Your wireless headphones sound like shit because the microphone keeps getting enabled. No one wants that, bluetooth microphones are always terrible. NoBluetoothMic runs in the background and prevents this from happening so you have good sound all the time.
curl -fsSL https://raw.githubusercontent.com/darvell/nobluetoothmic/main/install.sh | bashnobluetoothmic --removenobluetoothmic --status # Check current state
nobluetoothmic --pause # Temporarily disable
nobluetoothmic --resume # Re-enable
nobluetoothmic --remove # Uninstall completely