Summary: Type: subwoofer; The number of bands: 1; Power: 250 W (nominal), 500 W (maximum); Sensitivity: 88 dB; Housing: no; Additional information: Diffuser made of polypropylene. Stamped basket. The main resonant frequency (FS) 28 Hz. Equivalent volume (VAS) 99,9 HP Full q (Qts) of 0.46.; ...