The LA1428N is a 400W line array full-frequency loudspeaker with a rated power of 400W and impedance of 16Ω. It features a driver unit configuration of 8"x2 and 1.75"x1, achieving a maximum SPL of 124±2dB and a sensitivity of 98±2dB, operating within a frequency response range of 70Hz to 20kHz. Measuring 232x643x385mm, it offers a coverage angle of 120°x20° and weighs a net of 16kg.