Acoustic Audio by Goldwood CR12 Passive 3-Way 2 Speaker Set Passive old school speaker design simply drive power from your amplifier or receiver Full Range sound coverage with 3-way tweeter midrange and woofer configuration Deluxe 12 woofer with Polymer Treated cone Vented and extended woofer pole piece low carbon top and bottom plate 5 Midrange with high temperature Kapton cone 7 x 3 Tweeter with optimized compression driver Internal Crossover Wiring System Spring Loaded positive and negative raw speaker wire input connections 1/4 Jack input and output to Daisy Chain to another passive speaker Frequency response is 32Hz-30 kHz with 92dB sensitivity at 8ohm Digitally tuned port for added bass response High Quality CARB Compliant MDF wood cabinet with black Aviation Grade carpet Metal mesh grills 1.375 pole stand mount protective corners and handles Easy Transportation size of (H x W x D) 27.25 x 15 x 11.7 and 35 pound shipping weight System Requirements Any amplifier or home audio receiver with raw speaker wire or 1/4 inch jack outputs Power from your amp should be no less than 20 and no more than 500 watts per channel Corresponding cables to connect your amp to the speakers Applications Mobile DJ or PA Live Stage or Karaoke Studio Monitor or Home Stereo What s in the boxes 2 Passive Speakers Instruction Manual