Android equalizer & VU meter
Hear it.Feel the difference.
Your music, tuned to you. Shape the bass, bring out the treble, and enjoy an audio console with an analog soul.
30 minutes free each day. One-time purchase for unlimited use.
Meet your music again
Small adjustments. A sound you love.
Use AMPL alongside your compatible music player. Find the balance that suits your songs, headphones, and speakers.
Shape your sound
Up to 10 EQ bands on supported devices, plus BASS, TREBLE, and MASTER controls with amplifier-inspired knobs.
Watch your music move
A live analog-style VU meter and optional song information. Enjoy the console in portrait or landscape.
Try it with your music
30 free minutes of active effect use each day. Unlock unlimited use with one purchase. No subscription.
The availability of 10-band EQ, the actual band count, and the effect can vary by device, music player, and audio output, including Bluetooth.
Getting started
Play. Tune. Enjoy.
AMPL works with your player. Keep listening to the music you already love.
Start your music
Play a track in a compatible music app and choose your headphones or speakers.
Open AMPL and adjust
Make gentle changes to the EQ, BASS, or TREBLE. Connect the VU meter and song display if you want those features.
Keep the music going
Return to your player or another app. AMPL keeps applying its effects in the background while effect use is available.
A little help
Support & FAQ
Quick answers, so you can get back to listening.
Does AMPL play music itself?
No. Play music in your usual compatible music app, then open AMPL to adjust its sound. Compatibility depends on the device, player, and output.
Why do I see fewer than 10 EQ bands?
AMPL uses 10-band EQ where supported. Otherwise, it uses the equalizer available on your device, which may have a different number of bands.
I cannot hear the effect. What should I check?
Make sure music is playing, your EQ or tone settings are not flat, and you still have free time or an unlimited purchase. Try a small adjustment at a comfortable volume.
If needed, reopen your music app or try another player or output. Some devices and playback paths may not support the effect.
Why does the VU meter ask for microphone permission?
Android requires this permission for the meter to measure internal audio playback. AMPL does not use microphone input or record, save, or transmit audio.
Tap the VU connection hint to enable the meter. The other audio features work without this permission.
Why does AMPL ask for notification permissions?
Notification access is optional and lets AMPL show song information from compatible players. Android grants broad access, but AMPL reads only media sessions, not the contents of your other notifications.
The separate notification permission lets AMPL display its effect status. Declining the status notification does not disable the audio effects.
How do the free minutes and purchase work?
You get 30 free minutes each day. Time counts only while audio plays with AMPL effects active. The allowance resets on the next local day.
A one-time Google Play purchase unlocks unlimited effect use. There is no subscription. Pricing is shown in the app.
I already purchased. How do I restore it?
Use the same Google Play account that made the purchase. AMPL normally checks your purchase automatically.
For a manual check, tap the free-time or purchase area in the app, then tap Restore. Make sure Google Play is available and your device has an internet connection.
How do I stop the effects?
Remove AMPL from your Recent apps list. This stops its effect service and removes its status notification.
Going to the Home screen or switching to another app keeps the effects running. Tapping the status notification opens AMPL.
What if the sound becomes distorted?
Reduce EQ boosts, BASS, TREBLE, or loudness, and lower the listening volume. Combining strong boosts can overload the sound. Start with small changes and adjust gradually.
Listen comfortably. Strong EQ or bass boosts can make music unexpectedly loud. Excessive volume and prolonged loud listening can damage your hearing. Start low, adjust gently, and take breaks.
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