Home > News > The company news > What is the difference between.....
Contact Us
Tel. Number: 0086 - 755-82239330 - 808
Email address: info@jaskeyworld.com
Office address:4/ Floor, Building 1 of Xingji Center, Danzhutou Industrial Area, Longgang District, Shenzhen, China
Contact Now
Latest News

Smart audio glasses introduce

In this era when intelligence is taking over our lives, there are more and more technological smart products such as mobile phones, tablet computers, ...

HKTDC 2020 Online Fair

Welcome to visit us via HKTDC Online Fair , please contact with us via mail info@jaskeyworld.com for more information, thanks!

Why are large portable speakers more popular?

Nowadays,large portable speaker are very common in the market. Not long ago, Meizu also released a small Bluetooth speaker. So why are large portable speakers so popular?

How to use tws bluetooth headset

After the tws bluetooth headset is paired, the mobile phone needs to search for bluetooth devices. Generally, it takes about 5 seconds tosearch for the tws bluetooth headset.Most cell phone passwords are 0000 or 1234, but some are specially set by the manufacturer, which will be detailed in your tws bluetooth headset manual.

Advantages of live broadcast

The information dimension of live broadcasting ismore abundant, which enables consumers to have a more intuitive and comprehensive understanding of product content and service information.The biggest advantage of live streaming is that it allows consumers to immerse themselves in the shopping scene.

How to better choose and use dancing speaker

For music lovers, they have a set of their favorite sound system, and one of the important components-speakers, play a decisive role in the quality of the replay sound, so when choosing dancing speakers, they will take great pains, but apart from comparing the speaker technology In addition to indicators and listening evaluation, some small knowledge about dancing speakers will also allow you to better choose and use dancing speakers.

The advantages of bluetooth wireless headphones

Don't worry, in order to cope with these situations, bluetooth wireless headphones have emerged, of course, the invention of bluetooth wireless headphones must be attributed to the development of science and technology and the infinite wisdom of human beings.

Selfie light - Illuminates your beauty

Whether it's a regular selfie light or a circular selfie light, you'll find your eyes twinkling after you take a selfie.Maybe you'll fall in love with this selfie light after you use it.


What is the difference between low-frequency speakers used in theaters and professional audio low-fr

  • Author:Hendy
  • Release Date:2021-09-17
Generally speaking, the low-frequency big portable speakers used in the theater and the low-frequency big portable speakers used in the professional audio field look the same. Although they generally have a black shell and two 18-inch low-frequency units, they are very different according to the special needs of each use scene.

Acoustic difference

In terms of acoustic performance, the low frequency output of the cinema low-frequency big portable speaker is lower than that of the usual professional audio low-frequency big portable speaker, because it needs to meet the ultra-low frequency sound effect in the movie. Lower low frequency means to make trade-offs in some other aspects, so it is not the most ideal for professional audio.

As the frequency drops, the travel of the sound cone will increase significantly. This means that the sound cone of a cinema low-frequency big portable loudspeaker will complete its physical journey at a lower power than a professional audio low-frequency big portable loudspeaker. Therefore, in cinema use scenes, a smaller power amplifier is generally used to drive multiple low-frequency big portable speakers to improve performance, instead of pursuing the higher the power, the better.

Extended low-frequency performance generally also requires a larger cabinet, which is not a problem for cinema big portable speakers, because they are usually only transported once and then fixedly installed in a place where the audience cannot see. However, for professional audio, a small box means that it is easier to transport to different event sites or install in a limited space. Because cinema low-frequency big portable speakers are installed behind the screen and curtain, the most important dimension for cinema low-frequency big portable speaker is thickness. Height and width are generally not a problem, so larger cabinets or situations where multiple low-frequency big portable speakers need to be deployed can be solved well.

As for the practicality of functions, there are also considerable differences between cinema low-frequency big and professional audio low-frequency big portable speakers. Since large theaters use a lot of low-frequency big portable speakers, cost control is also crucial.

Because cinema low-frequency big portable speakers generally only need to be fixed once, they will not be equipped with the handles that are common on professional audio low-frequency big portable speakers. And the cinema low-frequency big portable speakers are installed in places that are invisible behind the screen, so there is no need to paint or beautify the appearance. They are usually painted in a uniform black, without a logo, and use uniform, non-reflective black parts to ensure that no light will be reflected through the small holes on the screen during movie screenings.