Built tough for outdoor use, the JBL S36IIPM and its silver finish is also perfectly at home with your indoor stereo or surround home-theater system. With high, midrange, and low frequency drivers, this speaker distributes sound 3 ways for natural performance and superb sound. It has 5-way binder posts to attach speaker wire (not included) in a variety of ways. Frequency Response - 60 Hz - 20,000Hz (-3dB) Molded Enclosure Magnetic Shielding Wall Mountable, Position Horizontally or Vertically Sensitivity - 90dB (2.83V/1m) All-metal, Gold-plated, 5-Way Binding Post Terminals Approved for Indoor or Outdoor Use Straight-line Signal Path Crossover Network Linear-Field Proximity (LFP) Bezel Low Diffraction, IsoPower Baffles Elliptical Oblate Spheroidal (EOS) Waveguides Heatscape Precision Motor Sructure / High-temperature, Oversized Kapton Voice Coil Unit Dimensions (per speaker) - 10 1/4 x 14 5/8 x 5 / Weight - 11 lbs