16KHz. Running Temperature level: 0～45 ℃. Measurements: 144 * 144 * 34.1 mm. Network Paging Console XC-9037N Power Supply: DC12V/1.5 A. Show: 4-inch touchscreen, resolution 480 * 480. Interaction Procedures: TCP/IP, UDP, SIP. Signal-to-Noise Ratio: > 80dB. Frequency Reaction: 100Hz https://surroundsoundsystem44468.theisblog.com/30203745/spon-communications-blazing-a-trail-in-innovative-ip-pa-system-designs