Format:
1500+ Files
200+ Files
25.2GB
3.98GB
Royalty-Free
















Ignite your creativity with The Low Frequency Designed bundle from 344 Audio.
Transform your projects by adding sweeteners and additional depth, to designing natural disasters, explosions, creature sounds, sci-fi drones, vehicle effects, and more. This library empowers sound designers by offering a variety of low-frequency effects that bring richness, depth, and body to any mix, sparking creativity and elevating your projects. Subsonic sounds can be notoriously difficult to record and edit, but our expert audio team has handled all the heavy lifting for you, delivering pristine, ready-to-use files. Beyond film post-production and game sound, this collection is also incredibly useful for music producers and composers seeking to enhance their tracks with powerful low-end elements.
This sound library contains over 1,500 sounds embedded in UCS metadata. P.S. Don’t forget to turn down your speakers, the audio preview may cause neighbor complaints.
SUB, BASS, LFE, RUMBLES, THUMPS, DRONES, VIBRATIONS, IMPACTS, DROPS, RIPPLES, SYNTH, GRIT, EARTH, SCI-FI, SEISMIC, SUBSONIC, PRESSURE, HITS, ECHOES, SCRAPES, MOVEMENT, DARK, RESONANCE, HUM, FILTERED, CINEMATIC, DEPTH, TREMORS, TENSION, SHUDDERS, AMBIENCES, GEOPHONES, GLITCHES
When you purchase a sound effects product (single sound or bundle) from 344 Audio, you gain a perpetual single user license to use that high-quality audio in your creative projects—whether personal or commercial. These sounds are yours to shape and adapt, but you may not resell, create derivative sound effects to sell, redistribute, or share them without prior written consent. Your creativity deserves tools without limits, and that’s exactly what we provide.
This License Agreement ("Agreement") is entered into between 344 Audio Limited ("Licensor") and you ("Licensee") upon purchase, download, or use of any sound effects, audio packs, or related products ("Sounds") from 344 Audio Limited’s platform or affiliated distributors. By purchasing or using the Sounds, you agree to the terms outlined in this Agreement. If you do not agree, do not use the Sounds.
Thank you for choosing 344 Audio Sound Effects. For enquiries, please contact admin@344sfx.com.
Last updated: October 31st 2025


FIRE, LAVA, MAGMA, BUBBLES, TORCH, AIR, DESIGNED, THRUSTER, WIND, NOISE, JET, AMBIENCES, ELECTROMAGNETIC, ELECTRIC, ELECTRONIC, ELECTRICITY, SURGE, BUZZ, GLITCH, SPARK, SCI-FI, SAND, DIRT, RUBBLE, GRASS, FOLIAGE, MOVEMENT, RUSSLING, IMPACTS, METAL, CHAINS, RATTLES, RATCHET, BREEZEBLOCKS, RISER, WOOSH, PASS BY, TWIGS BRANCHES, WOOD, GLASS, SMASHES, BANGS, LIQUID, HYDROPHONE, SPLASH, WATER, KEYS, GUN, HANDLING



A large selection of doppler effects capturing natural pitch shift and spatial movement. Includes fast and slow pass-bys, short fly-overs, sustained movements, and stuttering passes suitable for vehicles, characters, weapons, and environmental motion.
Short and long swooshes ranging from subtle airflow to aggressive cinematic motion. Includes sudden swooshes, atmospheric sweeps, alien flight movements, and transitional passes designed for edits, reveals, impacts, and scene changes.
Musical and tonal doppler effects created from piano, vibraphone, bells, kalimba, and synthesized sources. These sounds add emotional movement and harmonic interest, ideal for cinematic transitions, UI motion, and stylized sound design.
A wide range of vocal-based dopplers including angelic, ethereal, calm, mysterious, and ominous tones. Includes vocal pass-bys, risers, transitions, moans, choir-like textures, and expressive sci-fi vocal movement.
Designed sci-fi dopplers and fly-bys featuring alien motion, futuristic vehicles, abstract energy movement, glitching passes, UI-style transitions, and otherworldly spatial effects.
Organic swooshes and dopplers such as bamboo movements, antique textures, bells, bikes, and real-world motion sources, blended with mechanical and designed elements for realism and variation.
Includes dry sirens, non-doppler sirens, and processed sirens ranging from clean functional alerts to cinematic warning tones, ominous horns, and futuristic alarm-style movement.