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Acoustic Foam Corner Cubes – Corner Cubes for Acoustic Bass Traps

4.98 out of 5 based on 51 customer ratings
(14 customer reviews)


SKU: N/A Category:

Acoustic Foam Corner Cube

For best results when acoustically treating low frequencies, it is advisable to mount bass traps along room corners both lengthways and sideways.  Our Acoustic Foam Corner Traps help link together bass traps mounted horizontally and vertically.

  • 300mm Acoustic Foam Corner Cubes. Manufactured in the United Kingdom.
  • For use with SoundFix Bass Traps treating low frequency sound waves.
  • Our Acoustic Foam has an NRC rating of 0.85. This means it can absorb up to 85% of sound wave energy.
  • CNC cut and chamfered can be used with wall coving.
  • Suitable for use in a variety of rooms fitted with SoundFix Acoustic Foam Bass Traps.
  • All our acoustic foam is UL94 approved and exceeds UK Fire Safety regulations.
  • Not to be used for soundproofing. These are intended for use with bass traps for acoustic treatment purposes.
  • Manufactured to ISO 9001 standards.
  • Available in Studio Grey, Volcanic Red or Crystal Blue

How Acoustic Foam Corner Cubes Work

This product is designed to be mounted onto the walls of room corners. For maximum effectiveness, when using bass traps, it is recommended to mount bass traps horizontally and vertically along corners. The Acoustic Room Corners help to fill the gap where the horizontal and vertical bass traps meet. All our acoustic foam products can be mounted using a spray adhesive (sold separately). This product should not be used without accompanying bass traps. They can be used throughout a variety of rooms including home cinemas and recording studios.

Why Choose Us?

All our acoustic foam products including these acoustic foam corner cubes are manufactured here in the UK to ISO 9001 standards. Our acoustic foam has an NRC rating of 0.85 which makes it on average, 25% more effective at absorbing sound wave energy than the industry standard. What’s more, our acoustic foam also exceeds UK Fire Safety regulations and is UL94 approved.

When you buy from us, you’re buying directly from the manufacturer. This not only saves you money, it also allows you to benefit from our 40+ years of experience in the foam industry. If you need guidance on our acoustic foam, we’ll be happy to advise.

Latest Foam Cut To Size & Product Reviews

  • Rated 5 out of 5 Jack Bull

    Does what it says :)

  • Rated 5 out of 5 Reece Campbell

    Never knew about these. Very useful.

  • Rated 5 out of 5 Dave Noy


  • Rated 5 out of 5 Pete Marshall

    Great corner cubes

  • Rated 5 out of 5 Guy Stanford

    Never seen these before, but thought I'd include them in my buy. A must have.

  • Rated 5 out of 5 Claudia Rey


  • Rated 5 out of 5 Keith Petts

    Handy pieces to have, cheers.

  • Rated 5 out of 5 Adam Mills

    Handy extra to have and not too expensive.

  • Rated 4 out of 5 Terry Pauley

    Glad I found these. Had the foam kit in the basket and checked back. Just a suggestion, but maybe look into adding these with the acoustic foam kit? Anyway, a good product.

  • Rated 5 out of 5 Claire Wragg

    Wish I had seen these in the first place was wondering what I was going to do about the ruddy big gap.

  • Rated 5 out of 5 Duncan Pierce

    Arrived quickly, all there, no probs :)

  • Rated 5 out of 5 Andrew Gifford

    All good. Corner cubes fit where they're supposed to. No weird gap anymore.

  • Rated 5 out of 5 Jess Lavers

    Spotted these after I made my first order which was annoying. Happy with them though.

  • Rated 5 out of 5 Ian Hibberd

    These are a must have to go with bass traps.

  • Rated 5 out of 5 Peter Fry

    Bought the red ones to go with the bass traps, all good!

  • Rated 5 out of 5 Robert Footman

    Happy with my new corner cubes thanks.

  • Rated 5 out of 5 Charlie Parkinson

    All shaped well no irregularities or anything.

  • Rated 5 out of 5 Ian Seager

    A perfect fit to complete the look.

  • Rated 5 out of 5 Paul Nevitt

    No issues, arrived on time and fit.

