Sirius-HALF Acoustic Diffuser 20"x20"x6" | 2D QRD Sound
Sirius-HALF Acoustic Diffuser 20"x20"x6" | 2D QRD Sound
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The «Sirius-HALF» diffusers are designed for acoustic decoration of walls and ceilings, improving sound quality in various environments such as recording studios, home theaters, concert halls, and more. With 2D QRD (Quadratic Residue Diffuser) construction, these diffusers enhance diffusion, reflection, absorption, and sound isolation. They are ideal for creating a diffuse sound field, even in small spaces.
ITEM SPECIFICS:
Functionality: Diffusion, Scattering, Reflection, Absorption
Frequency Range: 625Hz to 5000Hz
Material: Laminated MDF, Acoustic Foam
Size: 20x10 inches (50x25 cm)
Panel Thickness: 6 inches (15.3 cm)
Color Options: 10 available
Overall NRC: 0.48
APPLICATIONS: Ideal for recording studios, podcast studios, home theaters, music rooms, offices, rehearsal spaces, and conference rooms.
INTENDED USE: To scatter and partially absorb sound waves in various environments.
Fast Delivery
Fast Delivery
shipped within 5-10 business days
Expert Support
Expert Support
personal advice from our acoustic specialists
Quality Guarantee
Quality Guarantee
durable materials, tested for professional use
How many panels do you need?
Every room is different. As a rule of thumb, covering 20–30% of your ceiling with acoustic panels already makes a big difference.
What our customers say
“We installed 6 panels in our office and the difference is incredible. The echo is gone and meetings are much clearer.”
“Fast delivery and easy installation. The panels look stylish and really improved the sound in my studio.”
“Great product! I ordered 4 for my living room. Big improvement, I may add more later for maximum effect.”
FAQ
How long does delivery take?
Most products are shipped within 5–10 business days. Larger or custom orders may take longer. You will always receive a tracking link once your order is dispatched. This is because all of our products are made direct in the factory.
Do you offer installation services?
Yes. Qoustic provides professional on-site installation by appointment only. This ensures your absorbers and diffusers are placed for optimal acoustic results.
Can I get advice before purchasing?
Absolutely. Our team of audio specialists is available to guide you in choosing the right products for your studio setup.
What payment methods do you accept?
We support all major payment methods including credit card, PayPal, and bank transfer.
Do Qoustic products come with a warranty?
Yes. All products come with a standard warranty against manufacturing defects. Details are specified per product page.
Can I return a product?
Yes. Unused products can be returned within 14 days in their original packaging. Please contact us before returning your order.
Do you also ship internationally?
Currently, Qoustic primarily serves The Netherlands, Belgium and Germany. International shipping is possible upon request.