Headset used Iqua BHS-611. How to reproduce this error: 1. sudo hciconfig device up 2. hcitool scan 3. sudo bluez-simple-agent hci0 <mac> 4. sudo bluez-test-device trusted <mac> yes 5. pulseaudio -k; sleep 4; pulseaudio -vv; 6. pactl load-module module-alsa-sink device="btheadset" 7. pactl load-module module-alsa-source device="btheadset" 8. aplay -D btheadset -f S16_LE wave.wav Works 9. arecord -D btheadset -f S16_LE wave2.wav Recording WAVE 'wave2.wav' : Signed 16 bit Little Endian, Rate 8000 Hz, Mono Final wave2.wav is always 2.092 B in size and contains only a wave header and zeroes. 10. parec Shows no output. Please use as a bug report or - better - show a solution. Alexander Winnig PS: .asoundrc: pcm.bt { type plug slave { pcm "bt_hw" } } pcm.bt_hw { type bluetooth device 00:1A:7D:11:C0:66 profile "auto" }