SUMMARY When using a device with multiple speakers, such as the xiaomi-wt88047 phone, the alarm will ring from the back speaker. If you have such a device laying with the back on something soft, such as your mattress, the alarm might become completely inaudible. STEPS TO REPRODUCE 1. Set alarm 2. Set device speaker side down on a mattress 3. Alarm is inaudible when it rings OBSERVED RESULT The alarm only rings through the main speaker. EXPECTED RESULT The alarm should also ring through the secondary speaker, to improve the chances of it being heard. ADDITIONAL INFORMATION Other dealings with the audio system have been discussed here: https://bugs.kde.org/show_bug.cgi?id=471064