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Acoustic baffle apn Lamella Free

The apn Lamella Free acoustic baffles allow design in the third dimension. In addition to optimizing room acoustics, the straight-line acoustic baffles become an attractive object that becomes an impressive distinctive feature.

Design diversity in the third dimension thanks to the apn Lamella Free baffles

Acoustic baffles do not always have to run straight. Especially when – in addition to optimising room acoustics – room design is also taken into account, our apn Lamella Free range opens up almost infinite design possibilities right into the third dimension.

Due to the production of free forms in an nearly unlimited variety of colours (NCS, RAL) we can offer the acoustic baffle apn Lamella Free in any possible variant. Elegantly curved, the apn Lamella Free objects allow a perfect combination of room acoustics and aesthetics and harmoniously complement existing room concepts.


Free shapes & individual dimensions.

Individual dimensions & tailored shapes for the acoustic wall panels – even in small quantities.

Optimal air circulation.

Acoustic baffles are ideally suitable for concrete core-activated ceilings; cooling capacity reduction < 3.1 %.

Wide range of colours.

acoustic fleece in RAL or NCS Code or direct printing.

apn Lamella acoustic baffles can be used in

Offices, educational establishments, gastronomy & hotels, healthcare sector, production facilities

Technical specifications
Sound absorption measurement Acoustic baffle (absorption surface according to ISO 354)
APN (k)
Baffle height: 100 mm
Centre distance: 140 mm
Air cavity above baffle: 0 mm
APN (e)
Baffle height: 200 mm
Centre distance: 300 mm
Air cavity above baffle: 100 mm
Technical specifications
Dimensions (lxw; in mm)Standard: 2,400 x 200/300; further dimensions avaiable on request
Construction material classAbsorber board: A2-S1, d0 acc. to DIN EN 13501-1
Standard surfaceAcoustic fleece; white, similar to RAL 9003
Cooling capacity reduction<= 3,1 %
CleaningDamp wipeable
DemountabilityEasy demountability (Acoustic panels with fixing variant glued (k) are limited reusable)
Interior climateSuitable for use in rooms of ISO category 6 according to DIN EN ISO 14644-1
Humidity resistanceDimensionally stable up to a relative humidity of 95 % at 30 ° C (acc. to DIN EN ISO 4611)
Weightapprox. 4 kg/m²
SurfaceAcoustic fleece
Special coloursAcc. to RAL or NCS Code
FormatIndiv. forms possible (according to CAD template)
Border designsframeless circumferentially colour-coated
Mounting optionsAPN (e) single hanging; APN (h) free-hanging; APN (k) glued
Further VersionsStandard baffle, frameless; Ball impact-resistand baffl e with aluminium frame
Mounting variants
APN (e)single hanging:
Baffle blades are single suspended on wire ropes.
Minimum suspension height: 50 mmAPN-e-Baffel
APN (h)free-hanging:
Baffles suspended on horizontal wire rope systems
Minimum suspension height: 80 mmAPN-h-baffel
APN (k)glued:
Baffles directly glued on ceiling.apn-k-baffel