The loudspeaker shall be Lowell ESP-62TW, which shall include a high-performance 6-1/2" coaxial driver, ported bass reflex enclosure and press-fit grille for pendant or U-bracket installation. Frequency response shall be 64Hz-20kHz ±6dB. Sensitivity for the system shall be 88.6dB log average at 1W/1M over the frequency response range, measured in full-space. The speaker shall be constructed of a polypropylene cone with rubber surround and a PEI tweeter.