New top-of-the-range headphones from Mackie. Open-back design for accuracy, making them ideal for mixing and critical listening where isolation isn't a priority. Proper reference-grade kit. Supplier's notes: The MC-450 headphones employ an open-back design for an even wider, deeper soundstage; reduced ear fatigue; high headroom; smooth midrange; and exceptional detail and clarity. They're a superior choice for audiophiles who want the most natural, accurate sound and for mixing in a quiet environment. The MC-450 features 42 mm transducers, and its impedance is rated at 54 ohms and sensitivity at 101 dB. Whether you're referencing your mix in the studio or producing your next track, MC Series Headphones allow you to take the Mackie studio sound, trusted by artists around the world, wherever you go. Whether you are tracking in the studio, mixing on your laptop, or even holding a boom on a set - having accurate, sturdy headphones are essential. Building on our studio monitor legacy, MC Series headphones offer the clarity and accuracy Mackie is known for in professional designs. All models feature large custom drivers for clear, distortion-free sound with ergonomic headbands and ear pads for hours of listening comfort in the studio or on the go.