[FiiO BTR15/BTR5 2021/BTR5]Bluetooth DAC and Headphone Amplifier Discussion & Impressions Thread
Feb 20, 2024 at 11:53 AM Post #3,467 of 3,652
(Using a translator)

Has anyone else experienced issues when watching youtube videos using the BTR15?
Samsung Galaxy S22 ultra - Bluetooth LDAC - Fiio BTR15 - 3.5mm iem
After playing the video, the sound comes after 1-2 seconds, but I can't hear the first 1-2 seconds of the video.
I believe this is an issue with the buffer, but I couldn't find any relevant menu in the fiio app, or in the btr15 device settings.
Has anyone solved a similar problem?
I've got the same issue on PC. Can it be solved with a future firmware update?
 
Feb 21, 2024 at 8:46 PM Post #3,468 of 3,652
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Feb 23, 2024 at 9:52 PM Post #3,470 of 3,652
Hello Can we use EQ like Qudelix when connect the BTR15 to pc such as the peace EQ app? So as to eq headphones when listening from streaming services?
Thanks
Dear friend,

The EQ function in BTR15 could work in UAC 2.0 and Bluetooth mode. You may check whether the EQ in it could meet your need.

Best regards
 
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Feb 25, 2024 at 4:23 AM Post #3,471 of 3,652
Can someone compare the sound quality of BTR15 with DC04 PRO?
Hmm did you come from Dongle madness? XD I remember the reviewer doing a comparison and saying they sound similar.

In my own experience, they don't sound very similar. DC04 pro is smoother and has more dynamics (low volume parts are quieter, louder parts are louder). BTR15 via bluetooth has more sharpness. I can't tell which is warmer as they are pretty close in that aspect there are various settings for each device that can slightly influence the sound, and neither are warmish dacs. DC04pro has slightly more resolution and soundstage but the details don't pop as it's more laidback, while BTR15 sounds more aggressive and fun for pop genre. BTR15 via cable sounds more detailed but more clinical like many typical ESS dac daps, so I prefer BTR15 via bluetooth.
 
Feb 25, 2024 at 5:10 AM Post #3,472 of 3,652
Hmm did you come from Dongle madness? XD I remember the reviewer doing a comparison and saying they sound similar.

In my own experience, they don't sound very similar. DC04 pro is smoother and has more dynamics (low volume parts are quieter, louder parts are louder). BTR15 via bluetooth has more sharpness. I can't tell which is warmer as they are pretty close in that aspect there are various settings for each device that can slightly influence the sound, and neither are warmish dacs. DC04pro has slightly more resolution and soundstage but the details don't pop as it's more laidback, while BTR15 sounds more aggressive and fun for pop genre. BTR15 via cable sounds more detailed but more clinical like many typical ESS dac daps, so I prefer BTR15 via bluetooth.
Yes nd I was thinking for buying new dongle. About wire connected headphones which of the two would you prefer? As for Bluetooth is not necessary for me.
 
Feb 25, 2024 at 8:04 AM Post #3,473 of 3,652
Yes nd I was thinking for buying new dongle. About wire connected headphones which of the two would you prefer? As for Bluetooth is not necessary for me.
I only use iems. Soundwise only, I prefer DC04pro, but it's close.

However, if you are new to the more expensive dongles, and have no chance to demo them, I would recommend Tanchjim Space instead for its safer tuning and higher resolution than the others. DC04pro has a more fun sound but may be too smooth for some people. This is from me testing with the iem TRUTHEAR x Crinacle ZERO: RED
 
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Feb 27, 2024 at 7:20 PM Post #3,474 of 3,652
Feb 27, 2024 at 10:47 PM Post #3,475 of 3,652
The firmware download link doesn't seem to be working. Is there another link?
Dear friend,

The latest firmware has been uploaded to the forum just now. You could check again?

Best regards
 
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Feb 27, 2024 at 11:05 PM Post #3,476 of 3,652
Dear friend,

The latest firmware has been uploaded to the forum just now. You could check again?

Best regards
Mine actually came with V2.2, but just in time for V3.5.

Update complete without of hitch!

Question. What's the different between EQ off and bypass?

Thanks.
 
Feb 28, 2024 at 2:23 AM Post #3,477 of 3,652
Mine actually came with V2.2, but just in time for V3.5.

Update complete without of hitch!

Question. What's the different between EQ off and bypass?

Thanks.
Dear friend,

When swtiching EQ from Bypass to other EQ, the music will not stop.
When switching EQ from OFF to other EQ, the music will stop.
When playing MQA or DSD files, the EQ option need to be switched to OFF.

Best regards
 
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Feb 28, 2024 at 2:24 AM Post #3,478 of 3,652

The new XMOS firmware 125 and Bluetooth firmware v3.5 for BTR15 are now available!​

8811276.jpg

Firmware download link and update instruction: Click here
 
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Feb 28, 2024 at 3:22 AM Post #3,480 of 3,652
is the XMOS firmware upgrade included on the Bluetooth firmware or both need to be individually upgraded? one via Bluetooth and the other via USB from a Windows machine
I just updated my BTR15. The XMOS firmware 125 I updated via Windows PC. While the v3.5, I downloaded to my phone and updated by selected local update using the FiiO Control App. My DAC is now running v3.5 (verified on the DAC itself) and from the FiiO Desktop Application running v1.25.
 

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