Monoprice 108242 RMS 75W Speaker Volume Controller， White<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> The MVR-75 is a rotary-type wall plate volume control for speaker systems with power ratings of up-Inch 75 watts per channel and impedance ratings of 4-Inch 16 ohms </span></li><li><span class="a-list-item"> This rotary control can be set-Inch one of twelve positions including the minimum (off) and maximum volume settings </span></li><li><span class="a-list-item"> Please note: This volume control does not include a wall mounting bracket </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31wX4mdFVPL.jpg" noproxy>