The LD Systems Sub88A Active Sub Bass Unit system features powerful, dynamic 2×8`` sub-bass units and a Mono 150W Amplification unit, all built into a sturdy MDF bass reflex enclosure.Its compact construction permits unobtrusive installation of the cabinet in a variety of locations, either vertically or horizontally, as long as it`s port lies further than 20cm from a reflective surface.The Sub88A is the perfect addition to the SAT62A mid/top speaker cab, together providing a full range, powerful sound reinforcement solution.Specifications…. * 150W RMS amplifier * Loudspeaker = 2 x 8`` * Frequency range = 40-120Hz * Max SPL = 114dB * Impedance = 2 x 8Ohm * Terminals = Clamp type connection * Dimensions (W x H x D) = 600 x 250 x 350 mm * Weight = 16kg