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SIP Opus Codec MA400

Automatic link negotiation for high quality audio over IP transport.

The cost-effective SIP Opus Codecs combine the ease of SIP-based link establishment with the efficiency of the Opus audio compression format. The SIP Opus Codec devices encode or decode audio signals using the open standard Opus codec, a royalty-free audio compression format known for exceptional quality and reliability in interactive speech and music transmission over the Internet. The devices build on the Opus codec’s quality, efficiency and low latency with SIP functionality to establish seamless links across SIP-compatible telephone or other IP-based communications systems. The Barix devices dial another device and accept an incoming call automatically to negotiate a transmission link for Opus-based audio streaming. The SIP Opus Codecs offer a reliable, high-quality solution for studio-to-studio (SSL) and studio-to-transmitter (STL) applications at cost-efficient pricing.

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Electrical

  • 802.3af PoE on RJ-45 connector
  • 48 VDC nominal, 12 Watt max.

Ethernet

  • 10/100Mbps auto rate, full/half duplex
  • RJ-45 connector with integrated Link/Activity
  • 802.3af PoE support

Audio Input (mono)

Characteristics/mode selectable by software:

  • “Mic” mode: bias power for electret microphone supplied
  • “Line” mode: 2kΩ input impedance
  • 3.9 VPP max, adjustable in sensitivity
  • Frequency response 20 Hz .. 18 kHz (-3dB)*

USB

  • Double USB connector type A female. USB sound card support for audio I/O (see list of tested devices in Firmware Release Note V1.3.3)

RS-232

  • For serial TCP gateway

Contact input

  • 1 discrete / dry contact input

Mechanical

  • Aluminum case, 280g
    Dimensions 108 x 38 x 78.7 mm (4.25 x 1.5 x 3.1” inch)
  • Rack and wall mountable using optional accessories 

Warranty

  • Two years warranty

MTBF

  • min. 500 000h (according to MIL217F at 25°C

Headphone output

  • Female Jack 3.5 mm

Speaker out

  • Suggested speaker impedance 8Ω (min.)
  • 5 Watt max output power @ 8Ω
  • Values @ 8Ω
  • Frequency response 25 Hz .. 12 kHz (-3dB)*

Analog Line Output (mono)

  • Transformer  isolated, balanced (600 Ω) Output level software controllable
  • Full scale output voltage: 5.7 dBu, 4.2 VPP,
  • Frequency response 30 Hz .. 18 kHz (-3dB)

Supported Audio formats

  • OPUS
  • G.711 (alaw ulaw) G.722
  • G.722
  • GSM
  • iLBC
  • Speex

 

SIP Opus MA400 (Made in China)

2019.9260 SIP Opus Codec MA400 PoE Package

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