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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [N56VZ, Realtek ALC663, Black Headphone Out, Right] No sound from Subwoofer in 2.1 mode"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91568#c20">Comment # 20</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [N56VZ, Realtek ALC663, Black Headphone Out, Right] No sound from Subwoofer in 2.1 mode"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91568">bug 91568</a>
from <span class="vcard"><a class="email" href="mailto:superquad.vortex2@gmail.com" title="Raymond <superquad.vortex2@gmail.com>"> <span class="fn">Raymond</span></a>
</span></b>
<pre>only 4 channels is supported since one DAC is used by the headphone, you need
to use 2.1 profile
post the pulseaudio verbose log if it still not working</pre>
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