QRD Chessfuser

Get a spacious-sounding feel that mimics large halls and spaces

The D64 Chessfuser has powerful chops that lets you transform the sound of your room to resemble large halls and spaces. It’s made from solid wood and has a grooved width and depth that deflect sound reflections uniformly. This not only enables high frequencies to sound better but also improves conversations since it makes voices sound more natural and pleasant.

It’s best for use on recording rooms, private theaters, and other forms of entertainment rooms. For an all-around product that solves your sound issues, the D64 Chessfuser is an awesome choice!



Selection of colors:

Base material:

Rubber solid wood


Wood finish / fully enclosed plain green paint

Paint standard:

E0 environmentally friendly PU finish.


600mm (H) x 600mm (W) x 100mm (T)



Acoustic feature:

D64 solid wood diffuser is a located sequence grating based on QRD theoretic formula calculations. Its groove depth and width enable it to have uniform diffuse reflections for the incident sound from different angles and all the directions to make human voices more agreeable and high frequencies more gorgeous like in a large hall.

Diffusion frequency:

430 Hz – 861 Hz (maximum 2730 Hz)

Scope of use:

Opera houses, music halls, places of leisure, private theaters, recording studios, HIFI listening rooms, etc. with high-end indoor sound quality requirements for building acoustic decoration.

Diffusion coefficient: