Topping NX2 Portable DAC/Amp Impressions Thread

Discussion in 'Portable Headphone Amps' started by mrjoshua, Mar 8, 2015.
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  1. Podster
  2. DjBobby
    NX2 uses TI PCM2704
    NX2s uses TI PCM5101a
    So it's newer and better chip, but still a lower budget one.
    Lifted Andreas and peter123 like this.
  3. Podster
    Lower budget is not always the lesser, always the synergy between that chip and the device that feeds it:wink: Of course IMO nothing beats a well done file:beerchug:
    DjBobby likes this.
  4. bsoplinger
    Over in the NX1S thread there's a post mentioning that the coupling capacitors are undersized and that simply bridging them will restore a flat sub bass response. With the trade-off of risking passing a direct DC (0 Hz) signal through the amp and potentially damaging the attached earphones. Does the amp section of the NX2S have a similar design and reduced sub bass also?

    Hopefully I'm correctly posting the link to the NX1S post describing this:
  5. Lifted Andreas
    So I had the choice between the new Topping NX2s and FiiO Q1 2nd gen. I went for the FiiO which is like £30 more expensive, hopefully I made the right choice.
    Last edited: Dec 27, 2017
  6. bsoplinger
    I spent $65 for the NX2s and $72 for the Q1 mark 2 and find them to be comparable. The balanced output on the Fiio is nice but isn't a huge difference from a single ended output other than the extra power it provides.
  7. Lifted Andreas
    Ah would have been nice to hear them side by side but oh well, I ended up getting the FiiO Q1 2nd gen since I have a good history with FiiO products... even if I don't really care much for the balanced output, Apple certification or DSD but hey.
    Last edited: Dec 28, 2017
  8. DjBobby
    I have the NX2 1st gen and the FiiO Q1 1st gen. Q1 is miles away from NX2.
  9. Lifted Andreas
    Yeah I figured that might be the case. I guess FiiO is still king in budget audio DAC/AMP solutions. :D
  10. Mellowship
    Miles away like what? I figure Q1 is miles behind NX2 :D
  11. bsoplinger
    I was trying to decide if that meant that the Fiio was so much better or worse than the Topping myself. To me there are differences but some are better with the Q1 mk2 and others NX2s.
  12. DjBobby
    Q1 has low and high gain, NX2 not.
    Q1 has bass boost, NX2 not.
    Q1 delivers 190mw on 32 ohm, NX2 100mw.
    Q1 has much newer dac capable of 24/192, NX2 is only 16 bit/48khz.
    Q1 is ruler flat, while the main problem of NX2 is massive treble roll off. You can see the graph here:
    NX2 can work well with bright and harsh headphones, mellowing their treble. But at the end of the day Q1 is a more serious device :beerchug:
    Lifted Andreas likes this.
  13. Mellowship
    Thank you for making it clear! (By the way I was joking in my latest post)

    FiiO products are built to great standards.

    I was suspicious about the treble roll off on the NX2, as I use it mainly with the KZ ZS5 (great combo) and they don't sound too bright as they do directly from my FiiO x3ii. The graph you linked just made it clear. I wouldn't call the roll off massive, but it's audible for sure.
    Lifted Andreas likes this.
  14. maheeinfy
    So my NX2s gives error when connected to iPhone that it draws too much power. Is there a way to make it work?
  15. handwander
    Anyone happen to know if any of these are remedied with the NX2s?
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