Product Description Acoustic Audio by Goldwood BR12 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 Poly Zirconium cone, 4" parabolic RFL with Polyimide voice coil formerVented and extended woofer pole piece, low carbon top and bottom plate4" Midrange with Poly Zirconium cone10" x 4" Tweeter with optimized compression driverInternal Crossover Wiring SystemBanana Plug binding post, positive and negative, raw speaker wire input connections1/4" Jack input and output to Daisy Chain to another passive speakerSpeakon input and output to Daisy Chain to another passive speakerFrequency response is 28Hz-20 kHz with 99dB sensitivity at 8ohmDigitally tuned port for added bass responseHigh Quality CARB Compliant MDF wood cabinet with black Aviation Grade carpetMetal mesh grill, 1.375" pole stand mount, protective corners, handles and rubber feetEasy Transportation size of (H x W x D) 26.5" x 15.8" x 13.8" and 45 pound shipping weightSystem RequirementsAny amplifier or home audio receiver with raw speaker wire, 1/4 inch jack or Speakon outputsPower from your amp should be no less than 20 and no more than 1000 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