100 Watts Peak Power?? 25 Watts RMS Power</br>Efficiency (1W/1M): 86dB?? Frequency Response: 80Hz - 20kHz Impedance: 4 Ohm</br>4"olypropylene/NBR Surround Woofer?? PEI Cone Tweeter</br>Speaker Pair?? includes Adjustable Wall mounting bracket</br>Dimensions: 5 3/8"x 7 7/8"H x 5 7/16"D not including bracket</br></br>Product Description</br></br>Introducing the MS-OS420 4" 2-Way Full Range Box Speakers. These versatile speakers are designed for use in various applications including on board your boat or outside your home. Perfect for allow boats where flush mounting isn't always practical. Featuring 100 watts peak power output and an adjustable wall racket?? the MS-OS420 speakers are the perfect complement to any FUSION stereo system. The FUSION MS-OS420 Box Speakers are covered by a Limited 1 Year consumer Warranty.</br><br/>http://www.amazon.com/gp/product/B00B22564Kbbr>