Line 6 MM4 Mods Which Mod Package?:Tier 1 Tap Mod: This mod adds

Tap Mod: This mod adds an onboard tap tempo foot-switch to give you more intuitive control over your tap tempo without needing an external remote

Boss RE-20 rehouse features:

Diode Mod: This mod adds a toggle switch to change from stock clipping to crunchy LED symmetrical clipping

but I noticed the unit sounds amazing stacked into another one of the same

Tier 2: Tier 1 mod and Fullness Mod

Line 6 MM4 Mods Which Mod Package?:Tier 1 Tap Mod: This mod addsMod Tiers: Tier 1: Volume Drop Fix Mod, Footswitch Upgrade Mod, and Green LED Upgrade Mod. Tier 2: Tier 1 mods and Expression Mod: Double Preset Mod ***Modifications do not include the pedal itself. These prices are for the service to modify your pedal. If you would like to purchase a pedal that is sent to you already modded, please send us a message! Volume Drop Fix Mod: This mod fixes the volume loss problem in most stock units. Footswitch Upgrade