AudioControl EPICX8D4 EPICX Series Car Audio 8" Subwoofer, 400 Watt RMS/600 Watt Max, 4 Ohm, Dual Voice Coil (DVC)
Compact in size but big on performance, the EPICX8D4 delivers tight, responsive bass with 400 watts of RMS power. Its dual 4-ohm voice coils offer flexible wiring options, while the rugged build ensures long-lasting performance. Perfect for sealed or ported enclosures, this subwoofer is ideal for audio enthusiasts looking to add clean, punchy low-end to their system.
Features:
- Composite Foam Surround for Smooth, Controlled Bass
- High-Precision Motor Assembly Improves Efficiency and
Output - Rigid Steel Basket for Strength and Reduced Resonance
- High-Temperature, Lightweight Voice Coil
- One-Piece Dust Cap Design
- Non-Pressed Paper Cone for Added Warmth and Depth
- Large-Gauge, Quick-Release Black Nickel Terminals
- Pair with The EPICENTER® for Unmatched Bass
Specifications:
Model: EPICX8D4
Subwoofer Size: 8 inches
Voice Coil: Dual Voice Coil (DVC)
Impedance: 4 Ohm
Power Handling: RMS: 400 Watts Peak: 600 Watts
Design: Compact, high-performance subwoofer for tight, accurate bass
Application: Ideal for sealed or ported enclosures
| Specification | Details |
|---|---|
| Product Name | AudioControl EPICX8D4 8″ Subwoofer |
| UPC | 850038647995 |
| Model | EPICX8D4 (Dual 4 Ω voice coil) |
| Subwoofer Size | 8 in / 200 mm |
| Impedance | Dual Voice Coil – 4 Ω |
| Power Handling | 400 W RMS / 600 W peak |
| Cone Material | Non-pressed fiber-matrix, mica-coated paper |
| Surround | Composite foam, double-stitched |
| Basket | Heavy-duty rigid steel to reduce resonance |
| Motor & Cooling | High-precision motor assembly with radial cooling |
| Dust Cap | One-piece design with compression control |
| Terminals | Large-gauge, quick-release black nickel |
| Resonance Frequency (Fs) | ~47 Hz |
| Efficiency (Sensitivity) | ~83.5 dB @ 1 W/1 m |
| Overall Diameter (OD) | 8.46″ / 215 mm |
| Cutout Diameter | 7.13″ / 181 mm |
| Mounting Depth | 4.1″ / 103.9 mm |
| Mounting Height | 0.8″ / 20 mm |
| Recommended Enclosures | • Sealed: ~0.65 ft³ (16″ W × 10.5″ H × 7.5″ D) • Ported: ~0.71 ft³, slot-vent tuned to ~40 Hz |
| Application | Ideal for compact sealed or ported setups—tight, impactful, clean bass |
| Country of Manufacture | USA (AudioControl products are U.S.–designed and built) |
SKU: AC-EPICX8D4
UPC: 850038647995
Free shipping is available within the 48 U.S. states. Orders placed before 11 PM ET are typically processed the next business day and arrive within 5–8 business days. Tracking information will be provided as soon as your order ships.
Need to make a change to your order? Contact us within 24 hours of purchase, and we'll be happy to help. Please note that orders already processed for shipment cannot be canceled.
1-Year Limited Warranty: As an authorized dealer, we provide a 1-year limited warranty covering manufacturer defects in materials and workmanship under normal use. The warranty does not cover physical damage, misuse, improper installation, or normal wear and tear.
Customer Support : 9:00 am to 5:00 pm
Address: 13446 Alondra Boulevard, Cerritos ,California 90703, United States
Email: info@eliteautogear.com
For technical support questions, contact us at cs@eliteautogear.com
Phone: (877)-215-8187
From Our Community
Real Installs. Real Sound.
See what enthusiasts are saying — straight from their builds
Low End You Can Feel
Bass Built for Daily Driving and Competition
Controlled Low End
Designed for tight, repeatable bass rather than one-note boom, so basslines and kick drums stay separate.
Built to Take Power
Voice coil, spider and cone materials are matched to the rated RMS so the sub handles sustained output.
Match the Enclosure
Performance depends on the box. Sealed for accuracy, ported for output. See the specs for recommended volume and tuning.
Wire It Right
Coil configuration decides your final impedance. Match it to a load your amplifier is stable at before wiring.
