AudioControl EPIC4000 Review: Specifications, Installation and Comparisons
Quick summary: the buying decision
The EPIC4000 is a 1-ohm-stable Class D monoblock from AudioControl's EPIC series: 1,000 W RMS at 4 ohm, 2,000 W RMS at 2 ohm and 4,000 W RMS at 1 ohm. It includes an ACR-E remote bass knob and EPIC Boost bass EQ, and it takes line-level inputs, so a factory head unit needs a line output converter.
AudioControl EPIC4000: what it is
The AudioControl EPIC4000 is a competition-grade Class D monoblock amplifier, stable down to 1 ohm and rated at 1,000 W RMS at 4 ohm, 2,000 W RMS at 2 ohm and 4,000 W RMS at 1 ohm. It is built with oversized components and advanced thermal management for sustained high output.
EPIC monoblocks share 12 dB/octave Linkwitz-Riley low-pass (40 to 180 Hz) and subsonic (off to 50 Hz) filters, EPIC Boost (30 to 80 Hz, 0 to 12 dB), an Epicenter Link for AudioControl's The Epicenter bass restoration processor, smart auto-reset protection and an included ACR-E remote. The EPIC4000 is the competition model of the range.
Key features
12 dB/octave Linkwitz-Riley variable low-pass (40 – 180 Hz) and subsonic (off to 50 Hz) filters
EPIC Boost variable-frequency bass EQ: 30 – 80 Hz, 0 to +12 dB
Epicenter Link harness included for The Epicenter bass restoration processor (sold separately), with 1 A fuse protection
ACR-E remote level control included; smart auto-reset protection circuit
Installation needs two 0-gauge power and two 0-gauge ground wires, each power wire fused at 200 A within 12 in of the battery
Specifications explained
Rated power at 14.4 V is 1,000 W at 4 ohm, 2,000 W at 2 ohm and 4,000 W at 1 ohm. AudioControl quotes a frequency response of 10 Hz – 190 Hz and a signal-to-noise ratio of 104.8 dBA (ref. 1,000 W at 4 ohm).
Line-level inputs accept 0.5 – 12 V RMS.
Full specifications as published by AudioControl:
Model: EPIC4000
Type: Monoblock Class D competition subwoofer amplifier
RMS power at 14.4 V, 4 ohm: 1 x 1,000 W
RMS power at 14.4 V, 2 ohm: 1 x 2,000 W
RMS power at 14.4 V, 1 ohm: 1 x 4,000 W
Rated at: Less than 1% THD
Line-level inputs: 0.5 – 12 V RMS
Frequency response (±1 dB): 10 Hz – 190 Hz
Signal-to-noise ratio: 104.8 dBA (ref. 1,000 W at 4 ohm)
Low-pass filter: 12 dB/octave Linkwitz-Riley, 40 – 180 Hz
Subsonic filter: 12 dB/octave Linkwitz-Riley, off to 50 Hz
EPIC Boost: 30 – 80 Hz, 0 to 12 dB
Power / ground wire: 0 AWG (two power and two ground wires)
Speaker terminal wire: 8 AWG
Recommended fuse: 2 x 200 A or 1 x 400 A
Remote level control: ACR-E (included)
Dimensions (L x W x H): 21 x 6.1 x 2.04 in (533 x 155 x 52 mm), excluding connectors
In the box: EPIC4000, wrench, screws, ACR-E remote level control and cable, Epicenter Link (1 m harness), user manual
Matching subwoofers and impedance
Decide the final impedance first: power rises as impedance falls, from 1,000 W at 4 ohm to 4,000 W at 1 ohm. It is meant for competition-style systems with several high-power subwoofers; plan the subwoofer wiring, enclosure and electrical system together.
Filters, EPIC Boost and remote
Set the low-pass filter to blend with the front speakers and use the subsonic filter to protect subwoofers, especially in ported boxes. EPIC Boost adds up to 12 dB around a chosen frequency between 30 and 80 Hz; every 3 dB of boost needs twice the power, so use it carefully. The included ACR-E remote adjusts bass level from the driver's seat.
Wiring, fusing and the electrical system
The EPIC4000 needs two 0-gauge power wires and two 0-gauge ground wires, with each power wire fused at 200 A within 12 inches of the battery (or one 400 A fuse, per AudioControl's fuse options). At 4,000 W RMS, the vehicle's charging system matters as much as the amplifier: check the alternator output and battery capacity, and plan upgrades before chasing peak output. The chassis measures 21 x 6.1 x 2.04 in (533 x 155 x 52 mm), excluding connectors.
How it compares
Other subwoofer amplifiers at VA3 Car Studio:
AudioControl EPIC750: 1 x 300 W RMS at 4 ohm, 1 x 500 W at 2 ohm, 1 x 750 W at 1 ohm, ₹27,190
AudioControl EPIC1000: 1 x 400 W RMS at 4 ohm, 1 x 700 W at 2 ohm, 1 x 1,000 W at 1 ohm, ₹33,990
AudioControl EPIC2000: 1 x 800 W RMS at 4 ohm, 1 x 1,400 W at 2 ohm, 1 x 2,000 W at 1 ohm, ₹59,490
AudioControl A800.1: 1 x 400 W RMS at 4 ohm, 1 x 600 W at 2 ohm, 1 x 800 W at 1.33 ohm, ₹42,490
AudioControl A1500.1: 1 x 600 W RMS at 4 ohm, 1 x 1,200 W at 2 ohm, 1 x 1,500 W at 1 ohm, ₹55,240
Price and value in India
At the time of writing (October 2026), VA3 Car Studio lists the EPIC4000 at ₹89,240, 15% below the MRP of ₹1,04,990. The EPIC range gives a lot of power per rupee; remember to budget for wiring and, at higher outputs, electrical upgrades. Prices can change, so the product page always shows the current price.
Verdict: who should shortlist the EPIC4000
The EPIC4000 is a competition amplifier: shortlist it only if the subwoofers, enclosure and electrical upgrades are part of the same plan.
Real-world reviews and limitations
We have not yet published a VA3 installation report for the EPIC4000. The figures in this review are AudioControl's published specifications, not our own measurements, and real-world results depend on the installation, the wiring and the tune. If you have used one, we would welcome your feedback.
Frequently asked questions
How much power does the EPIC4000 deliver?
1,000 W RMS at 4 ohm, 2,000 W RMS at 2 ohm and 4,000 W RMS at 1 ohm (14.4 V).
Is the EPIC4000 1-ohm stable?
Yes. AudioControl rates it at 4,000 W RMS at 1 ohm.
Does the EPIC4000 include a bass remote?
Yes. An ACR-E remote level control and cable are included.
Can the EPIC4000 connect to a factory head unit?
Its inputs are line level (0.5 – 12 V RMS). With a factory head unit, use a line output converter such as the AudioControl LC2i PRO.
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