Support for Marshall JCM800 Synergy Preamp Module

Released in 2026, the Marshall JCM800 Synergy Preamp Module is a Dual-channel JCM800 three-tube preamp module with classic 80s crunch and soaring lead gain.

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Guides

Settings and controls

Learn how to adjust the sound on your Marshall JCM800 Synergy Preamp Module.

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Troubleshooting

Learn how to fix common issues with your preamp module.

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Documents

Synergy Amps: User manuals

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Synergy Amps: Common questions

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Product details

Dimensions

Height: 38.1 mm; width: 177.8 mm; depth: 139.7 mm

Height: 1.5”; width: 7”; depth: 5.5”

Water resistance

No

Wired connectivity

¼” Instrument cable

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Basic EQ

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Reverb

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Heads and Combos

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Modulation

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