CSR Harmony Wireless Software Stack 4.0

CSR Harmony Wireless Software Stack 4.0

Cambridge Silicon Radio Limited. – 8389496MB – Freeware – Windows Linux
out of 3 votes

Effortless connectivity with CSR Harmony Wireless Software Stack

Minh Ong

Experience seamless Bluetooth connectivity and audio management with CSR Harmony.
image/svg+xml VERY GOOD User Rating

CSR Harmony Wireless Software Stack by Cambridge Silicon Radio Limited is an advanced software solution designed to optimize Bluetooth connectivity on devices using CSR (Cambridge Silicon Radio) Bluetooth technology. This software stack provides users with enhanced Bluetooth functionality, seamless device pairing, reliable wireless connectivity, and a range of features for improving the overall Bluetooth user experience.

One of the key features of the CSR Harmony Wireless Software Stack is its robust Bluetooth driver architecture, which enables stable and efficient Bluetooth communication between devices powered by CSR Bluetooth chipsets. By leveraging optimized drivers and protocols, this software stack ensures smooth data transmission, low latency, and high performance in wireless connections.

The CSR Harmony software stack offers users an intuitive user interface that simplifies device pairing, device discovery, and Bluetooth device management. Users can easily connect Bluetooth devices, configure settings, manage paired devices, and customize preferences through a user-friendly interface that enhances usability and ease of use.

CSR Harmony Wireless Software Stack provides support for advanced Bluetooth profiles and features, such as the Audio/Video Remote Control Profile (AVRCP), Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), and more. These profiles enable users to enjoy seamless audio streaming, hands-free communication, remote control functions, and other Bluetooth capabilities across compatible devices.

Furthermore, the CSR Harmony software stack incorporates advanced wireless technology optimizations to improve connection stability, reduce interference, extend range, and enhance power efficiency in Bluetooth communications. These optimizations contribute to a more reliable and energy-efficient wireless experience for users across various applications and devices.

The CSR Harmony Wireless Software Stack by Cambridge Silicon Radio Limited offers users a comprehensive solution for optimizing Bluetooth connectivity on devices equipped with CSR Bluetooth technology. With its advanced driver architecture, user-friendly interface, support for Bluetooth profiles, wireless technology optimizations, and seamless device management features, this software stack enhances the overall Bluetooth user experience by delivering reliable connectivity, enhanced functionality, and improved performance in wireless communications.


CSR Harmony Wireless Software Stack is a Freeware software in the category Audio & Multimedia developed by Cambridge Silicon Radio Limited..

It was checked for updates 408 times by the users of our client application UpdateStar during the last month.

The latest version of CSR Harmony Wireless Software Stack is 4.0, released on 05/15/2015. It was initially added to our database on 05/05/2012. The most prevalent version is 2.1.63, which is used by 92 % of all installations.

CSR Harmony Wireless Software Stack runs on the following operating systems: Windows/Linux. The download file has a size of 8389496MB.

Users of CSR Harmony Wireless Software Stack gave it a rating of 4 out of 5 stars.


  • Provides a comprehensive set of Bluetooth features and functionalities.
  • Easy to use interface for managing Bluetooth devices and settings.
  • Offers support for a wide range of Bluetooth devices and protocols.
  • Provides firmware updates and drivers for better device compatibility.
  • Good stability and reliability in maintaining Bluetooth connections.


  • May have compatibility issues with certain operating systems or devices.
  • Requires regular updates for optimal performance.
  • Can be resource-intensive on system resources especially RAM and CPU usage.


What is CSR Harmony Wireless Software Stack?

CSR Harmony Wireless Software Stack is a software suite developed by Cambridge Silicon Radio Limited that enables Bluetooth low energy connectivity on Windows-based computers and laptops.

What is Bluetooth low energy?

Bluetooth low energy (LE) is a wireless communication technology designed to enable low-power devices to communicate with each other over short distances.

Which versions of Windows are compatible with CSR Harmony?

CSR Harmony is compatible with Windows 10, Windows 8, and Windows 7 operating systems.

What devices are compatible with CSR Harmony?

CSR Harmony is compatible with a wide range of Bluetooth low energy devices, including smartphones, fitness trackers, smartwatches, and more.

What features does CSR Harmony have?

CSR Harmony offers a range of features that include device pairing, data transfer, audio streaming, and more.

How do I install CSR Harmony?

You can download and install CSR Harmony from the Cambridge Silicon Radio website or from the CD that came with your device.

Can I use CSR Harmony with non-CSR Bluetooth devices?

Yes, CSR Harmony is compatible with non-CSR Bluetooth devices, but some features may not be available.

How does CSR Harmony compare to other Bluetooth software stacks?

CSR Harmony is known for its compatibility, stability, and ease of use, making it a popular choice among users.

Is CSR Harmony free?

CSR Harmony is a paid software suite that requires a valid license key to use.

What kind of support does CSR Harmony offer?

CSR Harmony offers technical support through its website, email, and phone.

Minh Ong

Minh Ong

I'm Minh, a software engineer and author with a passion for exploring and writing about the latest in software and technology. With my experience in software development and a specialization in software updates and content creation, I bring a deep understanding of the tech landscape to my reviews and articles. My focus is on providing you with comprehensive insights into general software topics and the latest industry news.

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