2) VM AUDIO Shaker 4" 100 Watt 2 Way In-Wall Surround Sound Home Speaker (Pair) 4" 2-Way High Performance In-Wall Speaker Full Range Coaxial Loudspeaker Design Power Range From 30W RMS Upto 100W Peak Low-Resonating Silver Fused Polypropylene Cone High Compliance Half-Roll Foam Surround