Volume is the quantity of three-dimensional space enclosed by the product's chassis or, in simpler terms, the space the product occupies.
2.control panel placed on a device
There is a control panel on the device body, so you can easily access the volume control or remote without having to interact with a cable or another device it's connected to.
When covered under the manufacturer’s warranty it is possible to get a replacement in the case of a malfunction.
With a detachable cable you can use alternative cables, and if the cable is pulled it will pop out instead of breaking.
5.built-in subwoofer size
Bigger subwoofers are capable of producing deeper bass sounds.
We consider a lower weight better because lighter devices are more comfortable to carry. A lower weight is also an advantage for home appliances, as it makes transportation easier, and for many other types of products.