"the box pro Mon P15, Passive Stage Monitor, Equipped with 15"", 1.35"" coaxial, Power rating: 450 W RMS, 900 W peak, Impedance: 8 Ohm, Dispersional pattern: 80° x 80°, Max. SPL: 126 dB, Frequency range: 45 - 20,000 Hz, SPK in/ out, Built-in stand...