The BOSS GS-10 is a 'guitar effects system with USB audio interface'. It came on the market in 2003. It is no longer in production - but still pretty cool!

Note: historically the GS-10 came after the GT-6 and before the GT-8/GT-PRO. The GS-10 should not be confused with the more recent GT-10!

GS-10 Manager, an advanced editor for the GS-10, is available from its own page, which can be accessed by clicking here.

Link to the Yahoo GS-10 user group:
http://launch.groups.yahoo.com/group/gs-10/
A world-wide GS-10 user group, with currently (March 2012) nearly 500 members.
This is a great place for any questions about the GS-10.
Membership is free but has to be approved.
This forum is also the unofficial primary support site for GS-10 Manager, so please post any questions about GS-10 Manager in this forum instead of sending an e-mail to the Mountain Utilities contact address.

By clicking the links below, you can download several pdf files discussing various aspects of the GS-10.
In particular the files listed under 'Effects' should also be of interest to owners of related BOSS guitar effect processors, such as the GT-6, GT-8 and GT-PRO.

General:

GT-6 vs GS-10 patches
A detailed list of what's new in GS-10 patches compared to the GT-6.

GS-10 bugs
A bug report on the GS-10. (This was intended for BOSS, but they never responded!)

Tables:

Preset patches
Detailed preset patch table. Corrects several errors in the table in the official BOSS GS-10 manual.

Quick Settings
Lists and tables of the Quick Settings.

Effects:
The files in this category were re-generated in 2009. They now incorporate hyperlinks and pdf bookmarks, allowing for easier navigation. Also, their frequency plots are rendered in more detail, which is why the files are a lot bigger than before.

Dynamic processors (CS/ACS/LM)
Input-output plots of the GS-10's limiters and compressors.

Pedal Wah
A discussion of the Pedal Wah effect.

Tone Modify
A discussion of the Tone Modify effect.

Preamp/Speaker
An in-depth (83-page!) discussion of the Preamp/Speaker effect. (The download is a zip file of about 4 MB, containing the pdf file of about 10 MB.)

Stereo
A discussion of the GS-10's stereo properties (related to the setup of the effect chain).