Auralex Acoustics 4" CornerFill Set Charcoal

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Auralex Acoustics 4" CornerFill Set Charcoal

Auralex Acoustics

4" CornerFill Set Charcoal

4.5 Expert Rating

Product Info

Article Number: 241084
Model: 4" CornerFill Set Charcoal
Category: Bass Traps
Price: $119.90

* Prices may vary. Check retailer for current pricing and availability.

The Auralex CornerFill is a decent entry point for tackling low-frequency issues in smaller project studios or home recording setups. They're not a miracle cure, but they’ll noticeably clean up the low-end build-up in corners, making mixes feel more focused – especially good for singer-songwriters or podcasters on a budget.

Product Description

  • Auralex Acoustics 4" CornerFill Set Charcoal
  • 4" Cornerfill
  • Flat cut studio foam-corner-absorber
  • Reduces the accumulation of low frequency sound energy in room corners
  • Dimensions: 100 x 100 x 610 mm
  • Colour: Anthracite
  • Set with 9 pieces
  • For handling and attaching
  • acoustic adhesive Art. #177265# is recommended
PROS
  • • Effective corner bass trapping, noticeably reduces muddiness
  • • Open-cell foam offers decent broadband absorption
  • • Charcoal color blends well with most studio aesthetics
  • • Relatively lightweight and easy to handle for installation
CONS
  • • Absorption is limited compared to dedicated bass traps
  • • Adhesive not included, adding to overall cost
  • • Foam construction can be prone to dust accumulation

Product Video

Key Features

Material Open-cell polyurethane foam
Dimensions 100 x 100 x 610 mm
Low Freq Absorption Reduces low-frequency build-up in corners, but limited effectiveness below 250Hz
NRC Rating Around 0.75 – 0.85 across mid and high frequencies
Mounting Acoustic adhesive recommended (not included)
Quantity 9 pieces

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Frequently Asked Questions

These are a budget-friendly alternative, but thicker traps offer significantly better low-frequency absorption; they’re best for mild corner treatment.
While they’ll help, a larger room will require a more comprehensive acoustic treatment plan with more substantial bass traps and diffusion.
Auralex often offers CornerFills in various colors, but charcoal is a common and versatile choice blending into most environments.

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