Main Features - Output level: +6dBV ± 3dB - Frequency response: 20Hz ~ 20kHz - Amplifier: Built-in 10W Class D - Power supply: PoE (IEEE 802.3 af Type 1 Class 3), PoE+ (IEEE 802.3 at Type 2 Class 4) - Internal memory: 1 GBytes - Max. sound pressure level: 99dB - Frequency range (-10dB): 120Hz~20kHz - Sensitivity (1Watt): 90dB - IP code: IP45 - Supported protocols: IPv4, HTTP, SIP, mDNS, DNS, NTP, TCP, UDP, DHCP, ARP, ICMP - TTS: English (US, UK), German, French, Spanish, Russian - Audio monitoring: Speaker, connection test