The LA1421S is a 15-inch passive line array subwoofer designed with a rated power of 1000W and an impedance of 4Ω. Featuring a single 15" driver unit, it achieves a maximum SPL of 134±2dB with a sensitivity of 104±2dB. Operating within a frequency response range of 32Hz to 230Hz, this subwoofer offers a coverage angle of 100°x20°, measuring 521x779x685mm, and weighing a net of 60kg.