Match the "boom" exactly with the final digit (zero) or the visual explosion/change in your media.
are you using this for (e.g., YouTube video, presentation)? Do you need other sound effects to go with it? Download countdown boom 76577 mp3
ElevenLabs Free Countdown Sound Effects : AI-generated options like chimes and ticks. If you can tell me: Match the "boom" exactly with the final digit
Use software like Audacity to increase the bass if the boom needs to sound more cinematic. Download countdown boom 76577 mp3