The JL Audio ETXv3 Swivel Mount â 1.660" is designed to securely mount JL Audio ETXv2 and ETXv3 enclosed speakers to 1.660-inch horizontal pipes. Offering 334° of total swivel, it allows precise aiming 205.5° clockwise and 128.5° counter-clockwise for optimal sound direction. Note: Swivel mounting fixtures are designed to orient and install an enclosure in its final position. They are not intended to be rotated repeatedly. Damages due to repeated rotation are not covered under warranty.• Fits 1.660" diameter horizontal pipe• Compatible with JL Audio ETXv2 and ETXv3 speaker enclosures• Allows up to 334° of total swivel for accurate positioning | JL Audio ETXv3 Enclosed Speaker System Swivel Mount f/ Pipe Mounting 1.660