WS45系列室外音柱WS451WS452WS453 WS454 〓性能特点〓 MODEOUT-DOOR WS451 WS452 WS453 WS454 FULL-RANGESPEAKER/HFDRIVER 4"×1,2.5"×1 4"×2,2.5"×1 4"×3,2.5"×1 4"×4,2.5"×1 NOML POWER 10W 20W 30W 40W MAX POWER 15W 30W 45W 60W LINEVOLTAGE 70/100V 70/100V 70/100V 70/100V SENSITIVITY(1m,1W) 87dB 89dB 91dB 93dB MAXSOUNDPRESSURELEVEL(1m) 97dB 102dB 106dB 109dB FREQ.RESP 140-14,000Hz 140-14,000Hz 140-14,000Hz 140-14,000Hz DIMENSIONS(H×W×L) 310x150x125mm 410x150x125mm 500x150x125mm 620x150x125mm WEIGHT 2.3kg 3.3kg 4.4kg 5.5kg