https://www.greencable.fr/en/bose-wmbma12ma12ex-bipivot-bracket-white-xml-2259_2260_2333_2579-158478.html
BOSE- WMB-MA12/MA12EX Bi-Pivot Bracket- White BOSE PROFESSIONAL 760063 : securemail.fr
BOSE- WMB-MA12/MA12EX Bi-Pivot Bracket- White, Wall bracket offers pitch and yaw adjustment for MA12 and MA12EX loudspeakers. For indoor/outdoor use
pivot bracket