QCC51xx Bluetooth Audio Series​
Contact sales
QCC51xx

The Qualcomm® QCC51xx Bluetooth Audio series is designed to help manufacturers develop compact, feature-rich true wireless earbuds, headsets and speakers.

Based on our ultra-low power architecture, these SoCs are engineered to support robust, high-quality audio, rich features and extended battery life.

Qualcomm® QCC518x is designed for premium and immersive sound across all devices, enabled to support the Bluetooth® LE Audio standard, including Auracast™ broadcast audio capability, active noise cancellation, and Snapdragon Sound™ capabilities including lossless, spatial audio, and low latency.  

The flexibility provided by the QCC51xx series’ programmable applications processor a...

Qualcomm QCC518x, Qualcomm aptX, Qualcomm Kalimba, Qualcomm QCC5181, Qualcomm QCC5171, Qualcomm QCC5151, Qualcomm QCC5144, Qualcomm QCC5141, Qualcomm QCC5127, Qualcomm QCC5126, Qualcomm QCC5125, Qualcomm QCC5124, Qualcomm QCC5121 are products of Qualcomm Technologies, Inc. and/or its subsidiaries.

Product license agreement
Featured Documents Product Brief

Compare related products.

Note: to leverage the best experience for the product comparison table, please use the desktop to view content.

10 of 10 total products

Product

DSP

Clock Speed

Data RAM

Features

Audio

Qualcomm® aptX™ audio technology support

Qualcomm® Active Noise Cancellation (ANC) technology support

Qualcomm® cVc™ Echo Cancelling and Noise Suppression (ECNS) technology support

Package

Type

Size

Pitch

Bluetooth

Specification Version

Classic Data Rate

Low Energy Features

Voice Services

Digital Assistant Activation

Power Consumption

Music Streaming (A2DP)

Phone Call (HFP)

High Tier

QCC5181
Active

2x 240 MHz

1408 kB

Programmable DSP

Qualcomm® aptX™ Audio
Qualcomm® aptX™ Voice
Qualcomm® aptX™ Adaptive
Qualcomm® aptX™ Lossless

Feedforward
Feedback
Adaptive
Hybrid

2-mic Headset
1-mic Headset
1-mic Speaker
1-mic Earbuds
3-mic Earbuds
2-mic Earbuds

WLCSP

4.930 × 3.936 × 0.57 mm

0.4 mm

Bluetooth® 5.3 Qualified
Bluetooth® 5.4 Qualified

3 Mbps
2 Mbps
1 Mbps

Bluetooth® Low Energy Audio

Button press
Qualcomm® Voice Activation

~4 mA

QCC5171
Active

2x 240 MHz

1408 kB

Programmable DSP

Qualcomm® aptX™ Audio
Qualcomm® aptX™ Voice
Qualcomm® aptX™ Adaptive
Qualcomm® aptX™ Lossless

