Check the listing for details. On-Stage Stands EB9760B Exterior Mounting Bracket. Condition: New. Listed at 13.95 USD. The On-Stage EB9760 Exterior Speaker Mounting Bracket provides a convenient pole-mount socket solution for speaker cabinets without requiring a large cabinet cutout. Designed for secure installation, this bracket allows you to add a standard speaker pole mount to the exterior of a cabinet while maintaining structural integrity. A socket-tightening knob ensures a firm, nonslip grip for stable and precise speaker placement, helping keep your setup safe during performances or installations. Mounting screws are included for proper installation, making the EB9760 bracket a practical solution for upgrading or customizing speaker cabinets with reliable pole-mount capability. .