| Type | Reduction | Estimated value |
| TSS 102 with sound reduction | 20-25 dB | 42 dB |
| TSS 101/41 with vertical flange | 10-12 dB | 58 dB |
| TSS/RVK | 5-8 dB | 60 dB |
For mere info se IC Akademiet.
Sound reduction
| Type | Reduction | Estimated value |
| TSS 102 with sound reduction | 20-25 dB | 42 dB |
| TSS 101/41 with vertical flange | 10-12 dB | 58 dB |
| TSS/RVK | 5-8 dB | 60 dB |
For mere info se IC Akademiet.