Garage
Shop

AudioControl EPIC X8D4

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

AudioControl
Shop all AudioControl
Only 1 Left!
highlight-star-icon

• 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

Learn more about the epicx8d4
Light bulb Icon

Discover more. Set your vehicle.

Thanks , You Pay:

$119.00

 with warranty
Starting at $11/mo or 4 payments of $30 Buy now, pay later and installment payment plans are offered by Afterpay and Affirm. Learn more

Heads up

We confirm fitment and offer accessories for speakers. Please set your vehicle first if you would like to purchase more than one epicx8d4.

Set your vehicle or Return to product page
shipping truck icon Free shipping in USA. Provide zip for delivery date.
Quantity
In Stock. Only 1 Left!
Brand new

Buy it now

NSW84v3 main
NVX NVX NSW84 Version 3 (NSW84v3) 800W Peak (400W RMS) 8" N-Series v3 Dual 4-ohm Car Subwoofer

(4)

$69.99 $107.99
Sponsored

Acima Logo

No Credit Option

Flexible Lease Payments

Early Purchase Options

Quick Approval Decision

Extend logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Hassle-free immediate replacement within minutes!
  • Easy online claims 24/7
  • Covers product breakdowns and failures
Swoosh Icon Icon of Swoosh

For over 25 years, we've been your X-Factor – the team dedicated to having the biggest impact on your shopping experience!

Award winning icon
Award-Winning Service
Shipping icon
FREE Shipping Orders $49+
60 days return policy icon
60-Day Easy Returns
lowest price guarantee icon
Guaranteed Lowest Price
inHouseExpert
In-House Experts
NVX - Worth the Envy - Direct to Consumer Car Audio

Current Promotions (1 offer)


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


Best selling similar products

VCW82v3 small

NVX VCW82 Version 3 (VCW82v3)

• Peak Power: 1300 watts
• RMS Power: 650 watts
• Impedance: Dual 2 ohm
• Carbon Fiber Enhanced Non-Pressed Paper Cone
• High Roll Foam Surround with black nylon stitching
• Mount depth: 5.31"
• Sensitivity: 83 dB (1W/1m)

(12)

$169.99

List price $203.99

R2-W8D2 small

Alpine R2-W8D2

• Peak Power: 1000 watts
• RMS Power: 350 watts
• Impedance: Dual 2 ohm
• Kevlar Reinforced Pulp Paper Cone
• High-Amplitude Multi-Roll (HAMR) Surround
• Mount depth: 4.56"
• Sensitivity: 83.6 dB

$239.95

List price $360.00

R2-W8D4 small

Alpine R2-W8D4

• Peak Power: 1000 watts
• RMS Power: 350 watts
• Impedance: Dual 4 ohm
• Kevlar Reinforced Pulp Paper Cone
• High-Amplitude Multi-Roll (HAMR) Surround
• Mount depth: 4.56"
• Sensitivity: 83.7 dB

$239.95

List price $360.00

VCW84v3 small

NVX VCW84 Version 3 (VCW84v3)

• Peak Power: 1300 watts
• RMS Power: 650 watts
• Impedance: Dual 4 ohm
• Carbon Fiber Enhanced Non-Pressed Paper Cone
• Custom High Roll Foam Surround with black nylon stitching
• Mount depth: 5.31"
• Sensitivity: 83 dB (1W/1m)

(15)

$169.99

List price $203.99

L7S82 small

Kicker L7S82 (44L7S82)

• Peak Power: 900 watts
• RMS Power: 450 watts
• Impedance: Dual 2 ohm
• Injection Molded Polypropylene Cone
• Ribbed Santoprene Surround
• Mount depth: 4-3/4"
• Sensitivity: 82.37 dB

(1)

$175.96

List price $239.99

8W3V3-4 small

JL Audio 8W3V3-4

• RMS Power: 250 watts
• Impedance: Single 4 ohm
• Mineral-Filled Polypropylene Cone
• Nitrile Butadiene Rubber NBR Surround
• Mount depth: 4.63"
• Sensitivity: 83.24 dB

