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Sundown Audio X-8 v.3 D4 8" (X8V3D4)

800W RMS 8" X Series V3 Dual 2-ohm Car Subwoofer (XV38D4)

Sundown Audio
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• RMS Power: 800 watts
• Impedance: Dual 4 ohm
• Polypropylene Cone
• FEA optimized spider and surround
• Mount depth: 6.8"
• Sensitivity: 81.8 dB

Learn more about the xv38d4
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List price $467.99
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$389.99

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Description


Sundown Audio brand icon

Authorized dealer


Sundown Audio X-8 v.3 D4 8"

The X-8 v.3 is widely regarded as one of the top-performing 8" subwoofers on the market, and remains a fan favorite after over four years of continuous production. It outclasses the previous v1 and v2 models in every way, thanks in large part to its finely FEA-optimized spider and surround—key elements in delivering tight, controlled excursion. Built on Sundown’s custom-tooled 8" frame, the X-8 v.3 pushes the platform to its absolute limit. The motor and coil support ~20mm of one-way linear excursion and up to 2.4" peak-to-peak before the coil exits the gap. An aluminum shorting ring and other proprietary features help reduce distortion. Its 800-watt RMS rating is conservative for what it can truly handle.


Product Details:

  • 8" Dual 4 ohm X Series Subwoofer
  • Power Handling:
    • RMS: 800 watts
  • Polypropylene Cone
  • FEA optimized spider and surround
  • Designed on a custom-tooled 8" frame
  • Motor and coil are capable of 20mm of linear x-max one-way
  • Features an aluminum magnet ID shorting ring
  • 19 mm Xmax
  • Resonance Frequency (Fs): 49.6 Hz
  • Sensitivity: 81.8 dB
  • Recommended sealed box volume: 0.3 cubic feet - 0.4 cubic feet
  • Recommended ported box volume: 0.75 cubic feet - 1 cubic feet
  • Top-mount depth: 6.8"
  • Cutout diameter: 7.36"
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

  • Priced Individually

Subwoofer Wiring Guide


Wiring Guide to Wire 1 Sundown Audio X-8 v.3 D4 8" (X8V3D4) Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Sundown Audio X-8 v.3 D4 8" (X8V3D4) Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Sundown Audio X-8 v.3 D4 8" (X8V3D4) Subwoofers

Mono Amp

4 Channel Amp

Wiring Guide to Wire 4 Sundown Audio X-8 v.3 D4 8" (X8V3D4) Subwoofers

Mono Amp

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp


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Specifications & Details


Subwoofer Specifications
Series
X Series
Subwoofer Size
8"
RMS Power Handling
800 watts
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
4 ohm
Sensitivity
81.8 dB
Xmax (millimeters)
19 mm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Woofer Composition
Polypropylene
Subwoofer Grille
No
Re-Cone Kit Available
No
CTA-2031 Compliant
No
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Sealed
Minimum Sealed Box Volume
0.3 cubic feet
Maximum Sealed Box Volume
0.4 cubic feet
Minimum Ported Box Volume
0.75 cubic feet
Maximum Ported Box Volume
1 cubic feet
Top-Mount Depth (Mounting Depth)
6.8"
Cutout Diameter
7.36"
Shallow Mount Installation
No
T/S Parameters (Electromechanical)
Free-Air Resonance (Fs)
49.6 Hz
Equivalent Compliance (Vas)
3.2 liters
Total Speaker Q Value (Qts)
0.36
Electrical Q Value (Qes)
0.4
Electrical Resistance of Voice Coil (Re)
6 ohm
Mechanical Q Value (Qms)
3.32
What is in the box?
Paperwork
User manual
WITB: Subwoofers
Subwoofer
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

XV38D4

Weight:

0.77lbs

Internal SKU:

xv38d4

Internal Product ID:

223420

Customer Ratings & Reviews


Sundown Audio X-8 v.3 D4 8

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Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.