bit squeaky, but after wearing it for a while, the noise completely
stopped. I had to remove a few links to make it fit my wrist, but the adjustment was actually really easy to do yourself. The clasp is great too it stays closed and it doesn’t pinch my skin at all. The blue and gold colors look awesome together, and it’s definitely a great watch for the price
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Reviewed in the United States on February 14, 2026
★★★★★ 5
My new favorite watch. Simple home improvement needed
Color: all black watch mens, Color: all black watch mens
Despite having many reknown brand watches in my collection, these inexpensive Olevs watches are now my favorite.
They look nice, cost practically nothing and so far are very accurate (10 day review). Little to worry about if lost or damaged.
PROS:
1. Inexpensive $40/each.
2. As stylish as other fashion watches 5x-10x more expensive.
3. Watch Crystal (i.e., glass) has a unique, faceted shape, which reflects light, feels "Manly" and matches faceted bezel.
4. Light weight and slim case; fits small wrists nicely (I have 6.4" wrists).
5. Accurate - two watches tracked over 10 days. Watch one: -7 seconds/10 days. Watch two: +2 seconds/10 days.
6. Illuminescent (i.e., glow-in-the-dark) hands and watch face look decent in dark.
CONS:
7. Lightweight and cheap material - durability is questionable, especially coatings.
8. Bracelet/band links have excessive gaps to each other and rattle badly, making watch noisy and embarrassing. *Home fix*
9. Faceted Crystal can make it difficult to see exact time, because of light reflection.
10. Single clasp on bracelet could easily open inadvertently, vs double clasp.
11. Crown is not threaded and spins freely, even when closed (doesn't change time); likely poor water proofing and crown can easily open.
12. Difficult to set time accurately; crown movement is figity and closing crown can cause hands to easily move.
13. Second hand doesn't exactly line up with tick marks making it difficult to know if actual time is before, or after tick mark.
*AT HOME FIX*:
To fix the noisy bracelet, simply cut to length a piece of waterproof medical tape 15-16mm (5/8") wide, then attach to inside of clean bracelet, while spreading the links apart with your finger (i.e., stretch band). Do this on each bracelet, but don't cover clasp. Tape will need to be replaced, as it gets dirty, but it makes watch quiet.
- Watch dimensions for collectors -
A) Case Diameter (to Crown): 44mm
B) Case Diameter: 42mm
C) Lug-to-Lug length: 50.5mm
D) Case Thickness (Top of Crystal): 12.6mm
E) Strap/Bracelet Width at Case: 20mm
F) Strap/Bracelet Width at Clasp: 18mm
G) Weight 6.4" wrist size: 100g (3.5oz)
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Reviewed in the United States on May 12, 2025