I am attempting to setup a Plantronics .Audio 400 DSP with a Raspberry Pi 2 Model B as the default device with Jessie installed. Headset Link: http://www.plantronics.com/us/product/audio-400-dsp

So far in all attempts I have been unsuccessful in setting this up as the default device. The USB is recognized by the Pi, and manually selecting this via aplay or arecord work:

aplay test.wav –Dsysdefault:CARD=DSP
arecord test.wav –Dsysdefault:CARD=DSP

Below I will include some research I have done and what I attempted:

In short, does anyone have detailed instructions on how to connect a USB Headset (microphone + headphones) to a Raspberry Pi 2 with Jessie installed as the default device?


  • Been trying to do the same thing with the same headphones. The program PulseAudio Volume Control helps to set various options for input and output of sound devices. But I have yet to get the microphone to work on the headset. Sorry this isn't too helpful. – energyi Feb 5 '16 at 23:52
  • 1
    Try this? superuser.com/a/1045885/20881 – Leif Gruenwoldt Feb 26 '16 at 18:21

From your first link, change default cards to 1, and also un-comment the line that says, load card-specific configuration files (on request). Then go into and edit /lib/modprobe.d/aliases.conf and change the line, options snd-usb-audio index=-2, to, options snd-usb-audio index=0, then run, cat /proc/asound/cards, and check to see that your device is at 0.

References: - https://superuser.com/questions/989385/alsa-base-conf-missing-in-new-raspberry-pi-raspbian-jesse - http://cmusphinx.sourceforge.net/wiki/raspberrypi

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