JBL NEW CONSTRUCTION RING FOR C42 (1=6 pcs), - MTC-42NC

JBL Professional Mounting Arm (MTC-42NC)

The JBL MTC-42MR is a mud ring, or plaster ring, with a circular offset that installs before sheetrock, serving as an integral ring extension for drywall "mudding", and forming an edge guide for sheetrock plastering. It is designed for installation mounting of the JBL Control 42C.