Furthermore, the chipset inside the C100s (the CM108) is a standard USB audio chip. The best driver for this on Windows 10 is actually the , which is a generic USB audio driver included with Windows.
If your C100s works today on Windows 10, cherish it. But plan for the future—the Polycom P15 is the true spiritual successor with active driver support. For IT managers deploying C100s across an office (why?!), you can force the generic driver via PowerShell:
The Polycom Communicator C100s is a beloved piece of hardware. Released over a decade ago, this portable USB speakerphone was a game-changer for early adopters of VoIP and softphones like Skype. Its superior audio pickup (thanks to Polycom’s legendary Acoustic Clarity Technology) made it a staple in conference rooms and home offices.
Any website asking for $19.99 to "fix your C100s driver" is a scam. The only legitimate driver is free and built into Windows. Part 6: The Best Alternative Firmware / Driver Hack (For Tech Enthusiasts) There is a cult following for the C100s because its microphone array is still superior to many modern $100 webcams. A community hack exists to re-flash the C100s using Syba SD-CM18-4 drivers (a legacy USB audio controller reference driver).
However, as Microsoft pushes forward with Windows 10 and 11, many users face a hard truth: The C100s is an orphaned device. Polycom (now part of HP) has officially marked this device as .
| Feature | Polycom C100s (Legacy) | Polycom (HP) P15 | Jabra Speak 510 | Anker PowerConf S3 | | :--- | :--- | :--- | :--- | :--- | | | No (Generic only) | Yes | Yes | Yes | | USB-C Connection | No | Yes | Yes | Yes | | Bluetooth | No | No | Yes | Yes | | Price | $15 (used) | $129 | $179 | $89 | | Microphone Quality | Good (for its age) | Excellent | Excellent | Very Good |
