diffusore mk sound s300t surroundM&K Sound invented the Tripole speaker configuration to do what no conventional surround speakers can. Installing the side mounted and or rear mounted S300Ts improves the focus of rear channel events such as fly overs, vocals, effects, music, etc., as well as the realism of the ambient sound field. The S300T Tripole wall mount uses the same front drivers and crossover technology as the S300 for perfect acoustics. Independent and isolated side chambers