Bluetooth Error 104 - No output audio on Bose speaker

Hi dear community, I tried to connect my Bose audio speaker and I could do it but there is no audio output.
I tried to verify if the Bluetooth service is enabled and active:

sudo systemctl status bluetooth
● bluetooth.service - Bluetooth service
     Loaded: loaded (/usr/lib/systemd/system/bluetooth.service; enabled; preset: disabled)
     Active: active (running) since Thu 2023-04-27 08:19:10 CST; 1h 10min ago
       Docs: man:bluetoothd(8)
   Main PID: 766 (bluetoothd)
     Status: "Running"
      Tasks: 1 (limit: 9370)
     Memory: 2.8M
        CPU: 125ms
     CGroup: /system.slice/bluetooth.service
             └─766 /usr/lib/bluetooth/bluetoothd

Apr 27 09:13:45 conatus bluetoothd[766]: Endpoint registered: sender=:1.260 path=/MediaEndpoint/A2DPSource/aptx_ll_duplex_1
Apr 27 09:13:45 conatus bluetoothd[766]: Endpoint registered: sender=:1.260 path=/MediaEndpoint/A2DPSource/aptx_ll_duplex_0
Apr 27 09:13:45 conatus bluetoothd[766]: Endpoint registered: sender=:1.260 path=/MediaEndpoint/A2DPSource/faststream
Apr 27 09:13:45 conatus bluetoothd[766]: Endpoint registered: sender=:1.260 path=/MediaEndpoint/A2DPSource/faststream_duplex
Apr 27 09:13:45 conatus bluetoothd[766]: Endpoint registered: sender=:1.260 path=/MediaEndpoint/A2DPSink/opus_05
Apr 27 09:13:45 conatus bluetoothd[766]: Endpoint registered: sender=:1.260 path=/MediaEndpoint/A2DPSource/opus_05
Apr 27 09:13:45 conatus bluetoothd[766]: Endpoint registered: sender=:1.260 path=/MediaEndpoint/A2DPSink/opus_05_duplex
Apr 27 09:13:45 conatus bluetoothd[766]: Endpoint registered: sender=:1.260 path=/MediaEndpoint/A2DPSource/opus_05_duplex
Apr 27 09:13:54 conatus bluetoothd[766]: profiles/audio/avctp.c:avctp_control_confirm() Control: Refusing unexpected connect
Apr 27 09:29:34 conatus bluetoothd[766]: profiles/audio/a2dp.c:connect_cb() HUP or ERR on socket: Connection reset by peer (104)

On this post (Bluetooth Audio Headphones stops randomly (no sound, still connected) - #14 by anon553421) there was the solution concerning to install manjaro-pipewire and agree to remove pulseaudio:

sudo pacman -Rdd pulseaudio pulseaudio-alsa pulseaudio-ctl pulseaudio-equalizer pulseaudio-jack pulseaudio-lirc pulseaudio-modules-bt pulseaudio-rtp pulseaudio-zeroconf
sudo pacman -S manjaro-pipewire
sudo pacman -Rsn $(sudo pacman -Qdtq)

I gave it a shot but still no sound on my speaker.

Info about my system:

