PXUA-316-MC-MAX Multi-Channel Audio Solution


Input Sampling Rate 16kHz - 192kHz @ 32-bit
Output Sampling Rate 16kHz - 384kHz @ 32-bit
8 Channel DAC × 4 Maximum 768kHz sampling rate; maximum 32-bit depth
4 Channel ADC × 8 Maximum 192kHz sampling rate; maximum 32-bit depth
Analog Audio Stereo input × 16; stereo output × 16
Digital Audio Up to 96kHz S/PDIF input/output; up to 8-channel ADAT input/output
Power Supply 5V USB VBUS; 5V USB additional power supply


PXUA-316-MC-MAX Multi-Channel Audio Development Board, recommended by Guava Electronics for the following applications:

  • System Design
  • Audio Algorithm Design
  • Product Design Verification


Evaluation Board

Name Function Description Status Purchase
PXUA-316-MC-MAX Multi-Channel Audio Development Board On Shelf Taobao Link

Companion Chips

Name Function Description Status Purchase
XMOS XU316-1024-QF60B-PP24 Recommended main model for PXUA-316-MC-MAX Coming Soon Coming Soon

Solution Background

With the rise of remote work in recent years, there has been a significant increase in demand for high-quality, reliable, and cost-effective collaboration solutions. To provide an almost face-to-face meeting experience, meeting platforms must capture voices clearly and accurately to ensure effective communication.

PXUA-316-MC-MAX features 32 channels @48kHz analog inputs/outputs, meeting the UAC2.0 standard limit.

Combined with the 34 GPIOs of XU316-1024-QF60B-PP24 chip, highly customizable input/output combinations can be achieved without additional flying wires. Onboard programmable RGB array, SPDIF interface, and buttons provide strong support for unlocking chip performance.

The PXUA-316-MC-MAX development board fills the gap in multi-channel professional audio development. As an all-in-one solution, it boasts the highest specifications of peripherals, enhancing development efficiency while reducing the entry barrier. Developers can now quickly deploy complex audio systems, accelerate innovation, and anticipate new trends in audio technology.

Solution Features

XCORE.AI Main Controller

Utilizing the latest XCORE.AI chip from XMOS for Bit-perfect multi-channel audio

  • XMOS XU316-1024-QF60B-PP24
  • 2400 MIPS processing speed
  • 1024kB SRAM computational resources
  • Capable of processing 64 channels of 48kHz audio
  • Ultra-low latency

Rich I/O Interfaces

Diverse audio/control inputs and outputs for endless connectivity

  • 32 3.5mm stereo interfaces
  • Coaxial and optical S/PDIF inputs/outputs
  • 4 programmable buttons
  • 12 programmable GB lights


Core focus on developer needs with comprehensive hardware support

  • 34 GPIOs independently accessible for easy testing and expansion
  • Selectable PLL/external high-precision crystal oscillator clock sources to meet various application requirements
  • Onboard FLASH and PSRAM extension for embedded DSP import
  • Configurable clock/data pins for seamless implementation of various hardware routing configurations

Technical Documents

Software Download