The Electro-Voice ZX4 15 passive loudspeaker is a high-quality PA speaker designed for professional audio use. With a sleek black design and wired connectivity, these speakers from the reputable brand Electro-Voice deliver powerful sound for music, DJ, and other audio applications 400w cont. The passive design ensures clear and natural sound reproduction, making them ideal for various musical instruments and equipment. Whether used for live performances or studio recordings, the Electro-Voice ZX4 loudspeakers provide excellent sound quality and reliability for any pro audio setup. Frequency Range (-10 dB). Full-Range, Mid-High, Two-Way, Wedges. Frequency Response (-3 dB)¹. Coverage (Nominal -6 dB) H. Coverage (Nominal -6 dB) V. High Impact Polystyrene Composite. Polyester Powder Coated, 18GA Galvanized Steel. Sensitivity 1 W/1 m. 44.53lbs (20.2kg). Hardly used as too big for most of my gigs! With official EV covers! Overall very tidy condition but with some light marks commensurate with use.