  • Rated 5 out of 5 Patrick Robinson

    Works as described, wasn't sure if it would at first but there is a clear improvement in sound.

  • Rated 5 out of 5 Sean Rogers

    Excellent service and excellent product, thanks

  • Rated 5 out of 5 Chris Cooper

    works great I'm getting very little to no sound resonance now, thanks guys

  • Rated 5 out of 5 Paula Clark

    simple design that just works.

  • Rated 5 out of 5 Stephanie Alexander

    This made for a nice little addition into my studio, thanks guys

  • Rated 5 out of 5 Jesse Parker

    Better than I expected, thank you!

  • Rated 5 out of 5 Samuel Williams

    Perfect, added nicely to my room

  • Rated 5 out of 5 Aaron Price

    nice little bass trap, good work to the guys at GB

  • Rated 5 out of 5 Jean Clark

    works great nice job

  • Rated 5 out of 5 Edward Steed

    Brilliant thank you very much

  • Rated 5 out of 5 Glenn Morley

    First class service and great price. Many thanks

  • Rated 5 out of 5 Tracy Hopkins

    Superb product and service will use again

  • Rated 5 out of 5 Magnus Johnson


  • Rated 5 out of 5 Roy Wright

    I didn't think that these would make any real difference but i was very wrong great product GB

  • Rated 5 out of 5 Roger Phillips

    Sounds so good now I have all the acoustic foam in place, just makes my new surround sound pop with clarity

  • Rated 5 out of 5 Malcolm Drewery

    These fit well into my room corners.

  • Rated 5 out of 5 IAN WATCHCORN


  • Rated 5 out of 5 Paul Moore


  • Rated 5 out of 5 Matt Lamb

    Wish Id known about these sooner.

  • Rated 5 out of 5 Tony Roberts

    Fits well with the bass traps. I opted for the red colour to match the bass traps and the colours are exactly the same.

  • Rated 5 out of 5 Connor Moore

    5 stars. I like that they have an edge to fit the top of the wall properly.

  • Rated 5 out of 5 Ellis Henry

    I am quite surprised by the difference the cut out corners makes in comparison to the old corner cubes we had from another company.

  • Rated 5 out of 5 Anthony Brady

    All good!!

  • Rated 5 out of 5 Niamh Tyler

    Bought these in red, they match the tiles and bass traps I also purchased and all of them I'm really happy with.

  • Rated 5 out of 5 Archie Gardiner

    5 stars. Cheers.

  • Rated 5 out of 5 Jack Watson

    Very good. Thanks.

  • Rated 5 out of 5 Steve Powell


  • Rated 5 out of 5 Ken Moody

    Fitted perfectly into the corner of my room.

  • Rated 5 out of 5 Patricia Jones

    Great quality foam and such a vibrant colour!

  • Rated 5 out of 5 Sean Howard

    Bass traps sit flush with the corner cubes.

  • Rated 5 out of 5 Joshua McKenna

    Purchased in blue. All good

  • Rated 5 out of 5 Andrew Moss

    Fits great with the bass traps

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Why Choose GB Foam For Your Foam Cut To Size?

Our factory is equipped with the latest CNC cutting technology and throughout the years we have employed the most talented freehand foam cutters in the industry. Many members of the team have worked for the company for several decades and their attention to detail and quality control is something that only comes with years of knowledge and experience.

We have many customers who started with us in 1976 and are still working with us today, which we like to think reflects on our vision to be the most dynamic foam converter in our industry. For us no job is too big or too small. We offer the same level of service and delivery whether you are a retail customer ordering one piece of foam from home, or a large manufacturer ordering daily.

40 Years In BUsiness

GB Foam have been offering foam cut to size from our factory since 1976.

Hand Made In The UK

We employ the most talented freehand foam cutters in the industry.

ISO 9001 Quality

Our team work to the ISO 9001 quality standards to guarantee only the best

Super Fast Delivery

All orders placed before 11:00am will be despatched for next working day delivery

5 Year Guarantee

Our foam comes with a 5 year guarantee against faults in manufacture.

Flame Retardant

Our entire range of foam exceed UK safety and flammability standards.

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