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Sundown Audio X-18 v3 D2 18" 2000W RMS Dual 2-Ohm Subwoofer

  • Based on 8 reviews
Condition: New
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Availability: Only 2 left in stock, order soon!
Fulfilled by D-C-O

Arrives Wednesday, Feb 4
Order within 5 hours and 53 minutes
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Features

  • 18" subwoofer made inchina
  • 2 Years Warranty

Description

X-18 V.3 D2 - Sundown Audio 18" 2000W RMS Dual 2-Ohm Xv.3 Series Subwoofer Specifications: DC Resistance (Re): 3.80 Ω Resonance Frequency (Fs): 26.4 Hz Equivalent Volume (Vas): 154.0 L Electrical Q Factor (Qes): 0.44 Mechanical Q Factor (Qms): 5.16 Total Q Factor (Qts): 0.40 Voice Coil Inductance (Le): 2.71 mH Force Factor (BL): 25.4 NA Moving Mass (incl. Air Load) (Mms): 449.0 g Suspension Compliance (Cms): 0.08 mm/N Sensitivity: 90.0 dB 1w / 1m Box Recommendations: Sealed: N/A Ported: 7.00 cu. ft. Displacement: 0.23 cu. ft. Depth: 10.25 in Outside Diameter: 18.42 in Cutout Diameter: 16.69 in Recommended Tuning: 32 Hz Recommended Port Area: 112 sq. in

Brand: Sundown Audio


Speaker Maximum Output Power: 2000 Watts


Connectivity Technology: RCA, XLR


Audio Output Mode: Stereo


Mounting Type: Flush Mount


Model Name: Xv3


Speaker Type: Subwoofer


Recommended Uses For Product: Volume


Compatible Devices: ['Home Theater', 'Amplifier', 'Audio Receiver']


Subwoofer Diameter: 18 Inches


Surround Sound Channel Configuration: 2.0


Included Components: Subwoofer


Product Dimensions: 10.25"D x 18.42"W x 18.42"H


Item Weight: 80 Pounds


Impedance: 2 Ohms


Is Waterproof: FALSE


Warranty Type: Limited


Number of Items: 1


Control Method: Voice


Wireless Communication Technology: No Wireless Communication Technology


Speaker Size: 18 Inches


Power Source: Corded Electric


Woofer Diameter: 18 Inches


Audio Driver Type: Dynamic Driver


Audio Driver Size: 18 Inches


Subwoofer Connectivity Technology: Wired


Number Of Circuits: 1


Series Number: 3


Manufacturer: Sundown Audio


Shape: Cylindrical


Set Name: X v.3


Item Weight: 80 pounds


Item model number: X-18v3D2


Date First Available: September 10, 2021


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Feb 4

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Ported for competition sealed for music quality and bandwidth
I put them in the trunk of my crown Victoria I have two in a sealed box facing towards the trunk lid. My trunk lid is not thrilled about it. Lots of people say ported is the way to go but I listen to all types of music so a full bandwidth is important. Fourth order 6th order for plain old sealed they bang ... show more
Reviewed in the United States on March 21, 2025 by Kevin Foster

  • Home Theater and Music
I purchased this to add some SPL to my HT it is in addition to 2 Klipsch 15's and another Sundown 15. This 18 did exactly what I got it for...added much needed SPL to the room. I built an enclosure 20% Larger than Sundown's suggested 7 FT3 and tuned it to 36hz so it peaks around 40hz but does really well down to 20. It is powered by a Dayton SPA 1000 and at the 1000+ dynamic power is just insane. With music it fills in those low bass notes and hard hitting kick drums in a way those Klipsch 15's cant. Well worth the time, money, and effort. ... show more
Reviewed in the United States on September 5, 2022 by Spencer Harris Spencer Harris

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