Barix Exstreamer MA400

The Barix Exstreamer MA400 is an automatic link negotiation device designed for high-quality audio over IP transport. The SIP Opus Codecs, cost-effective and efficient, combine SIP-based link establishment with the benefits of the Opus audio compression format, known for exceptional quality and reliability in interactive speech and music transmission over the Internet. Here are the key technical specifications:

Device Overview:

• Functionality: Automatic link negotiation for high-quality audio over IP transport.
• Codec: SIP Opus Codecs for encoding or decoding audio signals using the Opus codec.
• Application: Suitable for studio-to-studio (SSL) and studio-to-transmitter (STL) applications.

Technical Specifications:

• 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.

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 inches).
• 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 Output:

• Suggested speaker impedance 8Ω (min.).
• 5 Watt max output power @ 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
• GSM
• iLBC
• Speex

The Barix Exstreamer MA400 offers a reliable and cost-effective solution for establishing high-quality audio links over IP networks, utilizing the Opus codec and SIP-based functionality.