NxH3670 SDK Board

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Block Diagram

Component placement NxH3670 SDK board

Component placement NxH3670 SDK board

Supported Devices

Processors and Microcontrollers

KL Series Arm Cortex-M0+

Wireless Connectivity

Bluetooth LE Audio


Power Management

  • The NxH3670 SDK board is powered and charged via USB
  • The 1.2 V and 1.8 V switched mode power supplies are supplied by the battery


  • NXH3675
  • UART


  • UART interfaces are available
  • KL27 UART0 is available on PTA1/2
  • UART2 on PTE22/23


  • 24.576 MHz crystal connected with the MKL27Z256VMP4
  • 32 MHz crystal connected with the NxH3670
  • 12.288 MHz TCXO for the codec


  • Wolfson WM8904
  • Codec is controlled via I2C
  • Can be connected to the MKL27Z256VMP4, or NxH3670
  • 3.5 mm jack for AUDIO_IN and HP+MIC is available

Buy Options


Click to expand

  • NXH3670SDK

  • Ultra-low Power, Low Latency Audio for Wireless Gaming Headphone.

  • $949.00USD
  • For a quantity of 1
    • Availability: In stock
    • Inventory: 4
    • Shipping: Normally ships 1-2 business days
Order from distributors


Quick reference to our documentation types.

2 documents

  • User Guide

    NXH3670 SDK boardGetting Started

  • Supporting Information

    NxH3670 SDK Board


Quick reference to our software types.

1 software file

Note: For better experience, software downloads are recommended on desktop.


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