What are The Best Subwoofer Box: Sealed Vs Vented Vs Bandpass

Chadha Ruchi
3 min readSep 25, 2019

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When it refers to subwoofers, many people do their analysis and spend enough amounts of time figuring out which sub is good for them. Fewer people spend the same amount of time considering something exactly as valuable as the subwoofer and also is the box that the sub requires. There are a wide variety of subwoofer boxes for deep bass on the market today. They are available in different styles and sizes, are made from various materials and manufactured by many manufacturers. Many audio enthusiasts even choose to build their own boxes. Although this kind of large selection is in the market, there are basically three kinds of boxes. The two most popular kinds of subwoofer enclosures are sealed and vented. A third choice is a hybrid of the first two called a bandpass box.

Sealed

A sealed subwoofer box is exactly what it sounds like. The speaker faces outward from the box and the rest of the box is sealed so that no air can escape. This is probably the most common type of box. Due to the reality that no air can leak in or out of the box, a sealed box produces very accurate sound and can handle very low frequencies better than most boxes.

One drawback of a sealed box is that it usually requires more energy than a vented box. However, a sealed box is a good option for anyone who prefers a real high-quality sound from their subwoofer.

A sealed box may be bought at any good electronics store or it is feasible to set up your own. There are numerous websites and/or videos available on the web with plans to help you with the design.

Vented

Vented boxes are also known as ported boxes. These types of boxes contain a small air vent or port in the enclosure that allows air to pass from the box. These boxes create a very loud sound using less power to drive the woofer however, they are also less accurate and will produce lower-quality sound than a sealed box.

Vented boxes are tuned to a specific frequency range figured out by length, width and diameter of the vent. There are several different variations of vents. For example, a vent could be round or it could be long and narrow, more like a slot. Every subwoofer has a specific frequency that it is designed to run at for its maximum output. By modifying the vent, the subwoofer can be tuned to different frequency ranges.

One of the benefits of a vented box is that it needs less power to drive the subwoofer. However, one disadvantage of a vented enclosure is that the bass is not as correct just like a sealed box.

Bandpass

One more option that is often overlooked when people are talking about which kind of subwoofer box is best is the bandpass box. This is a type of hybrid box that is essentially a combo of a sealed and vented box. Bandpass boxes are extremely efficient. A subwoofer is installed inside a dual-chambered enclosure. One enclosure is vented and the other is sealed. The bass from the sound speaker travels out from the sealed enclosure and then carries on out with the vent in the external box. This generates deeper sounding bass and requires less power than a sealed box alone. However, not all subwoofers will work in a bandpass box so one requires to perform their analysis when considering a bandpass box. They are also very tough to build. If you are considering building your own box, it may be simpler to go with a regular sealed or vented box. Check out our expert review of subwoofers on mybestsubwoofer.com

As with many options in life, the option as in order to which subwoofer box corrects for any given person will come down to that specific and the factors impacting their decision. It really depends on many different factors that no one can say in which box is best overall. Details like size, cost, and sound quality will all play a part in the selection. The good news is that regardless of the combination of factors, there makes sure to get a subwoofer box out there that fits all your goals.

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Chadha Ruchi

Hi, I am tech lover, Also love to use tech gadget. blog editor and writer at mybestsubwoofer.com