Modern Design Featuring Luxurious Finishes Discreetly hidden behind fabric wrapped magnetic grilles, Folded Motion and aluminium cone drivers are held securely in place beneath matte black trim that masks tweeter and woofer mounting hardware for a clean, modern aesthetic. Solid cabinets, designed to eliminate fidelity robbing vibrations, are constructed from 18mm (0.7-inch) MDF with 31mm (1.2-inch) thick front baffles. Motion 60XTi and 50XTi feature additional internal bracing to further reduce cabinet resonance. MartinLogan's premier Motion Series speakers are available in three luxurious finishes and matching metallic trim—gloss black with black grilles and gunmetal grey trim, matte white with silver grilles and silver trim, and red walnut with black grilles and champagne coloured trim. Custom 5-Way Tool-less Binding Posts Premium gold-plated 5-way tool-less binding posts assure a stable connection while accommodating a wide range of connections. Two sets of binding posts accommod