Grindhouse Speakers - GH15M - 15 Inch Passive Wedge Floor / Stage Monitor  400 Watts RMS - PA/DJ Stage, Studio, Live Sound 10 Inch Monitor Model: GH15M Contents: 15 Inch Wedge Floor Monitor Active / Passive: Passive Power Rating: 400 Watts RMS | 800 Watts Peak each Impedance: 8 Ohms