Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 13 - Jul 18
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Description
Sundown Audio - X-Series v.4 18”The Sundown Xv4 18 Subwoofer delivers unmatched power and control for serious bass enthusiasts. Built with high grade X v. 4 coils, this subwoofer is designed to handle up to 3000W RMS 6000W peak power, ensuring maximum output without distortion. Its optimized design enhances air movement and cooling, providing long lasting performance even under heavy use. The advanced motor structure and large cone area (SD 113. 41) create powerful low frequency
- The Sundown Xv4 18″ Subwoofer delivers unmatched power and control for serious bass enthusiasts. Built with high-grade X v.4 coils, this subwoofer is designed to handle up to 3000W RMS / 6000W peak power, ensuring maximum output without distortion.
- Its optimized design enhances air movement and cooling, providing long-lasting performance even under heavy use. The advanced motor structure and large cone area (SD 113.41) create powerful low-frequency response and clean sound reproduction.
- Perfect for sealed or ported enclosures, the Xv4 18″ gives you flexibility in setup and tuning — whether for SPL competition or everyday high-quality listening.
- Durable, reliable, and beautifully crafted, this subwoofer is the next-level upgrade your sound system deserves.
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18″ Xv4 Series Subwoofer
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3000W RMS / 6000W Peak Power
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Dual 1-Ohm or Dual 2-Ohm Voice Coil Options
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Precision-engineered X v.4 Coils for stability
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Heavy-duty motor with 9.25″ diameter
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Deep bass response with 35 mm Xmax
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Sealed or ported enclosure compatibility
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Recommended Port Tuning: 32 Hz
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Built for extreme durability and clean sound
Specification Value RMS Power 3000 W Peak Power 6000 W Displacement 0.28 cu ft Mounting Depth 15″ Outside Diameter 18.42″ Cutout Diameter 16.69″ Motor Diameter 9.25″ Sealed Enclosure Not Recommended Ported Enclosure 7.00 cu ft Recommended Port Tuning 32 Hz Recommended Port Area 112 sq in 4th Order Sealed Side 3.0 cu ft 4th Order Ported Side 9.0 cu ft 4th Order Port Area 180 sq in 4th Order Port Length 8″ Xmax 35 mm SD (Cone Area) 113.41 RE (Ohms) 2.05 / 3.74 FS (Hz) 25.87 / 25.58 VAS (L) 93.67 Qes 0.63 / 0.55 Qms 4.13 / 4.03 Qts 0.54 / 0.84 BL (NA) 19.74 / 26.8 Mms 737.81 / 656.74 Sensitivity 86 / 87 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 D2BL 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 1778 reviews
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Product Reviews
★★★★★ 5
Amazing lotion for the low price.
Size: 20.3 Fl Oz (Pack of 1)
Great everyday lotion and an excellent value for the price. The texture is light and creamy, not greasy, and it absorbs quickly. I like the scent, though scent preference is personal. Shipping was fast.
The only downside is the pump—it was difficult to open and required turning it counterclockwise, then clockwise, which was more effort than it should have been. Once it popped up, it works perfectly.
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Reviewed in the United States on January 25, 2026
★★★★★ 5
Best non greasy moisturizing lotion ever!!
Size: 20.3 Fl Oz (Pack of 1), Size: 20.3 Fl Oz (Pack of 1)
This lotion is honestly probably one of the best lotions I’ve ever used. I used it for the first time today immediately after my shower and it’s the perfect consistency not too thick or thin.. not full of water either which is good because my skin absorbs instantly! Most lotions sit on my skin and make me greasy and sweaty afterwards. It also smells like HEAVEN. Chocolaty and a hint of vanilla! I won’t be buying any other lotion this now!
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Reviewed in the United States on April 14, 2026
★★★★★ 4
Great moisturizer
Size: 20.3 Fl Oz (Pack of 1), Size: 20.3 Fl Oz (Pack of 1)
This cream is a great alternative to the more expensive name brand creams. I have ordered this a few times and I feel like it does a wonderful job keeping my skin feeling soft, nourished and moisturized until the next time I shower.
I do not feel as though my skin is greasy or oily after using this product. The cream does not feel thick or heavy on my skin. I am able to put a pair of pants on comfortably after using cream without feeling sticky.
The cocoa butter scent is light and not over powering. There are parts of my body that I have to avoid with the cream because I do have eczema, but this is something I have grown up with and I am used to.
I have purchased the cream twice, and unfortunately, the second time I bought it the pump top came a little bit destroyed (shown in photo). The product is still fully functional and will not determine from buying this again in the future!
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Reviewed in the United States on May 14, 2026
★★★★★ 5
Satisfied
Size: 20.3 Fl Oz (Pack of 1)
Great value. Lotion is non greasy - fast absorbing and will last thru handwashing, leaves skin revitalized and soft. The smell is not as pleasant as I would like and the bottle's size makes pumping difficult. But all in all it was a good buy and worth the cons.
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Reviewed in the United States on April 11, 2026
★★★★★ 5
High Quality Cocoa Butter Lotion
Size: 20.3 Fl Oz (Pack of 1)
This feels amazing on the skin, and works for every skin type. The application is very simple, and it lasts a long time ! The fragrance is sooo nice, and is almost exactly the same as the Vaseline version (as advertised on the bottle!).
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Reviewed in the United States on May 3, 2026
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