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Acoustic IndexAcoustic Index
SearchAPIReverberation calculator
For professionalsFor manufacturers

Acoustic database

Search and compare acoustic materials and products with ISO measurement data

Acoustic IndexAcoustic Index

The database for acoustic material data. Professional measurement results per ISO standards.

Products

  • Absorbers
  • Diffusors
  • All products

Company

  • About
  • Contact
  • For manufacturers

Tools

  • Read API
  • Reverberation calculator

Legal

  • Imprint
  • Privacy
  • Terms
  • Terms of use

© 2026 Acoustic Index. All rights reserved.

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SUAM Universal Absorber
SUAM Schall- & Akustikmanufaktur GmbHαW0.45–1.00

SUAM Universal Absorber

15 / 25 / 80 mm (various variants TÜV-tested) · B1 · Highly absorbent · Free-hanging, Ceiling, Wall · +14 variants
SilentROOT TORF Acoustic Panel
SilentFiberαW0.50–1.00

SilentROOT TORF Acoustic Panel

20 / 30 / 40 / 50 mm · B · Highly absorbent · Wall, Ceiling · +23 variantsEPD
SilentROOT CLOUD Acoustic Ceiling Sail
SilentFiberαW0.50–1.00

SilentROOT CLOUD Acoustic Ceiling Sail

20 / 30 / 40 / 50 mm · B · Highly absorbent · Free-hanging, Ceiling · +23 variantsEPD
SUAM Baffle
SUAM Schall- & Akustikmanufaktur GmbHαW0.50–0.75

SUAM Baffle

25 mm · B1 · High-frequency absorber · Free-hanging · +5 variants
SUAM Rectangular Ceiling Raft
SUAM Schall- & Akustikmanufaktur GmbHAobj4.00

SUAM Rectangular Ceiling Raft

50 mm or 80 mm · B1 · Broadband absorber · Free-hanging
Acoustic Room Divider
freiraum AkustikαW0.95

Acoustic Room Divider

5 cm (frame) · Broadband absorber · Freestanding
Desk Partitions
freiraum AkustikαW0.95

Desk Partitions

5 cm (frame) · B1 · Broadband absorber · Freestanding, Integrated
SUAM Round Ceiling Raft
SUAM Schall- & Akustikmanufaktur GmbHAobj0.72–2.46

SUAM Round Ceiling Raft

80 mm · B1 · Broadband absorber · Free-hanging · +4 variants
SUAM Freeform Ceiling Raft
SUAM Schall- & Akustikmanufaktur GmbHAobj4.00

SUAM Freeform Ceiling Raft

50 mm or 80 mm · B1 · Broadband absorber · Free-hanging
SUAM Ceiling Raft with Built-in Components
SUAM Schall- & Akustikmanufaktur GmbHAobj4.00

SUAM Ceiling Raft with Built-in Components

50 mm or 80 mm · B1 · Broadband absorber · Free-hanging
Acoustic Picture Nature Motifs
freiraum AkustikαW0.90

Acoustic Picture Nature Motifs

5 cm (frame) · B1 · Broadband absorber · Wall
Monochrome Acoustic Pictures, All Formats
freiraum AkustikαW0.90

Monochrome Acoustic Pictures, All Formats

5 cm (frame) · B1 · Broadband absorber · Wall
Acoustic Picture Your Motif
freiraum AkustikαW0.90

Acoustic Picture Your Motif

5 cm (frame) · B1 · Broadband absorber · Wall
Acoustic Picture Art Motifs
freiraum AkustikαW0.90

Acoustic Picture Art Motifs

5 cm (frame) · B1 · Broadband absorber · Wall
Acoustic Ceiling Raft in Custom Colors
freiraum AkustikαW0.90

Acoustic Ceiling Raft in Custom Colors

5 cm (frame) · Broadband absorber · Ceiling, Free-hanging
Acoustic Picture City Motifs
freiraum AkustikαW0.90

Acoustic Picture City Motifs

5 cm (frame) · Broadband absorber · Wall
Master A
Ecophon (Saint-Gobain)αW1.00

Master A

CeilingEPD
Blanka
Rockfon (ROCKWOOL)αW0.95

Blanka

CeilingEPD
Vibrasto
TexaaαW0.70

Vibrasto

Wall, Ceiling, Free-hangingEPD
Micro Panels Basic
TopakustikαW0.85

Micro Panels Basic

Wall, CeilingEPD
Mikropor G
Lahnau AkustikαW0.65

Mikropor G

Ceiling, Wall
Fural Metal Ceiling Tile - Smooth / Perforated / Expanded Metal
Fural Systeme in Metall GmbHαW0.05–1.00

Fural Metal Ceiling Tile - Smooth / Perforated / Expanded Metal

A1 · Ceiling · +150 variantsEPD
Fural Ceiling Raft - Smooth / Perforated / Expanded Metal
Fural Systeme in Metall GmbHαW0.65–1.00

