AudioControl The Epicenter InDash In-Dash Bass Maximizer Processor

AudioControl The Epicenter InDash

In-Dash Bass Maximizer and Restoration Processor (The Epicenter In-Dash) with 5-year warranty*!

In-Dash Bass Maximizer and Restoration Processor (The Epicenter In-Dash) with 5-year warranty*!

• Digital Bass Reconstruction Processor
• 160dB Mircophone
• Switchable Backlight Illumination Color(Blue or Red)
• ParaBASS Equalization
• SPL Display


List price $299.99
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For over two decades, AudioControl has been designing and manufacturing award-winning autosound products at our factory located in the rainforests of the Pacific Northwest. During this period, countless sound-off winning contestants have chosen AudioControl products to give them the competitive edge. "Can you really win without AudioControl", was part of an article written commenting on competition winning systems. Nothing sounds better than an awesome recording played back on a kickbutt system. Unfortunately, the acoustics of your vehicle can take away from your systems performance. While AudioControl products do not change the laws of physics (although they act like they do), autosound enthusiasts have long known that AudioControl products "make good stereo sound better".

The Epicenter® InDash- InDash Bass Restoration Processor

If you want the best bass possible and a way to measure how loud your system is playing, The Epicenter InDash car audio processor is the perfect product for you. The Epicenter InDash is an expert combination of the bass enhancement circuits along with a microphone and a 160-dB SPL (sound pressure level) display. The display will show real time SPL or hold the highest value so you can show your friends. It will also display voltage so you can monitor your vehicle's electrical systems. With AudioControl's unique Para-Bass equalization control, you select the frequency and bandwidth for the enhanced bass action. The Epicenter InDash car audio processor gives you great bass and a way to see the result.

The Epicenter InDash uses AudioControl's bass restoration circuitry, which actually adds lower octaves of bass to any performance autosound system. In addition, The Epicenter InDash includes AudioControl's Para-Bass equalization, which allows the user to fine-tune the bass response to their specific vehicle. The net result is more bass... louder.

In addition to allowing users to maximize their bass response, the new The Epicenter InDash offers a specially designed microphone mounted on the front panel that can measure up to 160 dB. The SPL is then shown on an LED display on the front panel of The Epicenter InDash. Optionally, users of The Epicenter InDash may select to see their SPL measurement constantly updating or in a peak hold mode. The display also will show the systems power voltage with one tenth volt resolution.

Key Features:

Bring The Bass

AudioControl's The Epicenter InDash bass processor will maximize the low-frequency power of your system, whether you listen to bass from a small tube or a multi-woofer competition setup. Simply install this processor between your car's receiver and your amps, and hear what you've been missing.

Bass Processor Restores the Lowest Frequencies

The Epicenter InDash uses the bass enhancement circuitry of AudioControl's legendary "The Epicenter" bass processor to analyze the signal coming from your headunit, restore low bass tones, and increase your bass response without stressing out your speakers. And you can connect The Epicenter InDash to just about any receiver, thanks to its speaker and preamp-level inputs.

Simple Yet Effective

One twist of the bass knob, and you'll hear the bottom returning to your music. The Epicenter InDash does a great job of pumping up your digital music files or live recordings, restoring low bass that's been lost to compression or poor recording. Separate parametric, Para-BASS controls let you fine tune bass response and allow you to choose the center frequency for the bass maximization circuitry.

SPL Meter for Competitors

You'll also get an SPL display that uses a built-in microphone to measure the sound pressure level of your system. All the way up to 160 dB. A "Peak Hold" setting allows you to show off your system's maximum bump. The display also monitors your battery voltage, a nice feature if you've been playing music with the engine turned off. A warning light lets you know when interior sound levels exceed 120 dB so you can use ear protection. And you can switch the backlight illumination to either red or blue, to go with your car or mood.

Product Features

  • Digital Bass Reconstruction Processor
  • 160dB microphone
  • In-dash design
  • Switchable backlight illumination color(blue or red)
  • SPL Display
  • ParaBASS Equalization
  • Speaker level or line level inputs
  • Unique bass restoration circuit
  • Battery voltage indicator
  • Frequency Response: 10-100,000 Hz
  • Total Harmonic Distortion: 0.003%
  • Signal to Noise Ratio: >130 dB
  • Maximum Output: 13.5V RMS
  • Weight: 2 lbs
  • Dimensions: 6-3/4"W x 5"D x 1"H
  • Authorized Internet Dealer
  • 5 Year Manufacturer's Warranty (*when installed by an authorized AudioControl dealer)

