ASO keywords
Most repeated terms in the listing. Highlighted ones also appear in the title or short description.
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Store description
🎧 Echo Equalizer: Bass Booster, Volume Booster & Sound Booster — A System-Wide Equalizer for Android Phone. Pure Sound. Zero Interruptions.
Echo is a system-wide equalizer that works across every app — Spotify, YouTube, YouTube Music, Samsung Music, games, Android Auto, and more. No root required. No setup. Whether you need a Bass Booster for Headphones, a Volume Booster for quiet videos, or a Sound Booster for car audio — studio-grade sound without distortion.
🎧 Auto EQ — A Headphone Equalizer for Your Exact Model
Search 6,000+ headphones and earbuds — this AutoEq headphone equalizer applies the lab-measured correction curve for your model in one tap. Auto EQ headphone profiles for Apple, KZ, AKG, Sony, Bose, JBL, Sennheiser and Galaxy Buds, reapplied on every connect. A true headphone EQ and earbuds equalizer, not a generic preset.
🎚️ 10-Band Equalizer for Android
A true 10-band equalizer with 5, 7, 10, 12, 15, or 31 band modes — far beyond a basic 10-band EQ. Fine-tune every frequency — booming subwoofer bass, crystal-clear treble, balanced sound. Custom presets for Rock, Pop, Jazz, EDM, Classical, Hip-Hop, and more.
🔊 Bass Booster & Bass Boost — Feel Every Beat
Echo's professional bass boost lifts low frequencies without distortion. The eq bass booster and subwoofer bass booster work on headphones, Bluetooth speakers, car audio, subwoofers, and phone speakers — deep, punchy bass and extra bass everywhere.
📈 Volume Booster, Sound Booster & Loudness Booster
Boost quiet audio safely with a built-in Volume Booster, Sound Booster, and Loudness Booster — no clipping. Echo works as a Headphone Volume Booster, Headphone Booster, Bluetooth Volume Booster, and Speaker Booster in one. Make your speaker and headphones louder for quiet videos and podcasts — a real equalizer sound booster for music, movies and games. A loudness booster, headphone volume booster and eq bass booster — without distortion.
📱 Works With Spotify, YouTube Music & Every App
Unlike built-in equalizers, Echo applies system-wide. Use it as a Spotify equalizer, YouTube Music equalizer, YouTube or TikTok equalizer, or with VLC, Poweramp, Apple Music, Tidal, Amazon Music, and any local player. No root required.
🚗 Android Auto, Bluetooth & Car Audio Support
Echo works with Android Auto, Bluetooth headphones and speakers, car audio and home theater. The car equalizer tunes sound for in-vehicle listening; the Bluetooth equalizer remembers your preset per device. Auto-Switching applies your saved mixes on connect. The 3D Virtualizer and surround sound equalizer turn stereo into room-filling surround sound.
🎛️ Advanced Limiter & Compressor
An advanced limiter and multiband compressor prevent distortion at high volumes. Studio-grade sound for audiophiles.
👂 Ear Tune & Safe Hearing — Personalized Sound
Take a 60-second hearing test and Echo builds your hearing profile, then tunes itself to what you actually hear — a personalized equalizer that mutes the frequencies your ears miss for a cleaner signal. Safe Hearing eases high frequencies on long, loud sessions to cut listening fatigue. Sound personalization, not a medical ear test.
✅ Ad-Free. No Root Required.
Ad-free. Fully unlocked core features: 10-Band Equalizer, Bass Booster, Volume Booster, Sound Booster, and the free ear test. Material You theming. Pro adds Auto EQ, the limiter, compressor, parametric EQ, 15/31-band modes, one-tap Quick Tile, and home-screen shortcuts.
🎚️ More Than a 10 Band Equalizer
Echo is a full graphic equalizer and audio enhancer in one. Use the preamp to set gain, then shape a true 10 band equalizer curve — an equalizer for Android with an FxSound- and Poweramp-style feel. The treble booster sharpens highs, the x bass booster and epicenter bass add low-end punch, and 8D audio widens the stage.
Download Echo — the system-wide Equalizer, Bass Booster, Volume Booster, Sound Booster & Speaker Booster. No root. No ads. Pure sound.
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