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Use the diese App App to test and set your own equalizer settings by adjusting Bass (200, 280, 400 Hz levels), Mid-Range (550, 770, 1000, 2000 Hz levels) and Treble (4000, 8000, 16000 Hz levels). diese App products come with controls in each earbud that control anything from volume, track changes, play/pause and more.  Adjust Noise Control settings, Be Aware, touch controls, safe listening levels, and sound to your personal preference – or use the presets for diese App Signature, Balanced, or Bass Boost.  Fine tune your sound by adjusting the equalizer settings. diese App products come set with three default settings - called Custom EQ3 Sound, which features diese App Signature, Balanced and Bass Boost and a 4th option 'Custom'.  Use the diese App App to increase or decrease the amount of outside noise you let in by adjusting your Be Aware settings.  With the new diese App App, you'll be able to increase the active noise canceling from off all the way to max ANC, (on your ANC compatible earbuds) while in the earbuds themselves you can only select on or off. Bring the outside in.  The new and improved diese App app offers complete customization for all diese App App compatible models.  All future diese App models will now support Safe Hearing.  If you'd like to switch the settings, you can customize your controls further via the app.  Plus, get software updates for your product right when they’re available.  Switch between the default output, 95 dB, or 85 dB for a safe listening experience.