Unkown Speaker

 Dear Colleagues, to identify the unknown speaker box and ask for your help.
Maybe the speaker box is newer than the speaker itself? We are not more information on size, rear box of photos, because the one guy I know works.
Sincerely,
STS

• unkown_speaker_box (59 KB)
• unkown_speaker_inside (57 KB)
• unkown_speaker_inside_back (66 KB)
• unkown_speaker_inside_front (70 KB)

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