Feedforward
Feedback
Adaptive
Hybrid

2-mic Headset
1-mic Earbuds
3-mic Earbuds
2-mic Earbuds

WLCSP

4.930 × 3.936 × 0.57 mm

0.4 mm

Bluetooth® 5.3 Qualified

3 Mbps
2 Mbps
1 Mbps

Button press
Qualcomm® Voice Activation

QCC5151
Active

2x 120 MHz

448 kB

Programmable DSP

Qualcomm® aptX™ Audio
Qualcomm® aptX™ Voice
Qualcomm® aptX™ Adaptive

Feedforward
Feedback
Adaptive
Hybrid

2-mic Headset
1-mic Headset
Qualcomm® cVc™ Echo Cancelling and Noise Suppression

WLCSP

0.4 mm

Bluetooth® 5.2 Qualified
Bluetooth® 5.2

3 Mbps
2 Mbps
1 Mbps

Button press
Qualcomm® Voice Activation

QCC5144
Active

2x 120 MHz

448 kB

Programmable DSP

Qualcomm® aptX™ Audio
Qualcomm® aptX™ Voice
Qualcomm® aptX™ Adaptive

Feedforward
Feedback
Adaptive
Hybrid

2-mic Headset
1-mic Headset
Qualcomm® cVc™ Echo Cancelling and Noise Suppression

BGA

5.6 × 5.9 × 1.0mm

0.5 mm

Bluetooth® 5.2 Qualified

3 Mbps
2 Mbps
1 Mbps

Button press
Qualcomm® Voice Activation

QCC5141
Active

2x 120 MHz

448 kB

Programmable DSP

Qualcomm® aptX™ Audio
Qualcomm® aptX™ Voice
Qualcomm® aptX™ Adaptive

Feedforward
Feedback
Adaptive
Hybrid

2-mic Headset
1-mic Headset
Qualcomm® cVc™ Echo Cancelling and Noise Suppression

WLCSP

0.4 mm

Bluetooth® 5.2 Qualified

3 Mbps
2 Mbps
1 Mbps

Button press
Qualcomm® Voice Activation

QCC5125
Active

1x 120 MHz

256 kB

Programmable DSP

Qualcomm® aptX™ Audio
Qualcomm® aptX™ Adaptive
Qualcomm® aptX™ HD

Feedback
Feedforward
Hybrid

2-mic Headset
1-mic Headset
1-mic Speaker
2-mic Speaker

BGA

5.5 × 5.5 × 1 mm

0.5 mm

Bluetooth® 5.1

3 Mbps
1 Mbps
2 Mbps

Bluetooth® Low Energy sensor hub

Button press

~10 mA

~10 mA

Other

QCC5127
Not for new design

2x 120 MHz

256 kB

Programmable DSP

Qualcomm® aptX™ Audio
Qualcomm® aptX™ Adaptive
Qualcomm® aptX™ HD

Feedback
Feedforward

2-mic Headset
1-mic Headset
1-mic Speaker
Qualcomm® cVc™ Echo Cancelling and Noise Suppression
2-mic Speaker

BGA

6.5 × 6.5 × 1 mm

0.5 mm

Bluetooth® 5.0

3 Mbps
1 Mbps
2 Mbps

Bluetooth® Low Energy sensor hub

Button press
Qualcomm® Voice Activation

~10 mA

~10 mA

QCC5126
Not for new design

2x 120 MHz

256 kB

Programmable DSP

Qualcomm® aptX™ Audio
Qualcomm® aptX™ Adaptive
Qualcomm® aptX™ HD

Feedback
Feedforward

2-mic Headset
1-mic Headset
1-mic Speaker
Qualcomm® cVc™ Echo Cancelling and Noise Suppression
2-mic Speaker

BGA

5.5 × 5.5 × 1 mm

0.5 mm

Bluetooth® 5.0

3 Mbps
1 Mbps
2 Mbps

Bluetooth® Low Energy sensor hub

Button press
Qualcomm® Voice Activation

~10 mA

~10 mA

QCC5124
Not for new design

2x 120 MHz

256 kB

Programmable DSP

Qualcomm® aptX™ Audio
Qualcomm® aptX™ Adaptive
Qualcomm® aptX™ HD

Feedback
Feedforward
Hybrid

2-mic Headset
Qualcomm® cVc™ Echo Cancelling and Noise Suppression

BGA

5.5 × 5.5 × 1 mm

0.5 mm

Bluetooth® 5.0

3 Mbps
1 Mbps
2 Mbps

Bluetooth® Low Energy sensor hub

Button press

~6 mA

~7 mA

QCC5121
Not for new design

2x 120 MHz

256 kB

Programmable DSP

Qualcomm® aptX™ Audio
Qualcomm® aptX™ Adaptive
Qualcomm® aptX™ HD

Feedback
Feedforward
Hybrid

2-mic Headset
Qualcomm® cVc™ Echo Cancelling and Noise Suppression

WLCSP

3.98 × 4.02 × 0.5 mm

0.4 mm

Bluetooth® 5.0

3 Mbps
1 Mbps
2 Mbps

Bluetooth® Low Energy sensor hub

Button press

~6 mA

~7 mA

    Qualcomm relentlessly innovates to deliver intelligent computing everywhere, helping the world tackle some of its most important challenges. Our leading-edge AI, high performance, low-power computing, and unrivaled connectivity deliver proven solutions that transform major industries. At Qualcomm, we are engineering human progress.

    Stay connected

    Get the latest Qualcomm and industry information delivered to your inbox.

    Subscribe
    Manage your subscription

    © Qualcomm Technologies, Inc. and/or its affiliated companies.

    Snapdragon and Qualcomm branded products are products of Qualcomm Technologies, Inc. and/or its subsidiaries. Qualcomm patented technologies are licensed by Qualcomm Incorporated.

    Note: Certain services and materials may require you to accept additional terms and conditions before accessing or using those items.

    References to "Qualcomm" may mean Qualcomm Incorporated, or subsidiaries or business units within the Qualcomm corporate structure, as applicable.

    Qualcomm Incorporated includes our licensing business, QTL, and the vast majority of our patent portfolio. Qualcomm Technologies, Inc., a subsidiary of Qualcomm Incorporated, operates, along with its subsidiaries, substantially all of our engineering, research and development functions, and substantially all of our products and services businesses, including our QCT semiconductor business.

    Materials that are as of a specific date, including but not limited to press releases, presentations, blog posts and webcasts, may have been superseded by subsequent events or disclosures.

    Nothing in these materials is an offer to sell or license any of the services or materials referenced herein.