Improve Sound System Performance with Speaker Decouplers

If you have a powerful sound system but notice you’re getting distracting vibrations, distortion or underwhelming or boomy bass, there’s a sound treatment that may help. That method would be decoupling your speakers, a process that involves removing the subwoofer or speaker from the building structure and adding cushions between the two to separate the connection.

There are many variables which can affect sound and an audio system’s performance, but fortunately there is a very simple test to see if decoupling will benefit you. Simply have a friend gently lift the speaker or sub off the ground by an inch or two, while sitting in your prime listening area. If the sound quality is improved and distortion and vibration is reduced while separated from its table, shelf or stand, it can probably benefit from decoupling.

There are plenty of ways to get this performance long-term, without having a friend around every time you want to listen to something. Some solutions are basic DIY methods like cutting rubbery racquetballs in half or using inflated bicycle tire tubes to float the speaker off of the ground. One of the easiest, most reliable and functional methods is the use of acoustic foam decouplers, a type of foam sound treatment. These can absorb the vibrations generated as speakers hit and fire without transferring the sound throughout a room’s structure. Some are also specially engineered with an angled pitch in their design to help you aim sound and target areas for additional enjoyment and performance. Many decouplers come in sets that feature another wedge of the same angle for doubling the pitch of the original piece or creating a zero degree, flat surface.

If you aren’t getting the performance you want out of your speakers, the problem could be their environment, a situation that may be remedied by the sound insulation method of decoupling speakers.

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