Weatherproof PA speaker YT-520,a model of weatherproof speaker, is innovative and equisite with an excellent timbre.It can play with exacting precision in full range, especially a wonderful blend of sweetness, richness and detail in lows.Thanks to a high sensibility,sound pressure and its punchy performance,it makes a breakthrough in the traditional column and PA speaker,which onlyreproduce the mids and highs.And the sealed structure, allowing them to sustain any tough condition such as snowstorm,and the user-friendly with an adjustable 30 degree angle make it an instant hit in public or entertainment venues such as high class hotels,buidings,superstores,hospitals,schools,meeting rooms,auditoriums,exhibition center It's specification is as follows: Voltage: 70-100v Rms power:20w Sensitivity:92dB Frequency response:80Hz-18kHz Dimension:248x200x160mm Net weight:2.5kg CuFt/CTN:1.12 CBM/CTN:0.0317 QTY(pcs) 1x20'CY: 883 1x40'CY: 1830 1x40'HQ: 2145 Min Order:50 pcs