WS45室外音柱-ABK公共广播系统智能设备 〓性能特点〓 MODE OUT-DOOR WS451 WS452 WS453 WS454 FULL-RANGE SPEAKER/HF DRIVER 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 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) 310x150x125mm 410x150x125mm 500x150x125mm 620x150x125mm WEIGHT 2.5kg 3.5kg 4.5kg 5.5kg