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AudioControl's The Epicenter InDash

Bass restoration processor with SPL/voltage display

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Our take on the AudioControl's The Epicenter InDash

by Buck Pomerantz
AudioControl

Bring out 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.

Epicenter InDash bass processor

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 receiver, restore low bass fundamental 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 and 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.

Blue or red backlight illumination

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.

Note: This AudioControl sound processor needs to be wired in line between your receiver and amplifier. Although it can be in line after an equalizer, it must be installed before any crossover.

Highlights:

  • in-dash bass processor/SPL meter
  • increases bass response from your system
  • Para-BASS parametric bass EQ
  • speaker- and preamp-level inputs
  • SPL meter displays sound pressure level or battery voltage
  • built-in microphone
  • switchable backlight illumination (red or blue)
  • frequency response: 10 to 100,000 Hz
  • 6-13/16"W x 1-1/16"H x 5-1/16"D
  • weight: 2 pounds
  • warranty: 5 years
  • Our 60-day money-back guarantee
 

Hands-on research from the Crutchfield Labs (what are the Labs?)

Product Research
What's in the box?

Download owner's manual

  • In-Dash Bass Restoration Processor
  • 2 Mounting brackets
  • Four 1/4" Mounting screws
  • Owner's manual
  • QC checklist

Scratch & Dent items may be missing non-essential accessories. In some cases the manufacturer's accessories have been replaced with generic equivalents.

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Features

Bass Restoration: Rather than simply turning up the bass, the patented bass restoration circuit takes a full range input signal and measures the upper harmonics of the bass frequency range to determine what frequencies have been lost during the recording process, then correctly restores the missing bass information. A rotary knob allows you control how much bass is restored to the system. A full range signal is output from the Epicenter InDash that can feed a full range amp, a subwoofer amp (with built-in crossover), or an outboard crossover.

Para-Bass: Para-Bass is a single band, parametric equalizer for the bass output. The center frequency is continuously variable from 27 Hz to 63 Hz. The width of the band is also adjustable.

Balanced Inputs: Using the balanced differential input circuit cancels noise picked up in the transmission line between the Epicenter InDash and the the source unit. The inputs can be set to balanced or unbalanced if needed.

Ground Isolation: The power supply ground is switchable, in case of ground loop noise. The factory position is fully isolated (typically the best choice), but can be changed to Ground or 200Ω.

Terminal Blocks: The power/ground/remote/illumination terminal and the speaker level input terminal are removable; the wiring is attached to each block, then the blocks are plugged into the rear panel.

Display: A digital display on the front panel shows either the input battery voltage or the SPL measured by the front panel microphone. The peak function holds the highest SPL measured until the unit is turned off (or until the peak function is turned off). If the microphone measures SPL at 120 dB or higher, a warning light appears in the display.

Illumination: The outer ring of each knob is lit whenever the illumination terminal is energized. The color is switchable between blue and red. Wiring the illumination terminal to a dimmer circuit allows you to adjust the brightness. The digital voltage/SPL display is red.

Mounting: The 1/2 DIN Epicenter InDash chassis can be mounted in-dash, or under-dash using the included brackets.

Specifications:

  • Maximum Input Level: 15 volts RMS
  • Maximum Output Level: 9.5 volts RMS/13.5 volts peak
  • Frequency response: 10 Hz-100 kHz; +/-1dB
  • THD: 0.003%
  • S/N Ratio: 130dB
  • Balanced Input Noise Rejection: 60 dB
  • Microphone Acoustical Level: 70 dB to 160 dB
  • High SPL Warning: 120 dB
  • Input Impedance: 10 kΩ
  • Output Impedance: 160 ohms
  • Current Draw: 300 mA
  • Recommended Fuse: 1 amp
  • Weight: 2 pounds

Connections:

  • Line Inputs: stereo RCA jacks; rear panel
  • Speaker Level Inputs: removable terminal block; rear panel
  • Line Outputs: stereo RCA jacks; rear panel
 
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1 question already asked

is there any difference with this and the regular epicenter? [ Alicia  Feb 17, 2014 ]
1 answer
  • We have not received any answers from other customers on your question. I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They should be able to help answer your question. [ Jeff Staff  Feb 21, 2014 ]

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For a more in-depth review and enhanced detailed information on the AudioControl's The Epicenter InDash, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_161EPICEID/AudioControls-The-Epicenter-InDash.html ).