Boss Audio Systems AR10D is a 10-inch (254 mm) dual 4 Ω voice coil subwoofer with a peak power handling of 2200 watts. It features a 2-inch (51 mm) high-temperature voice coil and a butyl rubber surround. The AR10D has a resonant frequency of 36 Hz, an impedance of 8 Ω (series), and a sensitivity of 85 dB. It is suitable for use in both sealed and ported enclosures.