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QRD-N3/N4 diffusion reflectors combine a reflective face with engineered scattering bands — partly preserving early energy for liveness while breaking up flutter. Available as slim wall strips (N3) or a deeper ceiling-format module (N4).
| Property | Value |
|---|---|
| Name | QRD-N3/N4 Diffusion Reflector |
| Structure | Rubber solid wood, pine wood etc. + veneer |
| Substrate | Rubber solid wood, pine wood etc. |
| Finish | Original wood colour / paint / fireproof board / wood veneer |
| Specification | N3: width 300 / 600 mm, length 1800 / 2400 mm, thickness 70 mm; N4: width 540 mm, length 1200 / 1800 / 2400 mm, thickness 155 mm |
Multi-purpose halls, home theatres, recording studios, theme commercial spaces and places needing both liveness and control.
| Item | Detail |
|---|---|
| Minimum order quantity | Quoted per project — no fixed minimum for a documented layout |
| Production lead time | 15–25 working days from order confirmation |
| Packaging | Flat-packed, 5 pieces per carton |
| Container loading | 20′ GP ≈ 800 pieces |
| Terms | EXW Shanghai · FOB Shanghai · CIF on request |
| Payment | 30% deposit with order, balance against B/L copy by T/T; L/C at sight on request |
Component test reports are issued to our manufacturing partners rather than to MST. Authorised copies, including laboratory and certificate numbers, are released with every quotation.
A half-scale diffuser section is despatched free of charge within 7 working days so you can check the geometry and the finish.
Email your drawing, panel schedule or a square-metre count to sales@mstacoustics.com, or send the enquiry form on this page. We reply within one working day with pricing, lead time and freight options. Datasheets, colour charts and installation guides are collected in our technical resources library.
Where are N3 strips best used?
Vertical strips between windows and doors on side walls — they keep the room alive while taming flutter.
Is N4 ceiling-mountable?
Yes — the 155 mm body is screwed to a suspended frame.
Finish options?
Original wood colour, paint, fireproof board or veneer.
Clear sound, clear mind.
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