JL Audio ETXv3 Enclosed Speaker System Swivel Mount f/Pipe Mounting - M-SWMCPv3-2.500 [010-13721-00]ETXv3 Enclosed Speaker System Swivel Mount for Pipe Mounting M SWMCPv3 2. 500 2. 500" Pipe Swivel mounting fixture for ETXv2 and ETXv3 models. *Sold in pairs Designed to attach ETXv3 enclosures to horizontal pipes, these mounting fixtures deliver 334 total degrees of swivel capability. Using these fixtures, an enclosure's final position can be rotated up to 205. 5 in the clockwise direction, and 128. 5 in the counter clockwise direction. Note: Swivel