18KHz. Running Temperature: -20 ～ 50 ℃. Measurements: 193x151.5 x292mm. Network Column Speaker GEN-6191A03 Power Supply: DC24V/1A or POE. Communication Method: TCP/IP, UDP, SIP. Signal-to-Noise Ratio: > 90dB. Regularity Reaction: 45Hz https://codyyhsbk.blogsuperapp.com/30506208/boost-your-interaction-with-an-advanced-ip-pa-system-today