# paplay -p -v -d bluetooth_output /afc/tmp/test.wav 
Opening a playback stream with sample specification 's16be 1ch 8000Hz' and channel map 'mono'.
Connection established.
Stream successfully created.
Buffer metrics: maxlength=4194304, tlength=32000, prebuf=31682, minreq=320
Using sample spec 's16be 1ch 8000Hz', channel map 'mono'.
Connected to device bluetooth_output (2, not suspended).
Got signal, exiting.ency: 2000000 usec.