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IP Audio Module 400

Powerful, Linux-based audio codec which can be programmed with C++, LUA and Python

Powerful and versatile codec (encoding/decoding), Linux based and programmable with a wide range of programming languages, including C++, LUA, Python. Featuring Quadcore Cortex™ A7 processor, USB, serial, digital I/O, WiFi, Mic+Line I/O. Barix can provide the IPAM400 OEM with a Yocto image with advanced firmware download and recovery functions.

Main Features

  • Quad-Core Cortex™ A7 Processor
  • 2 Gbit DDR 3L memory
  • 128Mbit Flash memory
  • High performance CPU allows execution of software codecs for all common Audio codecs such as G.711, G.722, PCM linear, Ogg Vorbis, MP3, AAC+
  • Acoustic echo cancellation
  • Microphone/Line level stereo input
  • High quality stereo DAC with level control
  • SPDIF and I2S digital audio interface
  • SD/TFcard slot
  • TTL level UART
  • 7 General purpose I/Os, I2C interface

Technical Specifications

Operation System

Yocto (OpenEmbedded), Linux ( Armbian) including update functionality

IPv4/IPv6, security, full fledged linux


User Interface

Web interface for control, status and configuration


Network Interfaces

one physical layer (PHY)

Ethernet interface, IPv4, IPv6 capable


10/100 fdx/hdx, auto negotiation


WiFi Interface

For specifications contact Barix


Power Requirements

Single 3.3V DC supply voltage, +/- 5%, 2A max

Separate Audio ground domain/connection


Serial Interface

2 x UART, one with hardware handshake (TTL level)

1 x USB 2.0 On-the-go

2 x USB 2.0 full/hi/low speed capable host


Memory, Cache

16MB SPI flash

32KB L1 Instruction cache, 32KB L1 data cache

512KB L2 cache

VFPv4 Floating point unit

LPAE and NEON advanced SIMD


* Potential licenses are not included. For licensed Codecs such as AAC+ customer needs to register with the appropriate licensing company.

CPUs / Boot

Quad-Core ARM Cortex™ -A7 (clocked up to 1.29 Ghz)

Separate NEON coprocessor

supports fast boot process from Flash or SD/TF

Crypto Engine Encryption type


Analog Audio

1 x Stereo Output (L&R)

1 x Microphone Input (balanced/unbalanced) or 1 x Stereo Input


Miscellaneous Interfaces

I2S digital audio interface

digital audio interface (S/PDIF)

I2C interface


Peripheral I/O

seven 3.3VDC level digital general purpose I/Os


Flash Memory (Micro SD)

On-board uSD card socket (up to 32GB)


Reset functionality

Reset and Recovery functions on hardware and software triggers



> 950’000h



2.2” x 0.45” x 1.3” / 56.1mm x 11.44mm x 33mm






Two years

Use Cases

OEM device for any kind of commercial audio

Internet radio receiver

SIP and IP paging devices

Public transport installations

Integrated intercom&paging solutions

AES67 capable IP audio device

Contact us about the IP Audio Module 400

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Ordering Numbers

  • 2017.9225

    IPAM400 OEM

Documents & Downloads


IPAM 400 SDK Firmware V1.00

Product Sheets