SIP OPUS CODEC M400

Automatic link negotiation for high quality audio over IP transport.

The network audio device, SIP OPUS CODEC M400, has been designed for audio transmission over IP networks. Equipped with the OPUS codec, an open source and royalty-free audio codec, the device is capable of delivering high-quality audio with low latency, making it ideal for real-time audio transmission. Various applications such as intercom systems, paging systems, and background music distribution can be served by the M400, which is equipped with a built-in amplifier, eliminating the need for an external amplifier. The device can be configured for specific applications using a web interface by users. MP3, AAC, and PCM are among the various audio formats supported by the M400, and audio can be streamed over various network protocols, including RTP, SIP, and HTTP. In summary, the SIP OPUS CODEC M400 is a versatile network audio device that can provide an affordable, dependable, and top-notch solution for studio-to-studio (SSL) and studio-to-transmitter (STL) applications. A wide range of audio transmission applications can also benefit from its use, and its use of the OPUS codec ensures high-quality audio transmission with low latency.

Electrical

  • External power adaptor, 100-240VAC, 10W
  • Male connector: 5,5 x 2,1 mm

Ethernet

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

Audio Input/Output

  • Stereo RCA / cinch connectors

Headphone output

  • Female Jack 3.5 mm

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

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

Warranty

  • Two years warranty

MTBF

  • 22 years

Audio Input (stereo)

  • 2kΩ input impedance 3.9 VPP max, adjustable in sensitivity
  • Frequency response 20 Hz .. 18 kHz (-3dB)*
    Dynamic range 87 dB, SNR -87 dB, THD <0.1%
    (-3 dBFS)*

Analog Line Output (stereo)

  • Full scale output voltage: 5.7 dBu, 4.2 VPP,
  • Frequency response 30 Hz .. 18 kHz (-3dB)* Dynamic range 88 dB, SNR -88 dB, THD <tba% (-3dBFS)*

Supported Audio formats

  • OPUS
  • G.711 (alaw ulaw)
  • G.722
  • GSM
  • iLBC
  • Speex
SIP Opus Codec M400 (Made in China) 2019.9263 SIP Opus Codec M400 EU Package 2019.9264 SIP Opus Codec M400 US Package 2019.9265 SIP Opus Codec M400 UK Package 2019.9266 SIP Opus Codec M400 NoPSU Package
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