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Offering true high-resolution sound, the Martin Logan subwoofer is a 10-inch cone style model that is made from aluminum for the right sound. The subwoofer is controlled through a servo system. The Martin Logan Grotto i offers a frequency response from 22 Hz to 120 Hz, as well as a change between plus or minus three decibels. The power handling for the amplifier in the subwoofer is 300 watts with a peak power handling at 900 watts. The level control in the Martin Logan subwoofer is 25 Hz. The Martin Logan Grotto i includes both LFE and stereo inputs in order to provide separate crossovers. This Martin Logan subwoofer is a high-resolution powered system that allows for easier use in a home theater system. This system includes compensation between plus or minus 10 dB in order to avoid any interference from outside sources. This is an indoor only subwoofer and it should be kept away from excessive heat and moisture. The dimensions of the Martin Logan Grotto I are 13.8 tall, by 15.2 inches wide, by 18.6 inches deep.
MartinLogan Grotto i Powered Subwoofer