Hello,
Thanks for your post.
It sounds like you may want to contact IK support. They will be the best suited to look into this behavior for you. Use the link below to contact the team and make sure to PM me your ticket number once opened.
https://www.ikmultimedia.com/contact-support/In the meantime, feel free to try the following:
*On newer iOS devices, like the iPhone 7 or iPad Pro 2017 you may want to use iOS 12 or later. This latest version of iOS optimizes digital audio devices. - Close all open apps
- Turn off your iOS device
- Wait 10 - 20 seconds
- Turn your iOS device back on
- Turn OFF WiFi and Bluetooth
- Turn ON Airplane mode
- Open AmpliTube
- Go to the Menu -> Setting
- Turn NO FEEDBACK ON (For headphone use)
- Turn Latency to LOW
- Turn Auto Sleep OFF
- Check to see if this helps