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OPPO PM-1 Planar Magnetic Headphone

A beautiful lightweight design with a luscious sound presentation, the open-back OPPO PM-1 planar magnetic audiophile headphone offers a different way of thinking about planar magnetic technology.

The PM-1 is characterized by its natural, dynamic and smoothly engaging tone with a build emphasis on wearing comfort and reduced frame weight. Undoubtedly, its certainly among the most comfortable of all the planar full-size headphones out there today.  Most importantly, the PM-1 has a sealed-back/ closed earcup construction, a fair rarity in the full-size circumaural planar magnetic headphone world. For audiophiles needing a bit of ambient noise isolation and/or listening privacy, the Oppo PM-1 perfectly fits the bill.

The two big operative words with Oppo PM-1 are balance and precision. No singular part of the frequency range sounds hyped or blown-up including the uppermost highs which are rendered with an accuracy that's transparent and slightly glossy without trace of sharpness or edge. The low bass is far from exaggerated, instead anchoring the music with a deep, warm delivery that offers intricate detail resolution and great extension without a heavy or overbearing presence. For most listeners, we think the bass response is nicely tight and accurate, but for big bassheads, the Oppo PM-1 may perhaps lack the punch or slam required for certain genres of modern music. 

The Oppo PM-1 is the result of many years of dedicated high-end headphone research led by a team comprised of passionate audio and acoustics engineers, chemical and materials scientists and general audiophiles. Naturally, a goodly number of technological breakthroughs have made their way into the PM-1, including the use of a unique 7-layer Oppo-exclusive diaphragm, double-sided spiraling coils and an FEM-optimized magnet system that's also found only in the PM-1.

The PM-1 outer construction design is large-sized overall but very streamlined and the fit on the head is extremely comfortable. The PM-1 can ably fit heads of various sizes and shapes, which is not always the case with big audiophile headphones. Given the large deep-well earpads, most of our headphone.com review team can wear this headphone all day or on long trips with no ergonomic discomfort setting in. The isolation value is also quite solid and can effectively attenuate a good deal of ambient background environmental noise. The sealed-back design also keeps the music in your headphones from leaking out and potentially disturbing others nearby, a must-have feature if you listen in office cubicles or in other quiet places. The detachable cable is easily replaceable if ever needed, which adds excellent extended use life for these great Oppo cans.

  • Specifications:

    • Driver: Planar Magnetic
    • Type: Open-Back
    • Impedance @ 1kHz: 32 Ohms
    • Sensitivity: 102 dB SPL/V
    • Frequency Response: 10Hz - 50KHz
    • Connector Type: 1/4", 3.5mm (1/8")
    • Cable Length: 1/4" stereo plug- 10ft.,  1/8" (3.5mm) mini-plug - 3.5ft.
    • Cable Style: Straight 'Y'
    • Weight: 395 grams [w/o cord]
    • Manufacturer Warranty: 1 Year

    What's In The Box:

    • OPPO PM-1 planar magnetic headphone
    • Wood storage box
    • Zippered carrying case
    • (2) detachable cables: 1/4" - 10ft.; 1/8" - 3.5ft.
    • 1 pair velour earpads
    • 1 pair lambskin earpads
    • Oppo owner's manual
  • Oppo PM-1 Frequency Response


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