System:
  Kernel: 6.1.25-1-MANJARO arch: x86_64 bits: 64 compiler: gcc v: 12.2.1
    parameters: BOOT_IMAGE=/boot/vmlinuz-6.1-x86_64
    root=UUID=d97e7378-689f-4116-8a25-2b2c685ad35a rw quiet splash apparmor=1
    security=apparmor udev.log_priority=3
  Desktop: Xfce v: 4.18.1 tk: Gtk v: 3.24.36 info: xfce4-panel wm: xfwm
    v: 4.18.0 vt: 7 dm: LightDM v: 1.32.0 Distro: Manjaro Linux base: Arch Linux
Machine:
  Type: Laptop System: LENOVO product: 20366 v: Lenovo Z40-70
    serial: <superuser required> Chassis: type: 10 v: Lenovo Z40-70
    serial: <superuser required>
  Mobo: LENOVO model: Lancer 4A5 v: 31900059WIN serial: <superuser required>
    UEFI: LENOVO v: 9BCN91WW date: 07/21/2015
Battery:
  ID-1: BAT0 charge: 11.6 Wh (53.7%) condition: 21.6/28.5 Wh (75.8%)
    volts: 14.2 min: 14.4 model: Lenovo IdeaPad type: Unknown serial: <filter>
    status: discharging
Memory:
  RAM: total: 7.65 GiB used: 3.37 GiB (44.1%)
  RAM Report: permissions: Unable to run dmidecode. Root privileges required.
CPU:
  Info: model: Intel Core i5-4210U bits: 64 type: MT MCP arch: Haswell
    gen: core 4 level: v3 note: check built: 2013-15 process: Intel 22nm
    family: 6 model-id: 0x45 (69) stepping: 1 microcode: 0x26
  Topology: cpus: 1x cores: 2 tpc: 2 threads: 4 smt: enabled cache:
    L1: 128 KiB desc: d-2x32 KiB; i-2x32 KiB L2: 512 KiB desc: 2x256 KiB
    L3: 3 MiB desc: 1x3 MiB
  Speed (MHz): avg: 1472 high: 1696 min/max: 800/2700 scaling:
    driver: intel_cpufreq governor: schedutil cores: 1: 1696 2: 1696 3: 1696
    4: 800 bogomips: 19161
  Flags: abm acpi aes aperfmperf apic arat arch_perfmon avx avx2 bmi1 bmi2
    bts clflush cmov constant_tsc cpuid cpuid_fault cx16 cx8 de ds_cpl dtes64
    dtherm dts epb erms est f16c flush_l1d fma fpu fsgsbase fxsr ht ibpb ibrs
    ida invpcid invpcid_single lahf_lm lm mca mce md_clear mmx monitor movbe
    msr mtrr nonstop_tsc nopl nx pae pat pbe pcid pclmulqdq pdcm pdpe1gb pebs
    pge pln pni popcnt pse pse36 pti pts rdrand rdtscp rep_good sdbg sep smep
    ss ssbd sse sse2 sse4_1 sse4_2 ssse3 stibp syscall tm tm2 tsc tsc_adjust
    tsc_deadline_timer vme xsave xsaveopt xtopology xtpr
  Vulnerabilities:
  Type: itlb_multihit status: KVM: VMX unsupported
  Type: l1tf mitigation: PTE Inversion
  Type: mds mitigation: Clear CPU buffers; SMT vulnerable
  Type: meltdown mitigation: PTI
  Type: mmio_stale_data status: Unknown: No mitigations
  Type: retbleed status: Not affected
  Type: spec_store_bypass mitigation: Speculative Store Bypass disabled via
    prctl
  Type: spectre_v1 mitigation: usercopy/swapgs barriers and __user pointer
    sanitization
  Type: spectre_v2 mitigation: Retpolines, IBPB: conditional, IBRS_FW,
    STIBP: conditional, RSB filling, PBRSB-eIBRS: Not affected
  Type: srbds mitigation: Microcode
  Type: tsx_async_abort status: Not affected
Graphics:
  Device-1: Intel Haswell-ULT Integrated Graphics vendor: Lenovo driver: i915
    v: kernel arch: Gen-7.5 process: Intel 22nm built: 2013 ports: active: eDP-1
    empty: DP-1,HDMI-A-1,HDMI-A-2 bus-ID: 00:02.0 chip-ID: 8086:0a16
    class-ID: 0300
  Device-2: Syntek Lenovo EasyCamera type: USB driver: uvcvideo bus-ID: 2-6:4
    chip-ID: 174f:14b2 class-ID: 0e02 serial: <filter>
  Display: x11 server: X.Org v: 21.1.8 compositor: xfwm v: 4.18.0 driver: X:
    loaded: modesetting alternate: fbdev,vesa dri: crocus gpu: i915
    display-ID: :0.0 screens: 1
  Screen-1: 0 s-res: 1366x768 s-dpi: 96 s-size: 361x203mm (14.21x7.99")
    s-diag: 414mm (16.31") monitors: <missing: xrandr>
  Monitor-1: eDP-1 model: LG Display 0x0455 built: 2014 res: 1366x768
    dpi: 112 gamma: 1.2 size: 310x174mm (12.2x6.85") diag: 355mm (14")
    ratio: 16:9 modes: 1366x768
  API: OpenGL Message: Unable to show GL data. Required tool glxinfo missing.
Audio:
  Device-1: Intel Haswell-ULT HD Audio vendor: Lenovo driver: snd_hda_intel
    v: kernel bus-ID: 00:03.0 chip-ID: 8086:0a0c class-ID: 0403
  Device-2: Intel 8 Series HD Audio vendor: Lenovo driver: snd_hda_intel
    v: kernel bus-ID: 00:1b.0 chip-ID: 8086:9c20 class-ID: 0403
  API: ALSA v: k6.1.25-1-MANJARO status: kernel-api with: aoss
    type: oss-emulator tools: alsamixer,amixer
