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Massdrop PLUS Universal IEM

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  1. azif
    Hoping someone could help me. I bought another pair on ebay as spares (serial 18-0105XX).
    Comparing them side by side with the pair directly from massdrop (serial 18-0416XX) the ebay pair is:
    - Much softer at the same volume level
    - And the left and right channels seem less balanced

    Have i bought a dud? or are the older ones tuned differently?
    I read that BAs can be overdriven or filled with waxbut no idea how I'd check this
     
  2. RollingPeanuts
  3. Raketen
    While it is being overdriven you'd probably hear the sound being broken up (at least this is my experience with other IEM), but once the driver gets damaged I am not sure the effect would necessarily be obvious- could be something like channel imbalance?

    One thing that's relatively easy to check- inspect cable connections for signs of oxidation (verdigris) from sweat/moisture which creates a more resistive connection and has these effects (Clean with plastic safe Deoxit type product).

    If you didn't already- could also swap the cables & see what happens. Just be sure to look carefully at the pins if you plug the potentially bad cable in the good set- This thread has had some reported issues with MD+ cable looseness and to solve this sometimes people will slightly crimp the cable pins to force a better connection, but if you use a cable like that on a good connector it could damage the connector.
     
    Last edited: Jun 5, 2019
  4. azif
    Thanks,
    I'd tried swapping cables but still the same issues.
    Looking at the connections theres nothing obvious, though its a bit hard to see since theyre so tiny
    Guess its internal so looks like a dud...
     
  5. sainteb
    Is hiss/bloat inevitable on a MacBook Pro/iPhone without a dongle? If anyone can try this directly, that would be really appreciated.

    Edit: by dongle I meant the lightning to 3.5mm adapter
     
    Last edited: Jul 12, 2019 at 6:34 AM
  6. mwr2700
    I have to use the lightning to 3.5 mm headphone jack adapter but no dongle. No hiss or bloat with an iphone 7.
     
    sainteb likes this.
  7. Geekles
    Does the massdrop plus now has new packaging? The old one I know is black and white stripes.
    I bought online and it was green accent.
     
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