Tata suara diperiksa di belakang panggung.

Tata suara means the sound system or audio setup, especially in an event, theater, concert, or stage context.

• tata often refers to arrangement, organization, or management
• suara means sound or voice

So together, tata suara refers to the sound arrangement or audio system being used.

Diperiksa is the passive form of the verb memeriksa (to check / inspect).

• memeriksa = to check
• diperiksa = is checked / being checked / was checked, depending on context

In this sentence, the focus is on the sound system, not on who is checking it. That is very common in Indonesian.

So:

• Tata suara memeriksa... would mean the sound system checks..., which does not make sense here.
• Tata suara diperiksa... means the sound system is being checked / was checked...

Yes, it is a passive sentence.

The structure is:

• Tata suara = the thing receiving the action
• diperiksa = is checked / being checked
• di belakang panggung = backstage

So the sentence literally follows the pattern:

[thing] + [passive verb] + [location]

This is a very normal Indonesian structure.

They use di in two different ways.

1. di- attached to a verb

   • diperiksa
   • Here di- is a passive verb prefix
   • It must be written together with the verb

2. di as a preposition meaning in / at / on

   • di belakang panggung
   • Here di shows location
   • It must be written separately

So:

• diperiksa = passive verb
• di belakang = at/in the back of, behind

This is a very important spelling distinction in Indonesian.

Di belakang panggung means behind the stage or backstage.

Breakdown:

• di = at / in
• belakang = back / behind
• panggung = stage

In natural English, backstage is usually the best translation.
Literally, though, it is behind the stage.

Indonesian does not usually use articles like the, a, or an the way English does.

So:

• tata suara can mean sound system, the sound system, or sometimes a sound system
• panggung can mean stage or the stage

The exact meaning depends on context.

That is why Tata suara diperiksa di belakang panggung can naturally be understood as The sound system is being checked backstage even though there is no separate word for the.

It can mean any of those, depending on context.

Indonesian verbs do not automatically show tense the way English verbs do. So diperiksa is neutral by itself. It could mean:

• is checked
• is being checked
• was checked
• has been checked

The time is usually understood from context or from time words such as:

• sedang = currently / in the process of
• tadi = earlier
• kemarin = yesterday
• sudah = already

For example:

• Tata suara sedang diperiksa di belakang panggung.
  = The sound system is being checked backstage.

Without extra time markers, the sentence is simply context-dependent.

Yes. Indonesian can include the doer of the action, but often leaves it out if it is not important.

For example:

• Tata suara diperiksa oleh teknisi di belakang panggung.
  = The sound system is checked by the technician backstage.

Here:

• oleh = by
• teknisi = technician

However, Indonesian often prefers leaving the agent unstated if it is obvious or unimportant.

It sounds natural and fairly neutral. It is especially suitable in written language, announcements, stage management, event planning, or formal description.

In everyday speech, people might also say something a little more conversational, such as:

• Sound system-nya lagi dicek di belakang panggung.
• Tata suara lagi diperiksa di belakang panggung.

These sound more spoken because of lagi (currently) and the use of sound system from English, which is common in Indonesian conversation.

Panggung is pronounced roughly like pahng-goong.

A few notes:

• ng is the same sound as in English sing
• The u in gung is like the oo in book or good, though exact pronunciation can vary a bit by speaker
• Stress in Indonesian is usually not as strong or dramatic as in English

So a rough guide is:

panggung → PAHNG-goong

Yes, and that makes the meaning more explicitly in progress.

• Tata suara diperiksa di belakang panggung
  = The sound system is checked / is being checked / was checked backstage

• Tata suara sedang diperiksa di belakang panggung
  = The sound system is being checked backstage

Adding sedang helps if you specifically want to emphasize that the action is happening right now.