Dayton Audio TT25-16 PUCK 3.5" Mini Bass Shaker 16 OhmAdd tactile bass feedback to seats and couches for the ultimate gaming and movie experienceMeasures 3.5" diameter and 1" depthQuality construction and compact sizeIncludes surface mount hardware For home theater, gaming, and auto sound applications4 layer Voice Coil with 1" aluminum formerPower handling: 15 watts RMS/30 watts maxUsable frequency response: 20-80 HzFour can be wired for Stereo 8 Ohm or as a 4 Ohm 1 channel systemImpedance: 16 Ohms