Annuncicom PS1

Electrical

Power supply via 802.3af (PoE) Ethernet, 8 Watt max.

Ethernet

10/100Mbps auto, 802.3af (PoE)

RJ-45 connector with integrated Link/Activity LED

Protocols: TCP/IP, UDP, RTP, SIP, DHCP, Multicast capable

Headphone out

Output impedance 0.1 Ohm

1 Watt max @ 8 Ohm

Values @ 8 Ohm *:

Frequency response 20 Hz .. 20 kHz (-3dB),

Dynamic range 80dB,

Signal to Noise Ratio -80dB

Total Harmonic Distortion <0.15% (-3dBFS)

Output level controllable via volume knob and software

Speaker

Impedance 8 Ohm

1 Watt RMS max

Values @ 8 Ohm:

Frequency response 300 Hz .. 20 kHz (-3dB),

Sound pressure 77dB, (1W @ 1 meter)

Output level controllable via volume knob and software

Mechanical

Metal case, black powder coated, white plastic front, 316 g / 11 oz.

Microphone built-in

Electret condenser microphone, omni directional

Output impedance <2.2 KOhms

Frequency response 100 Hz .. 16 kHz

Sensitivity (@ 1KHz, 0dB = 1V/Pa) -40 dB ±3dB

Signal to Noise Ratio weighted (F = 1KHz 1Pa) >60 dB)

Microphone in

Dynamic or Electret mic, Bias power (2.4..4 VDC)

Frequency response 50Hz ..20kHz (-3dB)*

Dynamic range 70dB, SNR -70dB, THD <0.05% (-3dBFS)*

input sensitivity software controllable

Audio formats

MP3 encoding/decoding up to 192/320kbps

PCM 16bit @ 8..48 kHz

G.711, G.722

Discrete I/O

Button A with white status LED

Button B with bicolor status LED (red/green)

Dimensions (L x D x H)

105 x 75 x 28 mm (4.14 x 2.95 x 1.1 inch)

MTBF

(calculated according to MIL217F @ 25°C) Min. 350 000h

* depends on used codec, best results @48kHz PCM

** 0 - 70% relative humidity, non-condensing