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MP3 320 or WAV for a Sound System, a DJ, or a Show?

File size, sound-booth compatibility, USB drives, backup files: the decision matrix to choose between MP3 320kbps and WAV depending on your event.

Gepubliceerd op 4 augustus 2026Mix production quality7 min leestijd

For most sound systems, DJs and shows, MP3 320kbps is enough and stays lighter to carry around; WAV becomes the right call when the sound booth explicitly requires it, or when the file will be re-encoded or remastered later. This guide gives the full decision matrix: file size, compatibility, USB drives, backup files, metadata.

MP3 320 vs WAV: the decision table

Criterion	MP3 320kbps	16-bit WAV
File size for 60 minutes	≈ 144 MB	≈ 600 to 700 MB
Universal compatibility	Nearly every player, sound system, car stereo	Very broad but sometimes rejected by old dedicated MP3 players
Perceived audio quality	Indistinguishable from lossless for most ears	Lossless, the reference for a later re-encode
Future re-encoding	Extra quality loss if re-encoded	No loss, ideal as a source file
Metadata (title, artist)	ID3 tags widely supported	Tag support more limited depending on the player
USB drive (limited capacity)	Recommended — several mixes fit easily	Can fill up a small drive for several mixes

Which to pick based on your situation

Wedding or community-hall PA: MP3 320kbps, more than enough and easier to carry on a USB drive. See our guide to preparing a mix for your DJ.
Professional DJ with a demanding sound booth: ask the sound engineer for their preferred format — some setups require WAV to avoid any compression artifact on very powerful equipment.
Show or competition with a backup file: bring both formats on two different media (a USB drive plus a phone, for example) — see our dance recital guide.
A file meant to be re-edited or remixed later: keep a WAV copy as the source, even if you distribute MP3 for everyday use.

Naming your file for an external sound booth

A clear file name avoids any confusion at the sound booth: date, event name, duration, version. Example: 2026-09-12_Smith-Wedding_Final-mix_58min.mp3. Full detail in our guide to handing off a mix to a DJ.

Exporting in the right format with MixClap

Finish your mix and listen to it one last time for free.
Choose MP3 320kbps for everyday use, or 16-bit WAV for a demanding sound booth or a future re-encode.
Export for €4.99 — both formats are included in the same price, so you can export both if needed.

Going further

Before exporting, also think about volume — see our volume normalization guide — and cut points — see our cut-point guide.

Veelgestelde vragen

Is MP3 320kbps enough for a wedding sound system?

Yes, in nearly every case. MP3 320kbps is indistinguishable from lossless for the vast majority of ears and stays much lighter to carry than a WAV file.

Why does a professional sound booth sometimes ask for WAV?

On very powerful equipment, some sound engineers prefer to avoid any compression artifact, however minor, and therefore ask for a lossless WAV file instead of an MP3.

What file size should you expect for 60 minutes of mix?

About 144MB in MP3 320kbps, versus 600 to 700MB in 16-bit WAV — a significant gap to account for if you’re carrying the file on a limited-capacity USB drive.

Should you always prepare a backup file?

Yes. A corrupted USB drive or a dead phone on the day is the most common incident at an event. Always bring a second copy on a different medium.

Can you export both MP3 and WAV from MixClap?

Yes. Both formats are offered at the same €4.99 export price; you can generate both files if your situation calls for it (everyday use plus a lossless source copy).