How to enable LDAC on Sony WF-1000-MX4?

I have tried everything, but I cannont get LDAC to work with Sony WF-1000-MX4.

I've added:

sudo add-apt-repository ppa:berglh/pulseaudio-a2dp

I ran update and upgrade and installed:

sudo apt install libldac pulseaudio-modules-bt libavcodec-extra58 libfdk-aac1 bluez pulseaudio blueman

When I run:

pacmd list cards

I get:

 index: 1 name: <bluez_card.14_3F_A6_A6_80_11> driver: <module-bluez5-device.c> owner module: 24 properties: device.description = "WF-1000XM4" device.string = "14:3F:A6:A6:80:11" device.api = "bluez" device.class = "sound" device.bus = "bluetooth" device.form_factor = "headset" bluez.path = "/org/bluez/hci0/dev_14_3F_A6_A6_80_11" bluez.class = "0x240404" bluez.alias = "WF-1000XM4" device.icon_name = "audio-headset-bluetooth" device.intended_roles = "phone" profiles: headset_head_unit: Headset Head Unit (HSP/HFP) (priority 30, available: unknown) a2dp_sink_sbc: High Fidelity Playback (A2DP Sink: SBC) (priority 40, available: unknown) a2dp_sink_aac: High Fidelity Playback (A2DP Sink: AAC) (priority 40, available: unknown) a2dp_sink_aptx: High Fidelity Playback (A2DP Sink: aptX) (priority 40, available: no) a2dp_sink_aptx_hd: High Fidelity Playback (A2DP Sink: aptX HD) (priority 40, available: no) a2dp_sink_ldac: High Fidelity Playback (A2DP Sink: LDAC) (priority 40, available: no) off: Off (priority 0, available: yes) active profile: <a2dp_sink_aac> sinks: bluez_sink.14_3F_A6_A6_80_11.a2dp_sink/#1: WF-1000XM4 sources: bluez_sink.14_3F_A6_A6_80_11.a2dp_sink.monitor/#2: Monitor of WF-1000XM4 ports: headset-output: Headset (priority 0, latency offset 0 usec, available: unknown) properties: headset-input: Headset (priority 0, latency offset 0 usec, available: unknown) properties:

The "no" at the end of (A2DP Sink: LDAC) (priority 40, available: no) is clear enough, but just to make sure I ran:

pacmd set-card-profile 1 a2dp_sink_ldac

and get :

Failed to set card profile to 'a2dp_sink_ldac'

Does anyone know what else I can try? I've spent an afternoon trying to get it to work.

I also tried Pipewire, but had comparable results.

4 Sorted by: Reset to default

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