The loudspeaker shall be Lowell ESP-82CDTW, which shall include a high-performance 8" coaxial loudspeaker, ported bass reflex enclosure and press-fit grille for pendant or U-bracket installation. Frequency response shall be 67Hz-20kHz ±6dB. Sensitivity shall be 91.5dB log average at 1W/1M over the frequency response range, measured in full-space. The speaker shall be constructed of a coated paper cone with rubber surround and a titanium laminated compression driver high frequency. The woofer magnet weight shall be a minimum of 28.8 oz. (816g) and the woofer voice coil diameter shall be 2" (49.6mm).