أنظمة الصوت / FTD Audio - سماعات النداء العام

EC-304N WALL SPEAKER

الكود: EC-304N

WALL SPEAKER F W S -304 N FEATURES: 1. 4 " dual cone speaker unit 2. High sound pressure 3. Crystal clear sound 4. 4 tappings available for opt ion 5. 100V for long distance transmission 6. Simple and elegant design 7. Easy for mounting SPECIFICATIONS: Model : EC-304N Speaker : 4"Dual cone Power : 6W/3W/1.5W/0.75W Voltage : 100V Frequency Response: 80-20KHZ Sensitivity : 94dB Dimension(mm) : 220*190*87 Weight : 1.0kg Material : ABS + Iron Grille DIRECTIVITY GRAPHICS: 1Khz: 180。 4Khz: 90。 8Khz: 80。