The BOSE's FREESPACE DS16F is a flush-mount passive loudspeaker that serves as the FreeSpace DS series' entry-level variant. It has a single 2.25" full-range driver with a 140° conical coverage pattern for clear music and speech reproduction. It can withstand up to 16 watts continuous (64 watts peak) and has a peak SPL of 102 decibels. This public address system has an integrated multi-tap transformer that can be tuned to a variety of 70V/100V voltages using a thumbwheel beneath the grille.