Fural Ceiling Raft - Smooth / Perforated / Expanded Metal

Free-hanging · +26 variantsEPD
Fural Acoustic Baffle
Fural Systeme in Metall GmbHαW0.30–0.90

Fural Acoustic Baffle

A1 · Free-hanging · +68 variantsEPD
raumAKUSTIKS Acoustic Picture
raumAKUSTIKSαW0.90

raumAKUSTIKS Acoustic Picture

50 mm · A2 · Highly absorbent · Wall
SUAM Acoustic Picture
SUAM Schall- & Akustikmanufaktur GmbHAobj2.00–2.07

SUAM Acoustic Picture

B1 · Broadband absorber · Wall, Ceiling · +2 variants
Fural Acoustic Wall
Fural Systeme in Metall GmbHαW0.40–1.00

Fural Acoustic Wall

A1 · Wall · +20 variantsEPD
Fural L-Absorber
Fural Systeme in Metall GmbHαW0.65–0.75

Fural L-Absorber

A1 · Wall · +12 variantsEPD
raumAKUSTIKS Partition Wall
raumAKUSTIKSαW0.90

raumAKUSTIKS Partition Wall

50 mm per side · A2 · Highly absorbent · Freestanding
raumAKUSTIKS Acoustic Partition Screen
raumAKUSTIKSαW0.90

raumAKUSTIKS Acoustic Partition Screen

50 mm per side · A2 · Highly absorbent · Freestanding
SUAM Wall and Ceiling Absorber
SUAM Schall- & Akustikmanufaktur GmbHαW0.90–0.95

SUAM Wall and Ceiling Absorber

50 mm or 80 mm · B1 · Broadband absorber · Wall, Ceiling · +3 variants
raumAKUSTIKS Ceiling Raft
raumAKUSTIKSαW0.90

raumAKUSTIKS Ceiling Raft

50 mm (single system), 150 mm (double system 100 + 50 mm) · A2 · Highly absorbent · Ceiling, Free-hanging
raumAKUSTIKS Baffle (Room Divider)
raumAKUSTIKSαW0.90

raumAKUSTIKS Baffle (Room Divider)

50 mm per side (total 2×50 mm = 100 mm effective area) · A2 · Highly absorbent · Free-hanging
raumAKUSTIKS Industrial Baffle
raumAKUSTIKSαW0.90

raumAKUSTIKS Industrial Baffle

50 mm per side, double-sided · A2 · Highly absorbent · Free-hanging
raumAKUSTIKS Round Ceiling Absorber
raumAKUSTIKSαW0.90

raumAKUSTIKS Round Ceiling Absorber

50 mm · A2 · Highly absorbent · Ceiling, Free-hanging
raumAKUSTIKS Ceiling Absorber
raumAKUSTIKSαW0.90

raumAKUSTIKS Ceiling Absorber

50 mm · A2 · Highly absorbent · Ceiling
raumAKUSTIKS Grid Ceiling Cushion
raumAKUSTIKSαW0.90

raumAKUSTIKS Grid Ceiling Cushion

50 mm · A2 · Highly absorbent · Ceiling, Integrated
raumAKUSTIKS Rafter Absorber
raumAKUSTIKSαW0.90

raumAKUSTIKS Rafter Absorber

50 mm · A2 · Highly absorbent · Ceiling
LIGNO® Akustik home
LIGNOTREND Produktions GmbHαW0.55–0.90

LIGNO® Akustik home

25 mm Element + Absorber direkt verklebt · D · Broadband absorber · Ceiling, Wall · +6 variants
Silentrooms Wall Absorber
PTBαW0.85

Silentrooms Wall Absorber

40 mm · B1
244 Bass Trap
GIK AcousticsαW1.00

244 Bass Trap

Wall, Freestanding
Soft Cells
Kvadrat AcousticsαW0.90

Soft Cells

Wall, CeilingEPD
QRD 734
RPG Acoustical SystemsαW—

QRD 734

Wall, Ceiling
Multifuser DC2
VicousticαW—

Multifuser DC2

Wall, Ceiling
Absorber CS
GerrietsαW0.95

Absorber CS

Wall, Freestanding, Free-hanging
PTB · MetalαW0.81

Lindner metal ceiling with mineral wool

0.63-0.75 mm (steel), 0.7-1 mm (aluminum) · Low-frequency absorber
PTB · StoneαW0.86

Rockfon Diffusorblox unpainted concrete masonry unit

12 inch · Low-frequency absorber
PTB · MetalαW0.73

Perforated metal plate with non-woven facing

Low-frequency absorber
PTB · FoamαW0.54–0.67

pinta acoustic PLANO-T melamine foam absorber

50 mm · Low-frequency absorber · +3 variants
PTB · Mineral woolαW0.83–0.87

Herafon basic stone wool ceiling tile

25 mm, 40 mm · Low-frequency absorber · +2 variants