The RMC OPT-01 is a 6-channel subsonic filter module that installs in the Roland GR-55 to eliminate the subsonic over-sensitivity in that unit.
Please note this unit is specifically designed for use with PIEZO pickup systems. The GK pickups are not piezo and suffer from a different type of interference.
All international orders are shipped FedEx International Priority and delivery takes just a few days.
Please note, International Order shipping fees do not include import duties or taxes.
Please speak to local resources to determine import tax rates and information.