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AudioControl EPIC X8D4

600W Peak (400W RMS) 8" EPICX Series Dual 4-ohm Subwoofer

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• Peak Power: 600 watts
• RMS Power: 400 watts
• Impedance: Dual 4 ohm
• Non-Pressed Paper Cone
• Composite Foam Surround
• Mount depth: 4.1"
• Sensitivity: 84.1 dB

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$119.00

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Get a Free roll of Belva 16 Gauge Speaker Wire. Simply click the "Add Both to Cart" button and you will see your savings at checkout. This offer cannot be combined with any other coupons or offers.

AudioControl EPIC X8D4

100% off


Priced separately $131 99

Promo Savings of $12 99

Total price:

$119 00

Description


AudioControl brand icon

Authorized dealer


AudioControl EPIC X8D4

Experience the perfect fusion of relentless output and refined audio quality with the all-new EPICX Series Subwoofers from AudioControl. Built for those who demand more than just loud, these subs deliver tight, accurate, low-end response that hits hard and stays clean, even at extreme volume. Precision-engineered from the ground up, these subwoofers feature non-pressed paper cones, heavy-duty motor structures, and high-quality components that withstand heavy demand. Every element is optimized for output, efficiency, and durability, producing a sub that overachieves at every level!

If you’re pushing the limits in competition or want a system that dominates on the street, EPICX Series is made for you. These subs handle power without breaking a sweat, delivering the kind of deep, aggressive bass that turns heads. Crafted with AudioControl’s legacy of build quality and innovative design at its core, the EPICX Series brings performance without sacrificing clarity. Built for those who love loud. No gimmicks — just raw, responsive performance you can count on.


Product Details:

  • 8" Dual 4 ohm EPICX Series Subwoofer
  • Power Handling:
    • Peak: 600 watts
    • RMS: 400 watts
    • Minimum: 200 watts
  • Non-Pressed Paper Cone for added warmth and depth
  • Composite Foam Surround for smooth, controlled bass
  • 2" High Temperature Copper Voice coil
  • 9.25 mm Xmax
  • Double Stacked Ferrite magnet motor structure
  • High-precision motor assembly for improved efficiency and output
  • Rigid steel basket for strength and reduced resonance
  • One piece dust cap design for rigidity and heat dissipation
  • Large gauge, quick-release black nickel terminals
  • Show car approved subwoofer
  • Best paired with AudioControl Epicenter Black (sold separately)
  • Available in dual 2-ohm AudioControl EPIC X8D2 (sold separately)
  • Resonance Frequency (Fs): 47.6 Hz
  • Sensitivity: 84.1 dB
  • Recommended sealed box volume: 0.25 cubic feet - 0.65 cubic feet
  • Recommended ported box volume: 0.71 cubic feet
  • Top-mount depth: 4.1"
  • Cutout diameter: 7.13"
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

  • Priced Individually

Subwoofer Wiring Guide


Wiring Guide to Wire 1 AudioControl EPIC X8D4 Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 AudioControl EPIC X8D4 Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp - Bridged

Wiring Guide to Wire 3 AudioControl EPIC X8D4 Subwoofers

Mono Amp

4 Channel Amp

Wiring Guide to Wire 4 AudioControl EPIC X8D4 Subwoofers

Mono Amp

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp


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Specifications & Details


Subwoofer Specifications
Series
EPICX Series
Subwoofer Size
8"
Peak Power Handling
600 watts
RMS Power Handling
400 watts
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
4 ohm
Voice Coil Material
Copper
Voice Coil Diameter
2"
Sensitivity
84.1 dB
Xmax (millimeters)
9.25 mm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Woofer Composition
Non-Pressed Paper
Woofer Surround
Composite Foam
Magnet Structure
Double Stacked
Magnet Type
Ferrite
Subwoofer Grille
No
CTA-2031 Compliant
No
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Sealed
Minimum Sealed Box Volume
0.25 cubic feet
Optimum Sealed Box Volume
0.40 cubic feet
Maximum Sealed Box Volume
0.65 cubic feet
Optimum Ported Box Volume
0.71 cubic feet
Top-Mount Depth (Mounting Depth)
4.1"
Cutout Diameter
7.13"
Shallow Mount Installation
No
T/S Parameters (Electromechanical)
Free-Air Resonance (Fs)
47.6 Hz
Equivalent Compliance (Vas)
8.64 liters
Total Speaker Q Value (Qts)
0.518
Electrical Q Value (Qes)
0.572
Electrical Resistance of Voice Coil (Re)
6.4 ohm
Mechanical Q Value (Qms)
5.45
What is in the box?
Paperwork
Quick start guide
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:

EPIC X8D4

Weight:

0.01lbs

Internal SKU:

epicx8d4

Internal Product ID:

226108

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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

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