Same problem with Sony WH-1000XM2 My workaround is
1. Turn on headphone, wait to connect with low quality sink 2. Turn off bluetooth, wait couple of seconds and turn on 3. Reconnect headphones. Works all the time. Ubuntu: 18.04 Sony WH-1000XM2 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to bluez in Ubuntu. https://bugs.launchpad.net/bugs/1845046 Title: Bluetooth headphones/speaker default to low quality headset mode and fails to switch to A2DP when selected Status in bluez package in Ubuntu: Confirmed Status in gnome-control-center package in Ubuntu: Confirmed Status in pulseaudio package in Ubuntu: Confirmed Bug description: Whenever I turn on my headphones theyll connect to my computer but im able to hear the input audio from my microphone and low quality output audio. I have to disconnect the headphones in the bluetooth devices and reconnect for it to fix the problem. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: pulseaudio 1:11.1-1ubuntu7.2 ProcVersionSignature: Ubuntu 5.0.0-29.31~18.04.1-generic 5.0.21 Uname: Linux 5.0.0-29-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.9-0ubuntu7.7 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: litleck 1398 F.... pulseaudio /dev/snd/controlC0: litleck 1398 F.... pulseaudio CurrentDesktop: ubuntu:GNOME Date: Mon Sep 23 17:07:59 2019 InstallationDate: Installed on 2019-09-22 (0 days ago) InstallationMedia: Ubuntu 18.04.3 LTS "Bionic Beaver" - Release amd64 (20190805) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: pulseaudio Symptom: audio Symptom_Card: WH-1000XM3 Symptom_Type: High background noise, or volume is too low Title: [WH-1000XM3, playback] Background noise or low volume UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 02/12/2019 dmi.bios.vendor: Alienware dmi.bios.version: 1.0.19 dmi.board.name: 01NYPT dmi.board.vendor: Alienware dmi.board.version: A00 dmi.chassis.type: 3 dmi.chassis.vendor: Alienware dmi.chassis.version: Not Specified dmi.modalias: dmi:bvnAlienware:bvr1.0.19:bd02/12/2019:svnAlienware:pnAlienwareAuroraR5:pvr1.0.19:rvnAlienware:rn01NYPT:rvrA00:cvnAlienware:ct3:cvrNotSpecified: dmi.product.family: Alienware dmi.product.name: Alienware Aurora R5 dmi.product.sku: 0729 dmi.product.version: 1.0.19 dmi.sys.vendor: Alienware To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/1845046/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
