Plan Uno – Rail Mount Pedestal Speaker Platform 11in: Needs an MR-1 and a Pedestal Speaker Platform, Single
Plan A – Rail Mount Pedestal Speaker Platform 11in; Needs an MR-2 and Pedestal Speaker Platforms, Set of 2
Plan Series Mounting Rail Info Sheet; (Sold separately) MR-1 for Plan Uno and Center of Plan C; MR-1P (pair) for Plans C, D, E, F, and Mixer Conversions; MR-2 for Plans A, B4, and C4; MR-3 for Plan B
Multi-Station Pedestal Speaker Platforms (Does not need a Mounting Rail.)