AudioControl Epicenter Plus Bass Processor
Discontinued bass restoration LOC with aux input and ACR-2
$199.99$249.99 (-20%)
Overview
The AudioControl Epicenter Plus is a discontinued bass restoration processor with OEM interface features that convert speaker-level signals to high-quality preamp outputs. Patented bass restoration, GTO signal sensing, an auxiliary input, PFM subsonic filter, and an included ACR-2 dash remote support factory upgrades that need More Bass, LOUDER. Specifications follow AudioControl archive documentation.
Product details
Bass restoration with OEM inputs
Features include patented bass restoration circuitry, speaker-level inputs for factory systems (up to 400 W at 4 Ω), balanced preamp inputs, an auxiliary input for secondary sources, GTO signal sensing, a 12 V trigger output, dash-mount control, and a PFM subsonic filter.

Measured performance
Preamp and aux inputs: 1 pair each; max input 9.5 Vrms; input impedance 20 kΩ. Preamp outputs: 1 pair at up to 9.5 Vrms; output impedance 150 Ω. THD 0.003%, response 10 Hz–22 kHz, SNR 110 dB. Current draw 285 mA; recommended fuse 2 A. Dimensions 8”W x 6.25”D x 1.15”H; weight 3.5 lbs.

In the box
The Epicenter Plus, ACR-2 remote, power connector, and manual.
Key features
- Discontinued Epicenter bass restoration processor with OEM interface
- Speaker-level inputs accept up to 400 W at 4 Ω
- Auxiliary input for iPod/MP3/satellite-style secondary sources
- GTO signal-sensing inputs for automatic turn-on
- PFM subsonic filter and balanced preamp inputs
- 12 V trigger output when the unit is on
- ACR-2 dash remote included contents
- Max preamp output 9.5 Vrms; THD 0.003%; SNR 110 dB
- Chassis 8 in W x 6.25 in D x 1.15 in H; weight 3.5 lbs
Specifications
| Weight | 1.8 lbs |
|---|---|
| Dimensions | 8.0 × 5.5 × 1.2 in |
| Brand | AudioControl |
| Model | The Epicenter Plus |
| SKU | EPICPLUS |
| UPC | 855814005877 |
| Product type | Bass restoration processor / LOC |
| Status | Discontinued |
| Remote | ACR-2 included |
| Max preamp output | 9.5 Vrms |
| THD | 0.003% |
| Signal-to-noise | 110 dB |
| Frequency response | 10 Hz – 22 kHz |
| Dimensions | 8 in W x 6.25 in D x 1.15 in H |
| Weight | 3.5 lbs |
| Warranty | 1 year manufacturer (as originally offered) |
Important notes
- Discontinued model; specifications and images are from AudioControl’s archive product page.
- Not the same product as Epicenter PRO or Micro PRO.
What's in the box
- AudioControl Epicenter Plus
- ACR-2 dash remote
- Power connector
- Owner’s manual

