With coaxial two-way drivers, the 30W Bose Professional DesignMax DM3C loudspeaker offers clear, intelligible highs and surprising low end for their size along with premium aesthetics that complement any commercial sound installation. The DM3C features a two-way 3.5" woofer and 0.75" coaxial tweeter mounted within the Dispersion Alignment system, delivering a frequency range of 75 Hz - 20 kHz. The DM3C is ceiling-mounted, installed easily via QuickHold mounting arms.