The Bose Professional FreeSpace FS2C is a pair of in-ceiling passive loudspeakers designed for intelligible speech and music reproduction in an array of commercial applications, whether installed with ceiling-, surface-, or pendant-mounted options (available separately). Equipped with an integrated steel-formed backcan and a single 2.25" full-range driver, each FS2C speaker yields a 150° conical coverage pattern and a frequency range from 83 Hz to 19 kHz.