[FiiO BTR15/BTR5 2021/BTR5]Bluetooth DAC and Headphone Amplifier Discussion & Impressions Thread
Dec 18, 2019 at 5:45 AM Post #316 of 3,679
Was back in thread but may have been a black Friday weekend only code.
 
Dec 18, 2019 at 6:11 AM Post #318 of 3,679
Yeah, I tried both the codes from back there, but both were dead.
Thanks anyway.
This 12% one still works 150AMP419 (<< think that's only for over £150 spend) normal 10% one then.
 
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Dec 19, 2019 at 1:17 AM Post #319 of 3,679
Hello i have Hiby w5 which also has es9218p dual dac which outputs 80mw+80mw @32ohm on 3.5mm ..... i was wondering if fiio btr5 also outputs same 80mw+80mw (double) or just 80mw (single) because in the btr5 official specs here https://www.fiio.com/btr5_parameters it says only 80mw ....
 
Dec 19, 2019 at 4:24 PM Post #320 of 3,679
Hello i have Hiby w5 which also has es9218p dual dac which outputs 80mw+80mw @32ohm on 3.5mm ..... i was wondering if fiio btr5 also outputs same 80mw+80mw (double) or just 80mw (single) because in the btr5 official specs here https://www.fiio.com/btr5_parameters it says only 80mw ....

The ratings for the W5 are referencing the power to each channel is 80mW, which is the same as the FiiO rating of 80mW. Some manufacturers state the output with the “+” symbol when referencing output.

I may be wrong on this, but this is my understanding.
 
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Dec 19, 2019 at 7:55 PM Post #321 of 3,679
Dec 20, 2019 at 7:59 AM Post #323 of 3,679
Does the btr5 provide line out capabilities? I would like to use it as a wireless DAC to another amplifier when i am home.

No.
 
Dec 21, 2019 at 1:34 PM Post #325 of 3,679
You'll get the "ll-mode" through usb connection instantly, because there isn't such a mode on usb.

If you're looking for bluetooth, the btr5 isn't a bluetooth transceiver. :wink:
 
Dec 21, 2019 at 2:44 PM Post #326 of 3,679
How would i i connect this to a pc and use the low latency mode?

And does anyone have pictures if the inside of this device? I would like to mod it to fit onto my fidelio x1

Install drivers for FIIO BTR5 and ASIO is made available. Than use media app of your choice that supports ASIO.
 
Dec 21, 2019 at 3:20 PM Post #327 of 3,679
Aaah.
Misread the question and fooled myself.
Damn it.
Sorry for that. :right_facing_fist::zipper_mouth::left_facing_fist:

Thank you @archy121 .
 
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Dec 21, 2019 at 6:57 PM Post #329 of 3,679
Anybody know what the filters do?

I'm seeing APOD 1, APOD 2, HYBR F, BRICK, FAST, SLOW, MINI, and MINI S.

The quick-start guide only talks about slow, fast, and minimum phase roll-off. Can't make out what the others do.
 
Dec 21, 2019 at 7:39 PM Post #330 of 3,679
Anybody know what the filters do?

I'm seeing APOD 1, APOD 2, HYBR F, BRICK, FAST, SLOW, MINI, and MINI S.

The quick-start guide only talks about slow, fast, and minimum phase roll-off. Can't make out what the others do.


As with any digital filters in any DAC, they all do the same thing (unless it is a NOS DAC, which has no filter). When converting digital signal back to analog wave form, DAC needs to re(*over)sample the signal. In the process, unwanted noise is created as a byproduct, but at a higher frequency beyond human hearing range (>22KHz). The higher the resampling rate, the higher the noise will be in frequency. Since we don't want to hear noise, DAC designer puts in digital filter in DAC to filter out these noise. However, various type of filters each has its pros and cons, and writing about each of them in detail will be more of less worthy of a technical paper on its own - thus we are not going to discuss it here as these have been discussed in detail over the Internet (Google is your friend). The important issue is which to use - and actually no one has the "correct" answer as different people will tend to prefer one filter oer another (as said, each of them has its pros and cons). This is why DAC maker these days put in all the different filters option in their DAC and let the user / manufacturer pick the one they want to use. So the real answer is to listen to them all by yourself, then decide which one you like better.
 

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