Product Description Acoustic Audio by Goldwood HD6c Flush Mount In Wall Center SpeakerCenter Channel Designed Speaker easily integrates with new and existing audio systemsTraditional Passive speaker design, simply drive power from your home audio receiver or ampFlush Mount low profile housing installs easy with unique Pressure Lock Mounting SystemFull Range sound coverage with Dual Woofers and Tweeter configuration 6.5" Woven Fiber bulletproof cone woofers with butyl rubber surrounds12mm soft dome tweeterFrequency response is 33Hz-22 kHz with 98dB at 8ohmPressure Lock Mounting System clamps tight to drywall with No Hardware NeededFits rectangular speaker hole size of 19.25" x 7.5" with a mounting depth of 3.25"O verall speaker size of 20.5" x 8.75" with Spring Loaded raw wire connectionsDurable ABS Housing and Removeable Grill can be painted to match your decorSystem RequirementsAny home audio receiver or amplifier with raw speaker wire outputsYour receiver power should be no less than 10 and no more than 350 watts per channelCL3 Rated in wall certified raw speaker wire to connect your receiver to the speakerApplicationsHome Theater Surround Sound SystemsWhole House Audio SystemsBusiness or Retail InstallationsWhat's in the box1 Flush Mount Passive Speaker with Removeable GrillCut-Out TemplateInstruction Manual