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Sundown Audio

SUNDOWN AUDIO XV4 18 INCH Subwoofer D2 | 3000W RMS Subwoofer

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SKU:
SW-XV418D2
MPN:
SW-XV418D2
Condition:
New
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  • Sundown Audio SUNDOWN AUDIO XV4 18 INCH Subwoofer D2 | 3000W RMS Subwoofer
  • Sundown Audio SUNDOWN AUDIO XV4 18 INCH Subwoofer D2 | 3000W RMS Subwoofer
  • Sundown Audio SUNDOWN AUDIO XV4 18 INCH Subwoofer D2 | 3000W RMS Subwoofer
  • Sundown Audio SUNDOWN AUDIO XV4 18 INCH Subwoofer D2 | 3000W RMS Subwoofer
  • Sundown Audio SUNDOWN AUDIO XV4 18 INCH Subwoofer D2 | 3000W RMS Subwoofer
  • Sundown Audio SUNDOWN AUDIO XV4 18 INCH Subwoofer D2 | 3000W RMS Subwoofer
  • Sundown Audio SUNDOWN AUDIO XV4 18 INCH Subwoofer D2 | 3000W RMS Subwoofer
  • Sundown Audio SUNDOWN AUDIO XV4 18 INCH Subwoofer D2 | 3000W RMS Subwoofer
  • Sundown Audio SUNDOWN AUDIO XV4 18 INCH Subwoofer D2 | 3000W RMS Subwoofer
Now: $633.38
Was: $791.72

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Description

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 and 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.

Key Features

  • 18″ Xv4 Series Subwoofer

  • 3000W RMS / 6000W Peak Power

  • Dual 1-Ohm or Dual 2-Ohm Voice Coil Options

  • Precision-engineered X v.4 Coils for stability

  • Heavy-duty motor with 9.25″ diameter

  • Deep bass response with 30 mm Xmax

  • Sealed or ported enclosure compatibility

  • Recommended Port Tuning: 32 Hz

  • Built for extreme durability and clean sound

Technical Specifications

SpecificationValue
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 30 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

 

Specifications for product X-Series XV4 18" 3000W RMS Subwoofer
T/S Specs
RMS Power (D2)
3000
RMS Power (D1)
3000
Peak Power (D1)
6000
Peak Power (D2)
6000
RE D1 (Ohms)
2.05
RE D2 (Ohms)
3.74
FS D1 (Hz)
25.87
FS D2 (Hz)
25.58
VAS D1 (L)
93.67
VAS D2 (L)
1.7.58
Qes D1
0.63
Qes D2
0.55
Qms D1
4.13
Qms D2
4.03
Qts D1
0.54
Qts D2
0.84
BL D1 (NA)
19.74
BL D2 (NA)
26.8
Mms D1 (Grams)
737.81
Mms D2 (Grams)
656.74
Cms D1 (uM/N)
51.28
Cms D2 (uM/N)
58.9
Sens D1 (dB @ 1w/1m)
86
Sens D2 (dB @ 1w/1m)
87
Xmax D1
30mm
Xmax D2
30mm
Subwoofer Measurements
Displacement (Inches)
0.28cu.ft.
Depth (Inches)
15"
Cutout (Inches)
16.69"
Motor Diameter (Inches)
9.25"
Ported Enclosure Specs
Ported Enclosure Size
7.00 cu ft
Recommended Port Area
112 sq in
Recommended Port Tuning
32 hz
4th Order Enclosure Specs
4th Order Sealed Side
3.0cu ft
4th Order Ported Side
9.0cu ft
4th Order Port Area
180sq in
4th Order Port Length
8"
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Warranty Information

Warranty Information

Sundown Audio requires us to send customers with equipment problems directly to them for all warranty and non-warranty claims. Please follow their proceedures..

 

Sundown Audio RMA form: https://sundownaudio.com/support/return-authorization-form/

Sundown Audio Product Warranty Information: https://sundownaudio.com/warranty/

 

Sundown Audio - Hours of Operation

Monday 9am - 5pm EST
Tuesday 9am - 5pm EST
Wednesday 9am - 5pm EST
Thursday 9am - 5pm EST
Friday 9am - 5pm EST
Saturday Closed
Sunday Closed
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