| Rank | Board name and description | Posts | Members |
| 1 | AVS Forums Audio, video and home cinema forums | 11042108 | 465108 |
| 2 | Hifi Forum German audio and video message boards | 5686129 | 368047 |
| 3 | Homecinema-fr French forums about home cinema hardware | 4966654 | 104636 |
| 4 | Steve Hoffman Music message boards | 3075798 | 16355 |
| 5 | K-v-R Audio message boards | 3071207 | 153194 |
| 6 | Head-Fi High-end headphones discussion forum | 2645779 | 49704 |
| 7 | Home Theater forum Home theater and entertainment discussion board | 2187204 | 79900 |
| 8 | AV Magazine Italian Audio/Video message board | 1427305 | 37069 |
| 9 | Sound Domain Car audio hardware forums | 851050 | 48475 |
| 10 | Sound Click Audio, Sound and Music discussion board | 546967 | 3395653 |