The Extron SoundField® SF 26X is a two-way ceiling speaker featuring an open back and coaxial dual driver design for use in non-plenum airspace environments. The driver complement includes a 6.5" (16.5 cm) woofer coupled to a 3/4" (1.9 cm) ferrofluid-cooled dome tweeter. The SF 26X provides a frequency range of 50 Hz to 20 kHz for accurate voice and detailed music reproduction. This speaker offers a nominal impedance of 8 ohms, and is engineered with a wide, uniform 110° conical coverage and uncolored off-axis response. The SF 26X features a thin-edged bezel for a refined appearance on the ceiling, and a magnetically attached grille.