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Volume even lower when using portable amp with smartphone...

Discussion in 'Portable Headphone Amps' started by bogginhead, Oct 10, 2018.
  1. bogginhead
    I've been trying to use a Topping NX5 with my IEMS and smartphone (Galaxy S9+). For some reason, whenever I do use it the volume output is even lower than without it. The IEMs I'm using are the Tin T2 and the Revonext QT2s. Anyone know what the deal might be? Both of those earphones are pretty low impedance.
  2. mitsu763
    This may be obvious but I'll ask it anyway. Have you turned up the volume all the way on your phone? Also, are all cables fully seated?
  3. bogginhead
    Oh yeah, everything is all the way up and connected right. I just don't understand how it could actually make it the volume lower...
  4. Jack71
    Having the exact same issue with my Samsung Galaxy Note 9 and Meridian Explorer2. I attached the Explorer2 to the phone using the USB adapter that came with the phone. It sounds great but the volume is ridiculously low with iems or my Sennheiser Momentum 2.0's.

    I used to do the same thing with my iPhone with no issues. Only difference is I had to use the lightning camera adapter so that I could power the Explorer separately. The Note 9 powers the Explorer directly with no issues, but maybe that's the issue? Maybe the phone can only power the Explorer's DAC but not the amp?
  5. bogginhead
    I really don't know man, and I'm really at a loss with this. Could it be the OTG I'm using? There's probably a good reason for this to be happening, but to me it makes no sense, for real.
  6. Jack71
    I'm surprised there's still no answer posted to this. No one else here using a Samsung smartphone with a USB headphone amp/dac?

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