Quadratic Diffuser

Product Description

Create an even and balanced acoustic in your room with EQ Acoustics Quadratic Diffusers.

Formed from a subtly textured impact-resistant plastic, this product is a cost-effective sonic and visual upgrade for any studio or recording space.

Effective diffusion spreads sound reflections around your room resulting in a feeling of spaciousness with fewer acoustical problems such as flutter echo. In a control room, your monitors will become more accurate with a larger sweet spot. In a recording room, your sound will become more natural without the loss of energy common to rooms with too much high-frequency absorption.

Developed using the latest acoustic modelling software, these diffusers are based on the proven Quadratic Residue design. For best results in any studio, use this product in combination with EQ Acoustics Spectrum tiles and bass traps.

Product Specifications

  • Dimensions: 575mm x 575mm x 50mm
  • Pack size: 2 units per box
  • Colour: Black (textured finish)
  • Composition: High Impact Thermoplastic (HIPS)
  • Fire Rating: UL94: HB
  • Fixing method: Adhesive / Screws / EQ FlexiFit (fixings not included)

Acoustic Performance

  • Diffuser type: Schroeder Quadratic Residue Diffuser (Prime 7)
  • Diffusion frequencies: 1955Hz – 6370Hz
  • Scattering frequencies: 977Hz – 1955Hz
  • Minimum distance to listener: 52cm


  • Recording Studios
  • Control Rooms
  • Live Rooms
  • Voice Over Rooms
  • Live Performance Spaces

Pack of 2
£59.99 inc VAT


Installation Instructions

Installation instructions available on request


Where to Buy ?


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