QCS400

QCS400 Series

Designed specifically for smart audio applications with an unparalleled level of integration and next-generation Voice UI compared to our previous SoCs, enhanced with our cutting-edge Qualcomm® AI Engine.

Qualcomm QCS400 SoCs are products of Qualcomm Technologies, Inc. and/or its subsidiaries.

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Product Brief

Ultimate audio experiences

Truly superior audio performance, with support for Dolby Atmos and DTS:X immersive home audio, Qualcomm® DDFA™ amplifier technology, and Qualcomm® aptX™ audio.

Advanced DSP

Dedicated high performance audio DSP with hardware enhancement capable of up to 32 channels of audio post processing. Dual DSP cores and integrated Qualcomm AI Engine designed for high performance and low-power keyword detection.

Next-generation Voice UI

SoCs designed to deliver configurable multi-keyword detection with Local Automatic Speech Recognition for customizable user experiences, and multi-mic beamforming noise suppression with mono, stereo and multichannel echo cancellation.

Low-power optimization

Supports new levels of performance for portable and battery-powered speakers compared to our previous SoCs, and helps reduce standby current requirements for mains-connected speakers or smart assistants.

Industry-leading integration

Unique, highly-integrated yet flexible single-chip architecture designed to deliver substantial power efficiencies, performance improvements and opportunities for advanced feature innovation, as well as helping manufacturers to reduce BOM.

Industry-leading connectivity

Includes industry-leading connectivity with low-latency in-room and multi-room streaming, as well as advanced Wi-Fi, Bluetooth, and Zigbee coexistence technology

Innovation at all tiers

The QCS400 series includes SoC variants at multiple tiers to help OEMs scale across a range of smart audio product types and applications.

Development support

Help to reduce product development time and cost, with our Audio Development Kit (ADK), and Software Evaluation Kit, as well as hardware reference designs

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Voice & Music ApplicationsAIE CPUAIE GPUAIE DSPDSP AudioDSP ComputeDSP Clock SpeedWi-Fi StandardsWi-Fi FeaturesBluetooth VersionLR-WPAN ProtocolVoice UIAudio TechnologyAudio Channels SupportedOperating System
Smart Assistant
Smart Speakers
Dual-core CPU
2x Qualcomm® Hexagon™ DSP
V66 800 MHz with low power island
V66 700 MHz with Qualcomm® AI Engine
1.4 GHz
802.11ax-ready
802.11ac
Dual-band simultaneous (DBS)
Bluetooth 5.1
Zigbee
4-microphone far-field voice pickup noise cancellation
Low-power standby with voice wakeup
Dolby Digital/Digital+
Low-latency streaming
Qualcomm® DDFA™ amplifier technology
Virtual X
Qualcomm® aptX™ audio technology
12
Linux
Smart Speakers
Quad-core CPU
2x Qualcomm® Hexagon™ DSP
V66 800 MHz with low power island
V66 700 MHz with Qualcomm® AI Engine
1.4 GHz
802.11ax-ready
802.11ac
Dual-band simultaneous (DBS)
Bluetooth 5.1
Zigbee
4-microphone far-field voice pickup noise cancellation
Low-power standby with voice wakeup
Low-latency streaming
Qualcomm® DDFA™ amplifier technology
Qualcomm® aptX™ audio technology
12
Linux
Soundbars & Home Theater
Smart Speakers
Quad-core CPU
Qualcomm® Adreno™ 306 GPU
2x Qualcomm® Hexagon™ DSP
V66 800 MHz with low power island
V66 700 MHz with Qualcomm® AI Engine
1.4 GHz
802.11ax-ready
802.11ac
Dual-band simultaneous (DBS)
Bluetooth 5.1
Zigbee
4-microphone far-field voice pickup noise cancellation
Low-power standby with voice wakeup
Dolby Atmos
DTS:X
Low-latency streaming
Qualcomm® DDFA™ amplifier technology
Qualcomm® aptX™ audio technology
12
Linux
AVR
Quad-core CPU
Qualcomm® Adreno™ 306 GPU
2x Qualcomm® Hexagon™ DSP
V66 800 MHz with low power island
V66 700 MHz with Qualcomm® AI Engine
1.4 GHz
802.11ax-ready
802.11ac
Dual-band simultaneous (DBS)
Bluetooth 5.1
Zigbee
4-microphone far-field voice pickup noise cancellation
Low-power standby with voice wakeup
Dolby Atmos
DTS:X
Low-latency streaming
Qualcomm® DDFA™ amplifier technology
Qualcomm® aptX™ audio technology
32
Linux

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    Purpose-built platforms using the QCS400 series.