The loudspeaker shall be Lowell ESP-82TW, which shall include a high-performance 8" coaxial driver, ported bass reflex enclosure and press-fit grille for pendant or U-bracket mount. Frequency response shall be 64Hz-20kHz ±6dB. Sensitivity shall be 90.0dB 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 silk dome tweeter. The woofer magnet weight shall be a minimum of 19.2 oz. (544.7g) and the woofer voice coil diameter shall be 1.2" (30.55mm).