<https://forum.audio.com.pl/#website>
<http://schema.org/inLanguage>
_:ndd0bfafea5bc4937a59369d1e5049926xb0
<https://forum.audio.com.pl/topic/60947-wzmak-stereo-z-pre-out-2-strefa-do-wyboru-i-wej%C5%9Bciem-optycznym/#comment-248598>