Theater Solutions by Goldwood TS30W Mountable Wired 2 Speaker Set Traditional Passive speaker design, simply drive power from your amp or receiver Full Range sound coverage with 2.5" Poly Treated cone woofers Frequency response is 140Hz-20 kHz with 89dB at 8ohm Easy To Install hang tabs or mounting brackets with hardware White ABS Sealed Cabinets with spring loaded raw wire connectors Big Sound from a compact speaker size of (H x W X D) 3.5" x 3.375" x 4.25" each Not recommended for outdoor use System Requirements Any amplifier, home receiver or stereo with raw speaker wire outputs Power from your amp should be no less than 20 and no more than 200 watts per channel CL3 or Raw Speaker Wire to connect your amp to the speakers Applications Home Theater Surround Sound Systems Whole House Audio Systems Business or Retail Installations What's in the box 2 Passive Speakers Mounting Brackets with Hardware Instruction Manual