WCD9335 and Qualcomm Aqstic are products of Qualcomm Technologies, Inc. and/or its subsidiaries.


Qualcomm Aqstic™ Audio Codec 

The Qualcomm Aqstic audio codec (WCD 9335) supports high-resolution standards that recording studios use to master tracks, creating a pure audiophile listening experience. It has an integrated DAC (digital-to-analog converter) that supports Hi-Fi audio playback up to 192kHz/24bit PCM. The DAC on the Qualcomm Aqstic codec has ultra-low Total Harmonic Distortion plus Noise (THD+N), which means no additional noise or signal is added for the most authentic sound reproduction possible.

WCD9335 Specs

General Audio

Voice Services Support

  • Amazon Alexa Voice Service
  • Microsoft Cortana
  • Baidu DuerOS
  • Google Assistant

Audio Playback

Playback Dynamic Range

  • 130dB

Total Harmonic Distortion + Noise (THD+N), Playback

  • -109dB

Dual Oscillator Support, Playback

  • 44.1kHz
  • 48kHz

PCM, Playback

  • Up to 192kHz/24bit

Audio Recording

Recording Dynamic range

  • 109dB

Sampling, Record

  • Up to 192kHz/24bit

Total Harmonic Distortion + Noise (THD+N), Record

  • -103dB

Power Consumption

Audio playback

  • 34mW for high performance mode
  • 6mW low power mode

Low power voice activation

  • 0.95mA