18KHz. Running Temperature level: -20 ～ 50 ℃. Dimensions: 193x151.5 x292mm. Network Column Speaker GEN-6191A03 Power Supply: DC24V/1A or POE. Interaction Protocol: TCP/IP, UDP, SIP. Signal-to-Noise Ratio: > 90dB. Regularity Feedback: 45Hz https://opticians-near-me38269.atualblog.com/36056707/the-ultimate-overview-to-setting-up-your-ip-pa-system-successfully