QCS405
Designed specifically for premium smart speaker and soundbar 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.
Designed specifically for premium smart speaker and soundbar 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 QCS405 is a product of Qualcomm Technologies, Inc. and/or its subsidiaries.
Featured Documents
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 support high performance and low-power keyword detection.
Next-generation Voice UI
SoC designed to deliver configurable multi-keyword detection with Local Automatic Speech Recognition for customizable and "offline" user experiences, and multi-mic beamforming noise suppression with mono, stereo and multichannel echo cancellation.
Improved low-power performance
Supports new levels of performance for portable and battery-powered smart 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/multi-room streaming and advanced Wi-Fi, Bluetooth and Zigbee coexistence technology
Features
Highly-integrated architecture, with four CPU cores, dual DSP, Wi-Fi, Bluetooth, powerful audio features, and our AI Engine on a single chip
Our AI Engine supports highly efficient on-device inferences and machine learning-based, embedded automatic speech recognition
Industry-leading connectivity with low-latency streaming and advanced Wi-Fi, Bluetooth, and Zigbee coexistence technology
Superior audio performance with support for Dolby Atmos and DTS:X immersive home audio
High performance, low-power keyword detection pre-loaded and running on an integrated DSP
Configurable multi-keyword detection with Local Automatic Speech Recognition designed for customizable user experiences
Compatible with DDFA amplifier technology and aptX audio
Includes low power far-field keyword detection, multi-mic beamforming noise suppression with mono, stereo, and multichannel echo cancellation
Industry-leading far field voice capture technology, with simultaneous multi key word detection
Support for up to 12 channel audio output to help meet the evolving needs of AVR space
Help to reduce product development time and cost, with our Audio Development Kit (ADK), and Software Evaluation Kit, as well as hardware reference designs
Specifications
Qualcomm® Artificial Intelligence (AI) Engine
AIE CPU: Quad-core CPU
AIE GPU: Qualcomm® Adreno™ 306 GPU
AIE DSP: 2x Qualcomm® Hexagon™ DSP
CPU
CPU Cores: Quad-core CPU
DSP
DSP Audio: V66 800 MHz with low power island
DSP Compute: V66 700 MHz with Qualcomm® AI Engine
DSP Technology: 2x Qualcomm® Hexagon™ DSP
DSP Clock Speed: 1.4 GHz
Wi-Fi
Wi-Fi Standards: 802.11ax-ready, 802.11ac
MIMO Configuration: 2x2 (2-stream), 1x1 (1-stream), 4x4 (4-stream)
Wi-Fi Features: Dual-band simultaneous (DBS)
Bluetooth
Bluetooth Version: Bluetooth 5.1
Bluetooth Technology: Bluetooth Low Energy, Bluetooth Classic
802.15.4
LR-WPAN Protocol: Zigbee
USB
USB Version: USB 2.0
Voice Services
Voice UI: 4-microphone far-field voice pickup noise cancellation, Low-power standby with voice wakeup
Display
Max On-Device Display: FHD+
General Audio
Audio Technology: Qualcomm® DDFA™ amplifier technology, DTS:X, Low-latency streaming, Dolby Atmos, Qualcomm® aptX™ audio technology
Qualcomm® aptX™ audio playback support: Qualcomm® aptX™ Adaptive
Audio Channels Supported: 12
GPU
GPU Name: Qualcomm® Adreno™ 306 GPU
Security Support
Security Features: Secure voice
Interface
Supported Interfaces: PCIe, HDMI, I²C, Ethernet, SDIO, SPI, UART, USB 2.0, USB 3.0
Software Options
Operating System: Linux
Qualcomm Smart Audio Platform, Qualcomm AI Engine, Qualcomm Hexagon, Qualcomm Adreno, Qualcomm QCS400, Qualcomm DDFA and Qualcomm aptX are products of Qualcomm Technologies, Inc. and/or its subsidiaries.
Compare related products.
| Voice & Music Applications | AIE CPU | AIE GPU | AIE DSP | DSP Audio | DSP Compute | DSP Clock Speed | Wi-Fi Standards | Wi-Fi Features | Bluetooth Version | LR-WPAN Protocol | Voice UI | Audio Technology | Audio Channels Supported | Operating System |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | Qualcomm® DDFA™ amplifier technology DTS:X Low-latency streaming Dolby Atmos Qualcomm® aptX™ audio technology | 12 | Linux |
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 | Virtual X Qualcomm® DDFA™ amplifier technology Low-latency streaming Dolby Digital/Digital+ 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 | Qualcomm® DDFA™ amplifier technology Low-latency streaming 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 | Qualcomm® DDFA™ amplifier technology DTS:X Low-latency streaming Dolby Atmos Qualcomm® aptX™ audio technology | 32 | Linux |