  Server-1: JACK v: 1.9.22 status: off tools: N/A
  Server-2: PipeWire v: 0.3.70 status: active with: 1: pipewire-pulse
    status: active 2: wireplumber status: active 3: pipewire-alsa type: plugin
    tools: pactl,pw-cat,pw-cli,wpctl
Network:
  Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet
    vendor: Lenovo driver: r8169 v: kernel pcie: speed: Unknown lanes: 63
    link-max: gen: 6 speed: 64 GT/s port: 4000 bus-ID: 01:00.0
    chip-ID: 10ec:8168 class-ID: 0200
  IF: enp1s0 state: down mac: <filter>
  Device-2: Realtek RTL8723BE PCIe Wireless Network Adapter
    vendor: Lenovo Z50-75 driver: rtl8723be v: kernel pcie: gen: 1
    speed: 2.5 GT/s lanes: 1 port: 3000 bus-ID: 02:00.0 chip-ID: 10ec:b723
    class-ID: 0280
  IF: wlp2s0 state: up mac: <filter>
  IP v4: <filter> type: dynamic noprefixroute scope: global
    broadcast: <filter>
  IP v6: <filter> type: dynamic noprefixroute scope: global
  IP v6: <filter> type: noprefixroute scope: link
  WAN IP: <filter>
Bluetooth:
  Device-1: Realtek RTL8723B Bluetooth type: USB driver: btusb v: 0.8
    bus-ID: 2-7:5 chip-ID: 0bda:b728 class-ID: e001 serial: <filter>
  Report: rfkill ID: hci0 rfk-id: 3 state: up address: see --recommends
Logical:
  Message: No logical block device data found.
RAID:
  Message: No RAID data found.
Drives:
  Local Storage: total: 931.51 GiB used: 13.94 GiB (1.5%)
  SMART Message: Required tool smartctl not installed. Check --recommends
  ID-1: /dev/sda maj-min: 8:0 vendor: Toshiba model: MQ04ABF100
    size: 931.51 GiB block-size: physical: 4096 B logical: 512 B speed: 6.0 Gb/s
    type: HDD rpm: 5400 serial: <filter> rev: 1A scheme: GPT
  Optical-1: /dev/sr0 vendor: HL-DT-ST model: DVDRAM GUC0N rev: T.02
    dev-links: cdrom
  Features: speed: 24 multisession: yes audio: yes dvd: yes
    rw: cd-r,cd-rw,dvd-r,dvd-ram state: running
Partition:
  ID-1: / raw-size: 931.22 GiB size: 915.53 GiB (98.32%) used: 13.94 GiB (1.5%)
    fs: ext4 dev: /dev/sda2 maj-min: 8:2 label: N/A
    uuid: d97e7378-689f-4116-8a25-2b2c685ad35a
  ID-2: /boot/efi raw-size: 300 MiB size: 299.4 MiB (99.80%)
    used: 312 KiB (0.1%) fs: vfat dev: /dev/sda1 maj-min: 8:1 label: N/A
    uuid: B317-8A71
Swap:
  Alert: No swap data was found.
Unmounted:
  Message: No unmounted partitions found.
USB:
  Hub-1: 1-0:1 info: Full speed or root hub ports: 2 rev: 2.0 speed: 480 Mb/s
    chip-ID: 1d6b:0002 class-ID: 0900
  Hub-2: 1-1:2 info: Intel Integrated Rate Matching Hub ports: 8 rev: 2.0
    speed: 480 Mb/s chip-ID: 8087:8000 class-ID: 0900
  Hub-3: 2-0:1 info: Hi-speed hub with single TT ports: 9 rev: 2.0
    speed: 480 Mb/s chip-ID: 1d6b:0002 class-ID: 0900
  Device-1: 2-1:2 info: Microsoft Nano Transceiver v1.0 for Bluetooth
    type: Keyboard,Mouse,HID driver: hid-generic,usbhid interfaces: 3 rev: 2.0
    speed: 12 Mb/s power: 100mA chip-ID: 045e:0745 class-ID: 0300
  Device-2: 2-4:3 info: Realtek RTS5129 Card Reader Controller
    type: <vendor specific> driver: rtsx_usb,rtsx_usb_ms,rtsx_usb_sdmmc
    interfaces: 1 rev: 2.0 speed: 480 Mb/s power: 500mA chip-ID: 0bda:0129
    class-ID: ff00 serial: <filter>
  Device-3: 2-6:4 info: Syntek Lenovo EasyCamera type: Video driver: uvcvideo
    interfaces: 2 rev: 2.0 speed: 480 Mb/s power: 500mA chip-ID: 174f:14b2
    class-ID: 0e02 serial: <filter>
  Device-4: 2-7:5 info: Realtek RTL8723B Bluetooth type: Bluetooth
    driver: btusb interfaces: 2 rev: 2.1 speed: 12 Mb/s power: 500mA
    chip-ID: 0bda:b728 class-ID: e001 serial: <filter>
  Hub-4: 3-0:1 info: Super-speed hub ports: 4 rev: 3.0 speed: 5 Gb/s
    chip-ID: 1d6b:0003 class-ID: 0900
Sensors:
  System Temperatures: cpu: 38.0 C mobo: N/A
  Fan Speeds (RPM): N/A
Info:
  Processes: 203 Uptime: 1h 16m wakeups: 1 Init: systemd v: 252
  default: graphical tool: systemctl Compilers: gcc: 12.2.1 clang: 15.0.7
  Packages: pm: pacman pkgs: 1089 libs: 351 tools: pamac pm: flatpak pkgs: 0
  Shell: Bash v: 5.1.16 running-in: xfce4-terminal inxi: 3.3.26

Oh I’m such a noob, it seems that I haven’t made the connection in output devices on the volume control. I just did that and there is no problem with the sound, sorry.
Best regards.

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