Do i need to cover the entire wall with acoustic panels?

There is no doubt that the effect of sticking sound-absorbing panels on the whole wall is better than that of partial sticking. If you want a better sound absorption effect, it is recommended that you paste the entire wall. If you want better sound-absorbing and sound-insulating effects, you can also make keels on the wall, cover with sound-absorbing cotton, and then add sound-absorbing panels. This achieves better results.

Should acoustic panels be hung vertically or horizontally?

The installation of sound-absorbing panels is not divided into horizontal or vertical installation. But it should be noted that the positive and negative sides must be distinguished. In general, sound-absorbing panels are divided into rough or smooth panels. Generally speaking, the front is relatively smooth. If many manufacturers can achieve double-sided light. But it can also be seen that the gap on the back is larger. Pay attention when posting. It is recommended to glue the back to the wall. It will be more beautiful if the front is exposed to the wall.