Barix Exstreamer MR400
Multiformat IP audio decoder with 1 relay for amplifier activation and amplified/line audio output




- ⅛" (3.5mm) Line Out
- BTL (Bridge Tied Load) 1W on 8 ohm audio out
- NO/NC relay output (30V 0.5A)
- Low consumption, powered with 24VDC
- Singlewire certified
- Multi-level message priority
- AACplus, MP3, G.711, G.722 over RTP
- SIP VoIP endpoint support
- Storage of local audio files for triggered playout
The Exstreamer MR400 is a versatile Audio over IP decoder that seamlessly connects IP-based solutions to traditional paging systems, speakers, or amplifiers. It supports a wide range of audio environments including Dante®, SIP, InformaCast, and Syn-Apps, offering flexibility for various setups. With codecs like PCM, AACplus, MP3, OPUS, G.711, and G.722, streamed audio can be delivered via HTTP and RTP protocols. Featuring internal memory for storing audio files, playback can be easily triggered with a simple UDP command. The priority handler allows for seamless switching between sources based on five priority settings, eliminating the need for an audio matrix device. The MR400 is a solid metal device, the compact MR400 is easily installed and offers dual mono audio output. Additionally, it provides relay closure controlled via audio presence or RESTful API. Configuration is simplified through the local web interface.
Applications
- SIP and IP Paging / Notification
- Background music
- Emergency triggered message playout
- Dante ® support - requires extra license
- Singlewire InformaCast integration
- Syn-Apps Revolution integration
- MS Teams endpoint via CyberGate service

Technical Specifications
- CPU / Memory
- BTL Audio output (mono) suitable to drive a speaker or symmetric input (exclusive output).
Speaker: 1W @8ohms
Line out: symmetric, non-isolated, with DC offset.
volume level software controlled. - 3.5mm (⅛") line output
- Barix IPAM400 Processor Module
Quad-Core ARM Cortex™ -A7
256MB DDR3 SDRAM
16MB SPI Flash
Operation System
- Embedded Linux based on Yocto
Power interface
- 24 VDC, 10W max (no load connected to relay) on detach screw terminal block
Network Interface
- 10/100Mbps auto sensing
RJ-45 connector with integrated Link /Activity LED
IPv4/Pv6 capable
Protocols
- TCP/IP, HTTP (S), UDP, (S)RTP, SIP(S), DHCP, Multicast capable
Dante ® Support - Requires extra license
Singlewire InformaCast compatibility - requires extra license
Syn-Apps Revolution compatibility
USB Interface
- 2x USB 2.0 type A interfaces
Discrete I/O
- On detach screw terminal block 1x relay 30V 0.5A with NO/NC connections
Audio Output Interfaces
- On detach screw terminal block:
Decoding Audio formats
- FDX/HDX SIP client support
Large variety of codecs can be supported: MP3, PCM, G.711, G.722, AAC+, OPUS
User Interface
- Web interface for configuration
2 x Multicolor LED Status indicators
Reset & Factory Defaults Button
Mechanical
- Aluminium case 265kg
Dimensions 108 x 38 x 78.7mm (4.25 x 1.5 x 3.1 inch) rack and wall mountable using accessories
