Pro.Felt E acoustic wall panels are a professional wall
solution that significantly enhances sound quality and the aesthetics of any
room. They effectively eliminate reverberation, echo, and unwanted
reflections by combining certified acoustic felt with innovative Basotect
foam that meets international quality standards. In addition, the panels
serve a decorative role—the unique square shape and rich color palette allow
a perfect fit with the interior’s character, creating refined compositions
that harmoniously blend functionality with contemporary design.
Acoustic Panel Pro.Felt E.4 Square
from 43,90 €
− % with code
Applied automatically when you add to cart.
Lowest price in the last 30 days: 43,90 €
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Contact and Support
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Delivery in 5–10 days
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Up to 14 days for returns
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3-year warranty
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Mid- and high-frequency absorption
Effectively absorbs in the mid and high range, reducing reverberation and creating a balanced acoustic environment.
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E.4 Square – classic square
Universal square in 350 × 350 mm (standard) or 650 × 650 mm (XL). Easy planning for symmetrical layouts.
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Synergy of felt and Basotect
A unique combination: certified 9 mm Pro.Felt at the front and coloured Basotect foam at the back. Felt diffuses/absorbs highs, foam controls the mids—comprehensive acoustic action.
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Three thicknesses
4.2 cm (3 cm Basotect + 1.2 cm felt), 6.2 cm (5 cm + 1.2 cm) and 8.2 cm (7 cm + 1.2 cm). Greater thickness improves low-frequency performance.
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Standard and XL sizes
Most panels are available in compact Standard and enlarged XL sizes. Choose the optimal scale for your room and acoustic goals.
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Pro.Felt acoustic felt 9 mm
Eco felt from recycled sources, 9 mm thick, with a high sound absorption coefficient. Meets EN 13501, class B (reaction to fire). Available in 14 colours.
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Basotect® foam – innovative technology
A 2 cm middle layer of Basotect® acoustic foam compliant with DIN 4102. Ultra-light structure (9 kg/m³) with a soft, coloured finish for extra personalisation.
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Ultra-light ~9 kg/m³
Basotect foam with very low density (~9 kg/m³) keeps panels remarkably light. Safe mounting even on delicate surfaces; easy to move and re-arrange.
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Modular shape configurations
A variety of geometric forms allows unique wall or ceiling compositions. Mix shapes and colours to match your interior.
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Two installation methods
Self-adhesive tape for quick mounting on smooth surfaces, or steel-cable suspension for an eye-catching ceiling installation. Choose at checkout.
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Colour customisation
Choose the felt colour and the Basotect® core colour—from subtle pastels to bold accents.
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Versatile applications
Ideal for homes, recording studios, conference rooms, clubs, schools, pubs and restaurants—anywhere sound quality matters.
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3-year warranty
We trust our solutions, so we provide a 36-month warranty on all our products.
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Over 10 years of experience
As one of Europe’s leading manufacturers of acoustic solutions, we guarantee top quality and proven results.
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Shipping in 7–14 business days
Pro.Felt products are made to order in your chosen colour. Carefully packed and secured for safe transport.
Installation
Assembly adhesive (not included), Self-adhesive tape (optional)
Intended use
Ceiling, Wall
Construction
Basotect foam, Certified acoustic felt
Place of production
European Union
Manufacturer
Addictive Sound
Felt colour
1. White, 2. White Marble, 3. Light Beige, 4. Beige, 5. Yellow, 6. Light Blue, 7. Blue, 8. Burgundy, 9. Lime, 10. Green, 11. Dark Green, 12. Stone, 13. Graphite, 14. Black
Size
E.4: 350 mm x 350 mm, E.XL.4: 650 mm x 650 mm
Back foam color
1. Pastels – Yellow, 10. Nature – Malachite, 11. Nature – Maritime, 12. Nature – Ocean, 13. Citrus Fruits – Mango, 14. Citrus Fruits – Pomelo, 15. Citrus Fruits – Lemon, 16. Citrus Fruits – Grapefruit, 17. Sky – Morning, 18. Sky – Evening, 19. Sky – Night, 2. Pastels – Powder Pink, 20. Coffee – Latte, 21. Coffee – Cappuccino, 22. Coffee – Mocha, 23. Coffee – Espresso, 24. Metals and Minerals – Silver, 25. Metals and Minerals – Iron, 26. Metals and Minerals – Anthracite, 27. Metals and Minerals – Graphite, 28. Special – Pink, 29. Special – Cranberries, 3. Pastels – Red, 30. Special – Purple, 31. Special – Burgundy, 32. Special – White, 33. Special – Black, 4. Pastels – Blue, 5. Pastels – Beige, 6. Pastels – Green, 7. Nature – Grass, 8. Nature – Mint, 9. Nature – Emerald
Sound Absorbtion Coefficient (α)
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Homes and Apartments
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Offices and Conference Rooms
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Recording Studios and Home Music Studios
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Public Spaces
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Delivery in 5–10 days
Most panels are prefabricated. The selected color is applied after ordering.
If the ordered product does not meet expectations, you have 14 days to return it - applies to individual customers.
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Secure Payments
You can conveniently pay for your order online via PayU – we support card payments, quick transfers, BLIK, and Google Pay. We also accept traditional bank transfers and PayPal payments.
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camille95
Verified purchase
November 14, 2025
Très bonne qualité de feutre et le carré rend très bien dans le bureau. Juste un peu cher à mon goût.
Liam K.
Verified purchase
November 4, 2025
mounted four of these in the studio and they look superb. The felt is gorgeous and rooms sounds tighter.
rafal.g
October 26, 2025
Świetna jakość wykonania, ekspresowa wysyłka i wszystko porządnie zapakowane polecam.
Robert M.
Verified purchase
September 19, 2025
Robią wrażenie na ścianie i naprawdę słychać różnicę w pokoju odsłuchowym. Powiesiłem sam bez problemu
maria_13
Verified purchase
July 31, 2025
El fieltro se nota de buena calidad y el cuadrado queda muy elegante. Hay menos eco en el estudio.
tomasz_42
Verified purchase
July 25, 2025
Kwadraty układają się świetnie nad kanapą tkanina cudna w dotyku. Pogłos zauważalnie mniejszy.
reverbkill1985
Verified purchase
February 17, 2025
Looks classy on the wall and the room feels less echoey, slightly on the expensive side though.
Maciej N.
Verified purchase
September 20, 2024
elegancko i ze smakiem, filc najwyższej półki. W salonie od razu cieplejszy dźwięk, montaż prosty jak drut.
drummer_diy
Verified purchase
June 12, 2024
Das quadratische Filzpaneel sieht im Büro elegant aus und man hört den Unterschied bei Telefonaten. Sehr hochwertig
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Free Consultation – with a Representative
We provide free advice on acoustics, answer questions, and propose the best solutions tailored to your needs.
Contact Us
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Acoustic Design with 3D Visualization and Acoustic Simulation
We create a design with 3D visualization and sound simulation to help you understand the impact of panel installation on your space.
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