Amplifier: Built in 10W Class D
Power: PoE(IEEE 802.3 af type 1 Class 3) , PoE+(IEEE 802.3 at type 2 Class 4)
Internal Memory: 1 GBytes
Frequency Range (-10dB): 130Hz~20kHz
Sensitivity (1Watt): 91dB
Supported Protocols: IPv4, HTTP, SIP, mDNS, DNS, NTP, TCP, UDP, DHCP, ARP, ICMP
TTS: English(US, UK), German, French, Spanish, Russian