Mastered sound effects

Free CC0 mastered sound effects for games, apps, videos, and podcasts. 16 sounds.

Most downloaded mastered sounds

Cinematic tropical beach soundscape featuring waves, drums, synths, and natural ambiance.·background, beach
1:12
A chilly winter atmosphere with birds and flowing water, great for nature settings.·ambiance, ambience
1:40
Lo-fi cinematic synth and drum travel music·background, beat
1:12
A chilly winter atmosphere filled with birds and water sounds, ideal for film or relaxation.·ambiance, ambience
1:40
Gothic spooky piano concerto with dramatic booming low notes·background-music, booming
5:20
An abstract industrial electronic music loop mastered at 100 BPM, featuring experimental sounds and mouth voice samples.·100bpm, dance
0:07
A mastered deep house and EDM keyboard loop featuring synthesizer sounds at 124 BPM.·4x4-records, dance
0:07
A mastered electronic techno loop with industrial sounds and abstract vocal elements at 100 BPM.·100bpm, abstract
0:07
An abstract industrial music loop created from voice sounds and electronic effects.·industrial, abstract
0:29
An industrial-themed ambient soundscape with rhythmic textures, mastered for cinematic use.·100-bpm, mastered
0:15
A mastered abstract industrial sound loop with mouth voice samples, suitable for electronic music.·100bpm, mastered
0:07
A rhythmic loop blending bird sounds with industrial beats, great for unique soundscapes.·bird, birds
0:05
An abstract electronic loop with alien vibes, suitable for sci-fi themes.·100bpm, mastered
0:07
Field recording of city rain and thunder, edited and mastered for clarity.·city, day
1:10
An abstract loop with alien sounds, perfect for sci-fi themed projects.·100bpm, mastered
0:07
Recorded city rain and thunder with ambient urban sounds, edited and mastered.·city, day
0:39

Lots of Sounds API

Get mastered sounds from code

Search the full CC0 catalog from your app, game or AI agent with the REST API or the MCP server.

curl
curl -G https://api.lotsofsounds.com/api/v1/sounds \
  -H "x-api-key: $LOS_API_KEY" \
  --data-urlencode "tags=mastered" \
  --data-urlencode "limit=10"

Questions

What are mastered sounds used for?
Mastered sounds are commonly used in apps, games, videos, podcasts, and interactive media projects.
Can I use these sounds commercially?
Yes. Every sound is CC0: free for personal and commercial use, with no attribution required. A credit link to lotsofsounds.com is appreciated but optional.
How do I download a sound?
Open any sound to preview it for free. Sign in to a Lots of Sounds account to download MP3 files.

Get access to royalty-free sounds today

12,000+ CC0 sounds. Browse free, or add them to your app with one API key.

No credit card required. API from $15/mo. Pricing · API docs