X10	X30
Audio Output	SPEAKER: 2 x 10W, 8Ω; HEADSET: 2 x 40mW, 16Ω
Microphone	3.5mm audio in/out	4 pins for Headset,2 pins for MIC
SIP Support	SIP2.0 (RFC3261)
Audio Codecs	G.722, G.711 A-law, G.711 U-law, G.729
Music Streaming	MP3 sampling rate 8 – 48KHz, bit rate 64 – 320kbps, mono or Stereo
Keypad Support	Support 4×4 16-key key pad
LCD Support	UART Serial LCD (Customizable)
I/O	2x I/O Signal
Press-to-Talk/Call Button	2x Keys + 2x Key LEDs
Dry Contact	Max AC125V-1A/DC60V-1A
Power Input	PoE IEEE802.3at/DC12V-2A	PoE IEEE802.3at/DC12V-3.5A/DC24V-2A
Operating Temperature	-20°C – 50°C (-4°F – 122°F)	-40°C – +75°C (-40°F – 167°F)