This high bass speaker Performance (96 dB) gives you a bass fast, deep and very pleasant to listening. Its exponential membrane ensures you High bandwidth with a natural cut-off at 4000 Hz without accidents at the end of the band. Its engine consisting of a ring of 3.5 Kg in Alnico Gets the field necessary to achieve such a sensitivity. These qualities allow it to be directly coupled with a motor 1 thumb mounted on our pavilion. Mounted in a reflex or Jensen, cut to 500Hz, the curve of response will be straight at ± 2 dB until Final motor frequency 1 inch.