Powerful from the lowest octaves of the audio range. The ML subs set a new benchmark for low frequency reproduction with the impact, dynamics and pressure that only a reference component can achieve. Power and harmony in the anti-resonant aluminium alloy basket design, self-standing low incidence five-spokes structure, Front-Back Gasket, magnet protection. Ultimate technology in every detail: V-CONE with Polypropylene membrane stiffened with mineral dusts, high excursion surrounds, extended pole piece, dual layer mobile voice coil with copper covered aluminium wire (CCAW), oversize motor assembly with an exclusive forced ventilation circuit. A harder, deeper and more controlled bass for a unique enthralling experience