Bass Booster & EQ Verstärker funktioniert nicht

This app also has built in audio visualizations, designed to boost your audio visual & listening experience. - Intuitive Player Controls - Shuffle, Repeat etc.  Note: DRM Protected Files or Apple Music content are not accessible to the users as developers do not have access to this API by design.  App also includes a 3D spatializer option which is supposed to create a unique experience when listening to music.  For the equalizer, we have preloaded 15+ presets (Normal, Classic, Dance, Flat, Acoustic, Electronic, Heavy Metal, Hip Hop, Jazz, Pop, Rock etc. ).  Create awesome music experiences through high definition Bass Boosting and EQ Amplification.  This app comes with a low frequency (Bass) Booster and a 10-band Equalizer with tunable controls.  In addition, you can create your own custom presets (premium feature).  Inconvenience is regretted.  To access premium features of this App, you'll need to purchase a subscription (auto-renewing). - Your Apple ID account will be charged for renewal within 24 hours before the end of the trial period. - Subscriptions can be managed by going to the user's Account Settings after purchase. - No cancellation of the current subscription is allowed during active subscription period. - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription. - By signing up to the subscription, you agree to our Terms of Service and Privacy Policy. *Price are equal to the value that "Apple's App Store Matrix" determines is the equivalent of the subscription price in $USD.