Network IP MP3 Audio Encoder

Encode analog audio from your studio, and stream it live to your audience, using the Barix Instreamer and our Radio Streaming Services. Barix Instreamer is compatible with both SHOUTcast and Icecast streaming platforms.

Already own a Barix encoder? Our setup guide will help you get started in just a few minutes.


Inputs and Encoding

The Barix Instreamer has built in inputs for audio and ethernet. Your analog audio feed is converted to digital MP3, PCM, G.711 or G.722 formats. Shoutcast, TCP, UDP and Multicast RTP streaming protocols are supported.


  • Shoutcast/Icecast Source Encoder
  • Live IP Audio Encoder for Streaming Applications
  • Source Encoder for IP Audio Distribution Applications
  • Background Music and Music-on-Hold encoder for VoIP Applications
  • Low latency IP Audio Encoder for multichannel applications
  • Confidence Monitoring and Vox Switch for Broadcast Applications


  • MP3 Encoding (low Latency)
  • Shoutcast/Icecast Source capability
  • Line Level Input (Stereo)
  • IP Streaming via TCP, UDP, RTP, Multicast
  • G.711, G.722, PCM linear Encoding
  • Audio Level Supervision with SNMP Trap generation
  • RS-232 Serial Port
  • Power Supply (micro USB)


Peace of mind has no price tag. The small yet versatile Barix Instreamer allows you to stream live audio, without a PC. The device fully integrates with our Radio Streaming Services. Call or chat for a free consultation.

Technical Specifications

  • 5V, max. 1A through Micro-B USB connector
  • External power adaptor, 100-240VAC, 5W, included
  • RJ45, 10/100Mbps auto, Link & Activity LEDs
  • Protocols: TCP/IP, UDP, RTP, DHCP, SNMP, SIP
  • AutoIP, SonicIP, IPZator to ease address assignment
  • 300..230'400 Baud asynchronous, 7/8 bit
  • DSub 9 pin male
  • serial tunnel, control and metadata input support
Audio Input
  • RCA connectors, unbalanced, 2 kOhm impedance
  • Clipping level 5.3 dBu, 4 Vpp
  • Frequency response (-3dB) 20..20'000 Hz *
  • Signal to Noise Ratio 89dB, THD <0.03%
  • Stereo crosstalk -89dB
  • Input signal attenuable by software setting (-3..+19.5dB)

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

Headphone Output
  • 3.5mm jack
  • volume adjustable via browser
  • announcement of IP address (SonicIP)
Audio formats
  • MP3, encoding/decoding up to 192/320kbps
  • VBR and CBR support
  • PCM 16bit @8, 16, 22.05, 24, 32, 44.1, 48 kHz
  • G.711, uLaw, aLaw (sample rates same as PCM)
  • Aluminum case, 225g, separate mounting bracket
  • available 4.25" x 1.5" x 3.1" (108mm x 38mm x 78.7 mm)
Software Environment
  • Proprietary multitasking OS
  • Application firmware packages available from Barix
  • Development Environment for custom functionality
  • (ABCL development kit) available free of charge
  • (calculated according to MIL217F at 25°C) min. 540 000h