专业型音箱-ABK公共广播系统智能设备 〓性能特点〓 MODE OUT-DOOR WT2012 FULL-RANGE SPEAKER/HF DRIVER NOML POWER 200W MAX POWER 250W LINE VOLTAGE 70-100V SENSITIVITY(1m,1W) 100dB MAX SOUNDPRESSURE LEVEL(1m) 120dB FREQ. RESP 42Hz-20KHz DIMENSIONS(H×W×L) 580×430×310mm WEIGHT 21kg