Download Free Alarm Sound Effects

Loud sci fi fire alarm, emergency siren inside a building, sharp warning beeps, reverb.

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Ominous submarine warning alarm, single sweep. Exactly 1.05 seconds. A harsh, buzzing synthetic tone that starts very low — like a growling engine at the bottom of hearing range — and sweeps steadily upward in pitch over the full duration, growing louder as it rises. The timbre is aggressive and sawtooth-like, buzzing and grating. It feels like a klaxon horn blaring inside a submarine during an emergency — danger, pressure, urgency. The volume pe

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futuristic reactor alarm, pulsing warning siren, synthetic low pitch, high tension, clean and looping

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sirene of a firefighter tryck

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A loud, extremely close police siren with sharp, clear rising-and-falling emergency tones. Intense, direct sound with minimal echo, as if the police car is right beside the listener. Strong air movement, engine hum, and subtle tire noise on pavement. No voices — just high-impact, close-range siren audio.

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Police car alarms or sirens

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air raid siren

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Alarma de laboratorio (“Warning! System Overload!”).

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police sirenes in the distance

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World War II air raid siren alarm. Long rising and falling wailing tone, mechanical and haunting, echoing across a city under attack. Old 1940s mechanical siren quality with slight distortion, deep rumble, and chilling resonance. Intense, ominous, cinematic — the classic alarm before a bombing raid.

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industrial warehouse Warning claxon awooga repeating alarm

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