Android · Music & Audio

Sound that hits
deeper.

Cortex App Network builds Multi Equalizer Lite and Multi Equalizer PRO — two Android audio apps that bring together equalizers, volume boost, and real-time spectrum views so you can shape sound with more control and clarity.

Get Multi Equalizer PRO Multi Equalizer Lite

10-Band PRO EQ

5-Band Lite EQ

Lite & PRO On Play Store

AUDIO ENGINE SPECTRUM LIVE

31Hz125Hz500Hz2kHz16kHz

Our products

Lite or PRO. Every listening scenario.

Start free with Multi Equalizer Lite, or step up to Multi Equalizer PRO for studio-grade control — built for listeners who refuse to settle.

FLAGSHIP

PRO No ads Music & Audio

Multi Equalizer PRO

The premium 10-band professional equalizer with hardware-inspired rotary controls, distortion-free Pro Volume, and a live audio spectrum visualizer. No ads, no subscription — shape bass, mids, and highs exactly how you want them, then lock it in.

10-band pro equalizer — 31 Hz to 16 kHz with pinpoint precision
Bass, Mid & High gain rotary knobs — deep lows, clear vocals, bright treble
Pro Volume Booster — exceed system limits, zero distortion
Full-screen Audio Engine Spectrum with color palette themes
Quick modes: Music, Movie & Podcast in one tap
Smart Bedtime Mode — gentle fade over 15–60 min so sleep isn't interrupted

Lite Free With ads

Multi Equalizer Lite

The free Multi Equalizer experience — raise the volume, boost the bass, and see your sound in real time. A 5-band graphic equalizer with a live spectrum analyzer and genre presets.

5-band graphic EQ — bass, low-mid, mid, high-mid, treble
Dynamic range optimization — cleaner sound at max volume
Live spectrum visualizer — see every adjustment instantly
Genre presets — Pop, Rock, Jazz, Classical and more
Full Bluetooth, car audio & wired headphone support

Cortex developer environment with code screens

Crafted by a developer who listens.

Every feature in Multi Equalizer Lite and PRO comes from a real need — cleaner bass on commutes, louder podcasts in noisy rooms, sleep-friendly fade-outs at night.

See all apps on Google Play

Why Multi Equalizer

Engineered for clarity, loudness & control

Not just louder — shaped. Lite gives you the essentials; PRO unlocks the full toolkit for real authority over how audio sounds.

🎛️

Precision Equalizer

5-band EQ in Lite, 10-band in PRO — exact frequency control from 31 Hz to 16 kHz. Shape bass, mids, and highs to perfection.

📊

Live Spectrum

A real-time audio spectrum that shows you frequency energy as it plays. See every EQ adjustment reflected instantly.

🔊

Safe Volume Boost

Go beyond the system volume cap with algorithms that amplify clean signal — not noise or distortion.

🎬

Content Modes

One-tap optimization for Music, Movie, and Podcast in PRO. Switch output profile without touching a single slider.

🌙

Bedtime Fade

PRO exclusive: a gentle −0.2 dB fade-down over your chosen interval. Fall asleep naturally; the music follows.

🎨

Themed Spectrum

PRO exclusive: full-screen spectrum mode with switchable color palettes. Your audio looks as good as it sounds.

Equalizer Compatibility

Perfect sound everywhere you listen

Multi Equalizer Lite and PRO are engineered for consistent, high-quality output across every audio output your Android device supports.

🎧

Headphones & earbuds

🔊

Built-in speaker

📶

Bluetooth audio

🚗

Car multimedia

🔌

AUX / wired output

Contact

Get in touch

Questions, feedback, or support — reach us by email.

cortexnetwork01@gmail.com

Multi Equalizer PRO audio engine spectrum

Ready to hear the difference?

Download Multi Equalizer Lite free or upgrade to PRO — transform how your Android device sounds on headphones, in the car, or filling the room.