Acoustic Audio by Goldwood BR12 passive 3-way speaker- 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 poly zirconium cone, 4" Parabolic RFL with polyimide voice coil former- Vented and extended woofer pole piece, low carbon top and bottom plate- 4" Midrange with poly zirconium cone- 10" X 4" Tweeter with optimized compression driver- Internal crossover wiring system- Banana plug binding post, positive and negative, raw speaker wire input connections- 1/4" Jack input and output to daisy chain to another passive speaker- Speakon input and output to daisy chain to another passive speaker- Frequency response is 28hz-20 kHz with 99dB sensitivity at 8ohm- Digitally tuned port for added bass response- High quality CARB compliant MDF wood cabinet with black Aviation Grade carpet- Metal mesh grill, 1.375" Pole stand mount, protective corners, handles and rubber feet- Easy transportation size of (H x W x D) 26.5" X 15.8" X 13.8" And 45 pound Shipping weightSystem Requirements- Any amplifier or home audio receiver with raw speaker wire, 1/4 inch jack or speaker outputs- Power from your amp should be no less than 20 and no more than 1000 watts per channel- Corresponding cable to connect your amp to the speakerApplications- Mobile DJ or pa- Mive stage or karaoke- Studio monitor or home stereoWhat's in the box- 1 passive speaker- Instruction manual.