Mars J900 SL-X

ToneHub Expansion Pack

Free trialPlay Video

Pack features

The Mars J900 SL-X is based on a Marshall™ JCM900 SL-X™ Amplifier. This amp produces classic Marshall™ crunch on lower settings yet shines for high gain distortion tones. The pack has a total of 36 presets, from 3 different cabinets, including 5 unique overdrive and fuzz pedal options.

Get ToneHub Pro

Your All Access pass to ToneHub’s library of world-class signature guitar and bass tones. No other products required.



Free 10 day trial

then $15 USD/month

Fully functional free trial with unrestriced access to all features for 10 days.




USD per month

Cancel any time

Our most popular and recommended all-in-one option. Everything you need.




USD per year

Cancel any time

Save $30 every year, normally $180. Everything you need.

Get Yearly

Want to own outright? No problem.


The ultimate collection of guitar and bass tones from the biggest names in the industry.

Learn more

It's simple.

$15/month gets

you everything.


© STL Tones. All rights reserved. All product names and trademarks are the property of their respective owners, which are in no way associated or affiliated with STL Tones.