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FiiO BTR3-The World' First Bluetooth Headphone Amplifier, SBC/AAC/aptX/aptX LL/aptX HD/LDAC/HWA (LHDC)

Discussion in 'Portable Headphone Amps' started by FiiO, Aug 8, 2018.
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  1. Hal Rockwell
    Isn't it a bit steep to pay 15USD for a case for a device that costs 80 bucks?
     
  2. KKFA
    I thought it was for a set of 6 colours? So that would be 2.5 a pop. Not that extravagant I guess.
     
  3. speedingcheetah
    If that is the case, then I am a bit surprised that some folks havn't sold off on ebay the individual cases they do not want.
    I just want the black one.
     
  4. FiiO
    FiiO Stay updated on FiiO at their sponsor page on Head-Fi.
     
    https://www.facebook.com/FiiOAUDIO https://twitter.com/FiiO_official https://www.instagram.com/fiioofficial/ https://www.fiio.com http://fiio.udesk.cn/im_client/?web_plugin_id=24494&group_id=47899&language=en-us
    Huxley likes this.
  5. FiiO
    Dear friend,

    If everything goes well, the EQ function will be added in early March.

    Best regards
     
    FiiO Stay updated on FiiO at their sponsor page on Head-Fi.
     
    https://www.facebook.com/FiiOAUDIO https://twitter.com/FiiO_official https://www.instagram.com/fiioofficial/ https://www.fiio.com http://fiio.udesk.cn/im_client/?web_plugin_id=24494&group_id=47899&language=en-us
    highlightshadow and crabdog like this.
  6. KKFA
    Hahaha, maybe black is only one no body wants to sell.
     
  7. shockdude
    Got a BTR3 over Christmas. The prospect of having an all-in-one BT adapter/USB DAC/IEM amp was too good to ignore, and overall it works great.

    There's one severe fault that I've found: the USB DAC has noticeable latency. It's ~50ms laggier than my laptop's headphone out. This surprised me, since the AptX-LL latency is also ~50ms and I expected the USB DAC latency to at least beat that.
    Is it possible for a future FW update to decrease the USB DAC latency?
     
  8. speedingcheetah
    Must just be your laptop???

    I have not any latency issues with my Win 10 laptop, desktop, or when using in USB DAC mode on any of my mobile devices. And i watch lots of videos, many with people talking where I would easy notice latency.
     
  9. shockdude
    I'm finding audio to be slightly late in videos, but I'm used to the laptop's headphone out and 50ms is pretty subtle, so I'm not surprised that you don't notice it.
    I play rhythm games (Stepmania, Clone Hero), where even 20ms audio latency is immediately noticeable. I measured the BTR3's latency using Stepmania's in-game calibration.
    I could capture a more precise latency measurement using Audacity, but that takes time.
     
    Last edited: Jan 4, 2019
  10. Manwue
    Hi to all,

    Does anyone have tried to connect it via bluetooth with an AVR. I cannot connect it with my marantz SR6009. I am trying to pair it with my AVR but my AVR cannot find it.
     
  11. FiiO
    Dear friend,

    The BTR3 doesn't have Bluetooth output. The marantz SR6009 you mentioned need a Bluetooth input, right? The BTR3 is not suitable in this situation.

    Best regards
     
    FiiO Stay updated on FiiO at their sponsor page on Head-Fi.
     
    https://www.facebook.com/FiiOAUDIO https://twitter.com/FiiO_official https://www.instagram.com/fiioofficial/ https://www.fiio.com http://fiio.udesk.cn/im_client/?web_plugin_id=24494&group_id=47899&language=en-us
  12. Manwue
    Ok thanks
     
  13. Manwue
    Ok thanks.
     
  14. speedingcheetah
    Is there any technical difference in the raw DAC chips that this used in this BTR3 vs the USB only DAC the Alpen 2 E17K?
    Does one have a "better" DAC than the other?

    The E17K does sound better to me, but that is probably because it has built in Bass and Treble adjust.
     
  15. shockdude
    I properly measured and compared the BTR3 DAC latency against the headphone outs on 2 laptops: my primary Windows 10 laptop and a much older Windows 7 laptop. Both produced near- identical latency numbers.
    For both the BTR3 and the headphone out, I used Audacity to play a click track through a speaker and recorded the playback through the laptop mic. The time difference between the clicks in each recording = latency difference.
    Interestingly, the latency depended on the Windows audio API.

    WASAPI: ~32ms over laptop out.
    MME: ~32ms over laptop out.
    DirectSound: ~55ms over laptop out <-- this is pretty bad, many video games use DirectSound and 55ms is over 3 frames of delay @ 60FPS.

    Really wish the BTR3 had lower latency, like <20ms.
    At the same time, there's a good chance this is just Windows latency. Wish I had another USB DAC to compare.
     
    Last edited: Jan 5, 2019
    archy121 likes this.
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