The RVC100‑70 is an in‑wall, inline volume control for 70V music systems. It features 11 volume positions with make before break contacts. It supports a maximum load of 100 watts and can fit into a single gang junction box.Support Files: Quick Install Guide (Jul 3, 2019)Monoprice™ and all Monoprice logos are trademarks of Monoprice Inc. Updated Mar 9, 2022 Warning: This product can expose you to Phthalates, which is known to the State of California to cause cancer and reproductive harm. For more information, go to www.P65Warnings.ca.gov