Product Description Acoustic Audio by Goldwood CR12 Passive 3-Way 2 Speaker SetPassive old school speaker design, simply drive power from your amplifier or receiverFull Range sound coverage with 3-way tweeter, midrange and woofer configurationDeluxe 12" woofer with Polymer Treated coneVented and extended woofer pole piece, low carbon top and bottom plate5" Midrange with high temperature Kapton cone7" x 3" Tweeter with optimized compression driverInternal Crossover Wiring SystemSpring Loaded, positive and negative, raw speaker wire input connections1/4" Jack input and output to Daisy Chain to another passive speakerFrequency response is 32Hz-30 kHz with 92dB sensitivity at 8ohmDigitally tuned port for added bass responseHigh Quality CARB Compliant MDF wood cabinet with black Aviation Grade carpetMetal mesh grills, 1.375" pole stand mount, protective corners and handlesEasy Transportation size of (H x W x D) 27.25" x 15" x 11.7" and 35 pound shipping weightSystem RequirementsAny amplifier or home audio receiver with raw speaker wire or 1/4 inch jack outputsPower from your amp should be no less than 20 and no more than 500 watts per channelCorresponding cables to connect your amp to the speakersApplicationsMobile DJ or PALive Stage or KaraokeStudio Monitor or Home StereoWhat's in the boxes2 Passive SpeakersInstruction Manual