Hifonics® HFEQ - 4-Band Pre-Amp Equalizer with Built-In Line Driver

00 reviews / Item # mpn2571999
Hifonics® - 4-Band Half DIN Equalizer
Hifonics® - 4-Band Half DIN EqualizerHifonics® - 4-Band Half DIN EqualizerHifonics® - 4-Band Half DIN EqualizerHifonics® - 4-Band Half DIN EqualizerHifonics® - 4-Band Half DIN EqualizerHifonics® - 4-Band Half DIN Equalizer GuideHifonics® - 2016 CatalogHifonics Authorized Dealer
OUT OF STOCK - Unavailable until further notice
Notify Me
Interested in this item?
Have a Question? 800.505.3274
Ask a Specialist: Live Chat
Authorized Dealer:Hifonics
Low Prices. Price match guarantee
Guaranteed Fitment. Always the correct part
In-House Experts. We know our products
Easy Returns. Quick & Hassle Free

Product Details

Learn everything you want to know about this product
to make an informed purchase.

Hifonics Car Audio

4-Band Pre-Amp Equalizer with Built-In Line Driver by Hifonics®. Specially designed for those who want more than just a lot of volume and bass from a subwoofer and an amp, this premium quality product by Hifonics allows for fine tuning a car stereo sound. Made from premium quality materials, it ensures reliable, lasting service life.

Hifonics - CatalogHifonics - WarrantyHifonics - About


  • Equalizer Bands: 4 band
  • Equalizer Frequencies: 45 - 12000 Hz
  • Built-in Crossover: Low-pass (LP), High-pass (HP)
  • Line Driver: Yes
  • Total Number of Inputs: 2
  • Total Number of Outputs: 3
  • Signal Boost/Cut: 12 dB
  • Max Output Level: 9 volts
  • Frequency Response: 10 - 50000 Hz
  • THD (Total Harmonic Distortion): .01%
  • Signal-to-Noise Ratio: 100 dB


  • Half DIN ISO mount chassis 4 band Equalizer with 9 volt line driver
  • 4-band equalizer with +18dB variable
  • Master volume and subwoofer volume control
  • Front to rear dual-amp fader
  • 2-audio inputs with level matching
  • Selectable 12dB high-pass front / rear crossover
  • Selectable 12dB low-pass sub output
  • Selectable for mono or stereo
  • 45Hz sub-bass control
  • 120Hz mid-bass control

Design and engineering work at Hifonics is incredibly superior. Over the years, it has maintained its place among leading names in the car audio equipment industry. Whenever the name Hifonics comes up for most people, brilliant bass and incredible sound comes to mind. The company has made sure that all the products it makes are in line with whatever audio system designs the car industry is making.

Hifonics has been setting the pace in the audio competition lanes since car audio competitions started. Whether you build a clear sound quality system that puts you in the mind of Aphrodite or an SPL system with the power of Thor’s hammer – Hifonics has you covered.

Part Number:

All manufacturer names, symbols, and descriptions, used in our images and text are used solely for identification purposes only.
It is neither inferred nor implied that any item sold by CARiD.com, is a product authorized by or in any way connected with any vehicle manufacturers displayed on this page.