This is the factory-programmed digital FX module used in the Marshall DSL40CR and DSL100H amplifiers. It handles all onboard digital effects, including reverb, delay, and modulation. If your amp has lost effects functionality or is exhibiting DSP-related issues, replacing this module may resolve the problem. Key Features: Genuine Marshall OEM part Part Number: DFXP-90004 Pre-programmed digital FX board Controls built-in reverb, delay, and modulation Direct replacement for original module Compatibility: ✔ Marshall DSL40CR ✔ Marshall DSL100H ✔ Replaces factory-installed DFX module Important Notes: ⚠ Installation must be performed by a qualified technician ⚠ Electronic components are non-returnable ⚠ If out of stock, lead times vary—contact us for availability Service and Support British Audio is an authorized Marshall service provider. Contact us if you need help with installation or troubleshooting.
