WS44室外雙面音柱-ABK公共廣播系統智能設備 〓性能特點〓 MODE OUT-DOOR WS441 WS442 WS443 WS444 FULL-RANGE SPEAKER/HF DRIVER 4"×2,2.5"×2 4"×4,2.5"×2 4"×6,2.5"×2 4"×8,2.5"×2 NOML POWER 20W 40W 60W 80W MAX POWER 30W 60W 90W 120W LINE VOLTAGE 70-100V 70-100V 70-100V 70-100V SENSITIVITY(1m,1W) 89dB 89dB 89dB 89dB MAX SOUND PRESSURE LEVEL(1m) 99dB 102dB 103dB 105dB FREQ. RESP 140-14,000Hz 140-14,000Hz 140-14,000Hz 140-14,000Hz DIMENSIONS(H×W×L) 310x250x160mm 410x250x160mm 510x250x160mm 730x250x160mm WEIGHT 3kg 5.5kg 8kg 10.5kg