ACTIVE STUDIO MONITOR The MR524 self-powered monitor offers professional performance, clarity and perfect mix fidelity, allowing the user to listen with confidence that their mix will sound good on any other system. Thanks to Mackie's extensive experience in monitor design, the MR524 is precisely tuned to deliver the most realistic mix, whether it's dialogue, hip hop, rock or any other material. Our proven waveguide provides an ultra-wide listening spot and a consistent stereo image, while Acoustic Space controls let you adjust the monitor's frequency response to suit the studio. Key Points.