Acoustic Audio by Goldwood HD-6 Flush Mount In Ceiling 5 Speaker Set Center Channel with Front and Rear Right and Left home theater configuration Wide Sound Dispersion Designed Speakers easily integrate with new and existing audio systems Traditional Passive speaker design simply drive power from your home audio receiver or amp Flush Mount low profile housings install easy with unique Pressure Lock Mounting System Full Range sound coverage with 2-way woofer and tweeter configuration 6.5 Woven Fiber bulletproof cone woofers with butyl rubber surrounds Pivoting Titanium tweeters Frequency response is 32Hz-22 kHz with 98dB at 8ohm Pressure Lock Mounting System clamps tight to drywall with No Hardware Needed Fits round speaker hole size of 7.87 with a mounting depth of 2.87 Overall speaker size of 8.98 with raw wire clamp or solder connections Durable ABS Housings and Removable Grills can be painted to match your décor System Requirements Any home audio receiver or amplifier with raw speaker wire outputs Your receiver power should be no less than 10 and no more than 300 watts per channel CL3 Rated in wall certified raw speaker wire to connect your receiver to the speakers Applications Home Theater Surround Sound Systems Whole House Audio Systems Business or Retail Installations What s in the box 5 Flush Mount Passive Speakers with Removable Grills Cut-Out Templates Instruction Manual