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Use our free speaker dispersion calculator to instantly calculate speaker coverage width using accurate dispersion formulas. Simple, fast, and easy.
A speaker dispersion calculator helps you understand how sound spreads from a speaker in a real space. It shows how wide the sound coverage will be at a certain distance. This is very important for home audio systems, PA systems, auditoriums, classrooms, conference rooms, and outdoor sound setups.
We developed this speaker dispersion calculator so users can easily calculate speaker dispersion without complex math. You only need the dispersion angle and the distance. The calculator gives fast and accurate results. It saves time and improves sound system planning.
Speaker dispersion is also known as speaker coverage angle, sound dispersion, or audio spread angle. Knowing this value helps you place speakers correctly and avoid sound gaps or overlaps.
Speaker dispersion means how widely sound spreads from a speaker. It is usually measured in degrees. Manufacturers often provide horizontal and vertical dispersion angles such as 90 degrees by 60 degrees.
A wider dispersion means sound spreads over a larger area. A narrow dispersion means sound is more focused in one direction. Proper dispersion improves sound clarity and listener comfort.
The speaker dispersion formula is based on simple geometry. It calculates how wide the sound coverage becomes at a certain distance.
Speaker dispersion width = 2 × distance × tan(dispersion angle ÷ 2)
Here, distance is the space between the speaker and the listening area. The dispersion angle is the speaker’s coverage angle in degrees.
This formula is used by audio engineers and sound system designers worldwide. It provides accurate speaker coverage calculations.
Our online speaker dispersion calculator works on all devices. It is fast, simple, and beginner friendly.
Assume a speaker has a dispersion angle of 90 degrees. The distance from the speaker to the audience is 5 meters.
First, divide the dispersion angle by 2.
90 ÷ 2 = 45 degrees
Now apply the formula.
Speaker dispersion width = 2 × 5 × tan(45)
Since tan(45) equals 1.
Speaker dispersion width = 10 meters
This means the speaker covers a 10-meter wide area at a distance of 5 meters.
The speaker dispersion calculator is a powerful and easy tool for calculating sound coverage. It removes guesswork and improves audio planning. Whether you are setting up a home theater, PA system, or professional audio setup, this calculator gives accurate results in seconds.
We developed this tool to make speaker dispersion calculation simple for everyone. Just enter values and get instant results.
A good dispersion angle depends on room size. Common angles are 90 degrees or 120 degrees for wide coverage.
Yes. You can use the speaker dispersion formula, but an online calculator is faster and easier.
Yes. Speaker dispersion varies with frequency. Higher frequencies are more directional.
Yes. Speaker dispersion angle and speaker coverage angle mean the same thing.
Audio engineers, DJs, installers, home theater users, and event planners can all benefit.