Mark Levinson No. 5909 Bluetooth Adaptive Noise-Canceling Headphones (Open Box) Color:Radiant Red Its low-mass diaphragm is custom-engineered

Its low-mass diaphragm is custom-engineered for extended frequency response and superior transient response

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or switch it to high gain for full size headphones

slightly accentuated mid-range register and the transparent upper frequencies

Mark Levinson No. 5909 Bluetooth Adaptive Noise-Canceling Headphones (Open Box) Color:Radiant Red Its low-mass diaphragm is custom-engineeredIntroducing the 5909 Effortless luxury HIGH RESOLUTION WIRELESS HEADPHONES WITH ACTIVE NOISE CANCELLATION Lose yourself in your music with the first ever headphones from Mark Levinson, a pioneer in high fidelity audio for the past 50 years. Reference quality sound meets luxurious comfort in a lightweight and durable set of headphones featuring Adaptive Active Noise Cancellation (ANC) thats perfect for travel. Reveal the hidden details in your music at