Epicenter InDash Specifications

  • Maximum input level: 15 Vrms
  • Maximum output level: 13.5 Vpeak
  • Frequency response: 10 - 100,000 Hz; ±1dB
  • Total harmonic distortion: 0.003%
  • Signal to Noise ratio: - 130dB
  • Balanced input noise rejection: 60dB
  • Microphone acoustical level: 70 dB to 160 dB
  • High SPL Warning: 120 dB
  • Input Impedance: 10 Kohms
  • Output Impedance: 160 Ohms
  • Power supply: High headroom PWM
  • Power draw: 300mA
  • Recommended fuse rating: 1 Amp
Check out the AudioControl The Epicenter InDash Owner's Manual

Bass Reconstruction Processors Specifications
Input Connection Type
Speaker Level
Output Connection Type
Maximum Input Voltage
15 Vrms
Maximum Output Voltage
13.5 Vpeak
Adjustable Center Frequency
LED Indicators
Bass/Gain Remote
Auxiliary Input
Total Number of Inputs
Total Number of Outputs
Built-in Crossover
Frequency Response
10 - 100000 Hz
Signal-to-Noise Ratio
130 dB
Total Harmonic Distortion (THD)
Warranty and Return Policy
Parts Warranty Duration
5 years
Labor Warranty Duration
5 years
Warranty Provider
AudioControl The Epicenter InDash

AudioControl The Epicenter InDash



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By feature average rating



May 25, 2013

You want Bass ?

This product is great. If you want ground shaking bass this is a must. Love the way it sits perfect in dash also very easy to control & everything is at your finger tips. I would highly recommend this product 100 % satisfied.


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October 25, 2014

Dont miss this!

Amazing controls ! One of this is installed in my FJ cruiser whit Rockford Fosgate amps and sub 4 x 12 p3 on t1500 bdcp and the BASS was Very good. This epicenter have up graded the bass to bad ass ! Well i have buy a second one for my other truck! So dont Forget audio controls support all of our stock whit awesome service !!!!!!


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john p

March 20, 2015

grate deal

This thing is awesome it makes my sub shake the ground and gives me a spl level how cool is that it's a must have its a great deal /sounds great /and easy install get it you won't regret it I love iteasy install get it you won't regret it I love it!!!


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July 23, 2013

EPIC to say the least.

This is one awesome little device if you listen to a wide range of music like I do.. I listen to everything from the Moody blues and Doors to Metallica and Decaf - this thing is wonderful for most anything.. ESPECIALLY oldies, rock, and metal. The SPL meter is 5-6 DB off a Termlab in my vehicle, but it is repeatable and works well, all in all my FAVORITE device I have bought in any years. A real game changer if you like to go from Rap to Rock without major setup changes.


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June 24, 2013


If you want to control your subs this is the way to go. It will give you groundshaking bass response. Buy it, install it and dont look back.


found this helpful.


August 26, 2018

Great product

The epicenter is the best product out there for the price


found this helpful.

Phat head

April 26, 2018

Spl meter is a huge plus!!!

Love everything about this unit. Although i wish it had a forward facing aux jack then it would be complete


found this helpful.


January 4, 2020

Came on time

Came on time packaged very well. Nice looking piece never used it yet. Good job sonic


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September 3, 2020

Audio control!!! Need i say more?

I am building a new system, even though I'm hoping to compete with it, it's my daily. So I need good sound, I am good with rap and whatnot for comp, but I mostly listen to rock and metal. This thing when tuned right with your systyem is amazing. It gave me the bass in all my music, old to new! And it works with rap too. My whole dash shakes!


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May 24, 2020

Best ever

The product it's a good one cause it gives the bass boost u need for subwoofers.


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August 11, 2018

Nice product

I bought this thinking it would make the bass more clear and to an extent it did. But there were not any details about what the adjustments do and I don’t believe the spl mic is really as accurate as it’s reading.


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July 19, 2018

AudioControl The Epicenter InDash

First off thank you Sonic for the excellent customer service as well as the fast shipping. i bought this Epicenter to bring back the lows so when i play oldies it sounds the way i think it should. i went with the in-dash version for the convenience of having the controls at my fingertips. i like that you can turn it on and off with the touch of a button and the fact that it comes with a voltage/spl meter built in is a bonus. If you want to bring in Bass to songs that Lack BUY THIS if you want to add extra bass to songs that already have it BUY a better amp and sub.


found this helpful.


November 13, 2017

Low bass where there's high bass

Much better then the 1st generation epicenter's. Built in 160db mic w/display or choose to display voltage. Also you're able to adjust the center & width of frequency. So you can turn a 100hz note into a 27-63hz note. It basically adds low bass to songs without low bass. Note sure if there's a built in subsonic filter.


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In-Dash Bass Maximizer and Restoration Processor (The Epicenter In-Dash) with 5-year warranty*!


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