(45)

$349.99

List price $349.99

SW-EV68D2 small

Sundown Audio E8 v.6 D2 8" (E8V6D2)

• Peak Power: 800 watts
• RMS Power: 400 watts
• Impedance: Dual 2 ohm
• Pressed Paper Cone
• Pressed Foam Surround
• Mount depth: 4.98"
• Sensitivity: 82.4 dB

$169.99

List price $203.99

DB-SA2508 D1 small

Deaf Bonce Apocalypse DB-SA2508 D1

• Peak Power: 1600 watts
• RMS Power: 800 watts
• Pressed Paper Cone
• Foam Surround
• Impedance: Dual 1 ohm
• Mount depth: 5.22"
• Sensitivity: 84.7 dB

(1)

$229.90

List price $229.90

DES84 small

Diamond Audio DES84

• Peak Power: 500 watts
• RMS Power: 250 watts
• Fiber-Reinforced High Strength Paper Cone
• Impedance: Dual 4 ohm
• Sensitivity: 82.1 dB

$239.99

List price $219.99

KAPPA 83WDSSI small

Infinity Kappa 83WDSSI (INFSUBKA83WDSSIAM)

• Peak Power: 1200 watts
• RMS Power: 400 watts
• Impedance: Single 2 or 4 ohm
• Glass Fiber Cone
• Rubber Surround
• Mount depth: 5.42"
• Sensitivity: 91 dB

(2)

$149.95

List price $289.95

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

Customer Ratings & Reviews


AudioControl EPIC X8D4 thumbnail image

5 star
0%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
0
Value
0
Features
0
Design
0
Usability
0

Customer Reviews

Sort by:

Loading...
Sorry, no reviews found


NSW84v3 main

NVX NSW84 Version 3 (NSW84v3)

• Peak Power: 800 watts
• RMS Power: 400 watts
• Impedance: Dual 4 ohm
• Enhanced Pressed Paper Cone
• High Roll Foam Surround
• Mount depth: 4.98"
• Sensitivity: 85 dB

(4)

$69.99

List price $107.99

EPIC X8D2 main

AudioControl EPIC X8D2

• Peak Power: 600 watts
• RMS Power: 400 watts
• Impedance: Dual 2 ohm
• Non-Pressed Paper Cone
• Composite Foam Surround
• Mount depth: 4.1"
• Sensitivity: 83.6 dB

$119.00

List price $119.00


SST.692 small

Soundstream SST.692

360W Peak (180W RMS) 6" x 9" 2-Way SST Series Coaxial Car Speakers

(2)

$64.20

List price $139.95

SS5 small

MTX SS5

250W RMS 5.25" Signature Series 2 Way Component 4-ohm System

(1)

$499.95

List price $449.95

BPI-12DV small

Atrend BPI-12DV

12" Black Ice Series Hatchback Style Dual Vented Custom Finished Carbon Fiber Subwoofer Enclosure

$149.95

List price $229.95

15KS small

Atrend 15KS

Empty Single 15" Sealed Enclosure for Kicker L7R and L7S Series Subwoofers

(1)

$84.99

List price $119.99

90.4 small

DC Audio 90.4

520W RMS Class AB Competition Series 4-Channel Car Amplifier (with Bass Remote)

(3)

$499.99

List price $621.50

JS68K small

Jensen JS68K

500W Peak (120W RMS) 6x8" Apex Series 3 Way Coaxial Car Speakers

$139.99

List price $167.99

EPIC X12D4 small

AudioControl EPIC X12D4

750W Peak (500W RMS) 12" EPICX Series Dual 4-ohm Subwoofer

$159.00

List price $159.00

Related Searches


Save up to 10 different vehicles in your garage

Add vehicle
Loading...
Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon

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

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

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