Garage
Shop

Absolute EQ400

4-Band Parametric Crossover and Equalizer

Absolute
Shop all Absolute
Product videos
highlight-star-icon

Front and Rear Outputs with Subwoofer • Selectable Illumination • Gold-Plated RCA • Separate Subwoofer Frequency and Level Control

Learn more about the eq400

We apologize

This item has been discontinued

Product Highlights


Front and Rear Outputs with Subwoofer • Selectable Illumination • Gold-Plated RCA • Separate Subwoofer Frequency and Level Control

Description


Absolute brand icon

Authorized dealer

  • 4-Band Parametric Crossover and Equalizer
  • Front and Rear outputs with fader control
  • Subwoofer crossover at 30-250 Hz
  • Separate subwoofer frequency and level control
  • Center-detented boost/cut controls
  • Selectable illumination
  • Gold-plated RCA input and output connectors
  • Independent left and right gain adjustments
  • Equalizer center frequencies: 40, 150, 1000, 20000 Hz
  • Equalization boost/cut: +/- 18 dB
  • Signal to noise ratio: 110 dB
  • Frequency response: 20-25,000 Hz
  • Maximum output voltage: 7 Volts RMS
  • THD: 0.05%
  • Operating voltage: 11-15V (negative ground)
  • Dimensions: 4-1/2"D x 7"W x 1"H
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty

Best selling similar products

XEQ7 small

NVX XEQ7

• 7 band-Band Graphic Equalizer
• 3 Sets of preamp outputs (front, rear and subwoofer)
• 7 volts Max preamp outputs
• Subwoofer frequency and level control
• Gold-plated RCA level inputs

(51)

$49.99

List price $89.99

EQX7PRO small

DS18 EQX7PRO

• 7 band-Band Graphic Equalizer
• 3 Sets of preamp outputs (front, rear, and subwoofer)
• 8 volts Max preamp outputs
• Subwoofer frequency and level control
• Gold-plated RCA level inputs

$119.95

List price $143.99

EQ-4000BT v2 small

Earthquake Sound EQ-4000BT v2

• 4 band-Band Parametric Equalizer
• 3 sets of preamp outputs (front, rear and subwoofer)
• 9 volts max preamp outputs
• Subwoofer frequency and level control
• Gold-plated RCA level inputs

$179.99

List price $199.99

ACX-3.2 small

AudioControl ACX-3.2

• 4 band-Band Graphic Equalizer
• 3 setsof preamp outputs (front, rear and subwoofer)
• 9.5 volts max preamp outputs
• Subwoofer frequency and level control

$529.00

List price $709.00

EQ780 small

Cerwin-Vega EQ780

• 7-Band Parametric Equalizer
• 3 sets of preamp outputs (front, rear and subwoofer)
• 7 volts max preamp outputs
• Subwoofer frequency and level control
• Nickel-plated RCA level inputs

$109.99

List price $109.99

CREQ7B small

Crunch CREQ7B

• 7 band-Band Parametric Equalizer
• 3 Sets of preamp outputs (front, rear and subwoofer)
• 9 volts Max preamp outputs
• Subwoofer frequency and level control
• Gold-plated RCA level inputs

$69.99

List price $99.99

EQ-770 small

Cerwin-Vega EQ-770

• 7 band-Band Parametric Equalizer
• 3 sets of preamp outputs (front, rear and subwoofer)
• 7 volts max preamp outputs
• Subwoofer frequency and level control

(2)

$99.99

List price $115.99

EQX7 small

DS18 EQX7

• 7 band-Band Graphic Equalizer
• 3 Sets of preamp outputs (front, rear and subwoofer)
• 8 volts Max preamp outputs
• Subwoofer frequency and level control
• Gold-plated RCA level inputs

$95.95

List price $95.95

EQP850 small

Cerwin-Vega EQP850

• 5-Band Parametric Equalizer
• 3 sets of preamp outputs (front, rear and subwoofer)
• 9 volts max preamp outputs
• Subwoofer frequency and level control
• Nickel-plated RCA level inputs

$139.99

List price $139.99

eqx5 small

DS18 EQX5

• 5 band-Band Graphic Equalizer
• 3 Sets of preamp outputs (front, rear and subwoofer)
• 8 volts Max preamp outputs
• Subwoofer frequency and level control
• Gold-plated RCA level inputs

(1)

$65.95

List price $65.95

Specifications & Details


Equalizer Specifications
Equalizer Bands
4 band
Equalizer Frequencies
40 - 20,000 Hz
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
Built-in Bass Reconstruction
No
Line Driver
No
Signal Boost/Cut
18 dB
Max Output Level
7 volts
Frequency Response
20 - 25,000 Hz
THD (Total Harmonic Distortion)
0.05%
Signal-to-Noise Ratio
110 dB
Width
7"
Height
1"
Depth
4-1/2"
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

EQ400

Weight:

2.25lbs

Internal SKU:

eq400

Internal Product ID:

21087

Product and How-to Videos


Customer Ratings & Reviews


Absolute EQ400 thumbnail image

5 star
0%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
0
Value
0
Features
0
Design
0
Usability
0

Customer Reviews

Sort by:

Loading...
Sorry, no reviews found

Related Searches


Save up to 10 different vehicles in your garage

Add vehicle
Loading...
Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon

Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.