KFC-S1676EX STAGE SOUND SERIES, 16cm Flush Mount 3-way 3-Speaker System Features: Flush Mount Speaker 2-Way 2-Speaker System 16 cm Polypropylene Woofer Cone Heavy-Duty Woofer Magnet Circuit 25mm Blanced Dome Tweeter Tweeter Sound Field Enhancer & Electro-Dynamic Driver 330W Peak Power 60W RMS Power Speaker grill included Specifications: Peak Input Power 330W Rated Input Power 60W Woofer Cone material Polypropylene (PP) Cone Speaker Basket Steel Speaker Surround Cloth Sensitivity 87dB/W/m Frequency Response 80Hz ~ 22000Hz Speaker Impedance 4Ω Dimensions with Grill (WxHxD) 170 x 170 x 72.7mm Dimensions w/o Grill (WxHxD) 159.8 x 159.8 x 54.7mm Mounting Depth 46.7mm Mouting Hole Diameter Ø 126mm Speaker Weight with Grille (pc.) 763gr Speaker Weight w/o Grille (pc.) 699gr Gross Weight 1588gr Weight of Magnet 270gr