The lm1-tb beam frame / C-ring accessory contains a C-ring

 and two beam guide rails to strengthen the ceiling material and disperse the pressure on the Ceiling Speaker clamp. Before installing the loudspeaker, the C-ring is fixed behind the mounting hole through the opening in the ceiling. Beam guide rail is suitable for 600mm long ceiling support beam.

Sales telephone (same number of wechat): 13428785305 QQ: 2461903042