Bose SoundLink Bluetooth Mobile Speaker II

The Bose SoundLink Bluetooth Mobile Speaker II can be considered the replacement for the Bose SoundLink Wireless Mobile Speaker.


ICCNexergy Battery Pack – Li-Ion, 3-Cell, 12.45V, 2100mAh, 23Wh, w/ Charge Protection Circuit


CSR BC57H687C-GITM-E4 BlueCore5 Multimedia – Single Chip, V2.1 + EDR, 8Bit Flash, w/ Integrated 64MIPS Kalimba DSP Co-Processor & 16-Bit Stereo Codec

Digital Audio Converter

Sound Processor contains additional audio conversion components from AKM Semiconductor and Cirrus Logic:

  • Cirrus Logic CS4350-DZZ DAC – Stereo, Multi-Bit Delta-Sigma Architecture, 192KHz, w/ Integrated PLL.
  • AKM Semiconductor AK5381ET ADC-Stereo 24-bit


Microchip PIC16F723A-I/ML MCU 8-bit