FIIO Q15 DAC and Headphone Amplifier Discussion & Impressions Thread
Dec 24, 2023 at 10:47 PM Post #244 of 784
For me the Q15 is a device which checks all boxes.
-PEQ
-Bluetooth
-4.4mm balanced connection
-Volume wheel
- Great Hardware and quality materials

I waited for a device like this for a long time and its the first device I ordered in an instance as it was available in my country.

I got my Q15 on Wednesday and even without burn in I already had some very sweet moments with my Audioquest Nighthawk and Denon AH-D 7200 both with 4.4 balanced cable.
With the Nighthawk it was even exceptional.

But PEQ was here the GAME CHANGER in both cases.

I was never a fan of the dark signiture of the Nighthawk. I even haded the upper Bass and lower mids pump.
But I liked how it rendered acoustic instruments and the deep bass capabilities.

With the Q15 i lowered the frequencies from 125hz to 500hz and it was a revalation.

IMG_0895.png

The sounds is detailed and has a beautiful holographic Soundstage with acoustic instruments.
Someone wrote it reminds him on the Cayin RU6 and i can confirm this. It has a wonderful analog flavor but the Q15 takes it to a better level. Its a pleasure with the Nighthawk and the EQ/PEQ settings.
And everything with Bluetooth from an iPhone!

With the Denon AH-D 7200 I lifted the high frequencies and i was already very good.

IMG_0901.png

Where Fiio definitely has to work on is the Controll App.
After i make the EQ settings and leave the EQ ( I go back to Main Menue) and return to the EQ settings all slider are back to zero!!
I seems like the PEQ settings are still there but the EQ settings are gone.

@FiiO: Please fix this and improve the PEQ further. The EQ/PEQ has already very good results sound wise!!

PEQ is the game changer here.

Thank you.

I have an Iphone XR
with IOS 17.2.1
Dear friend,

Q15 has the latest V1.66 firmware. You can upgrade it and see if this happens again: https://forum.fiio.com/note/showNoteContent.do?id=202311221710377480434&tid=77

Best regards
 
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Dec 25, 2023 at 8:23 AM Post #245 of 784
With the Q15, I'm experiencing repeated errors when trying to connect to my smartphone through Bluetooth. The Q15 display shows connected message, but the phone shows errors and does not recognise any headphone output. I have tried a factory reset, and have confirmed that I have the latest 1.66 firmware. Is this a known issue, and is there any fix available?
 
Dec 25, 2023 at 1:22 PM Post #246 of 784
Dear friend,

Q15 has the latest V1.66 firmware. You can upgrade it and see if this happens again: https://forum.fiio.com/note/showNoteContent.do?id=202311221710377480434&tid=77

Best regards

Hello,
after updating the Q15 to Firmware v1.66 it’s still the same.
After adjusting the frequency slider in EQ inside the Fiio Control App (all in Bluetooth mode) and going out of the EQ, back to the main menu the sliders are back to zero.
The EQ settings are not saved. PEQ is still there.

I recorded a video, please check the link:
https://1drv.ms/v/s!AkvlecI7I0segdZMwhTpHtDnACP7EA

Fiio Control App Version: 1.2.7
I-Phone XR
IOS 17.2.1

Hopefully it can be fixed soon because EQ/PEQ is the main reason I bought this device.

v1.66.jpg
 
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Dec 25, 2023 at 1:27 PM Post #247 of 784
With the Q15, I'm experiencing repeated errors when trying to connect to my smartphone through Bluetooth. The Q15 display shows connected message, but the phone shows errors and does not recognise any headphone output. I have tried a factory reset, and have confirmed that I have the latest 1.66 firmware. Is this a known issue, and is there any fix available?
Hi Do you use the latest version of fiio control app ?
 
Dec 25, 2023 at 2:04 PM Post #248 of 784
Hello,
after updating the Q15 to Firmware v1.66 it’s still the same.
After adjusting the frequency slider in EQ inside the Fiio Control App (all in Bluetooth mode) and going out of the EQ, back to the main menu the sliders are back to zero.
The EQ settings are not safed.

Hopefully it can be fixed soon because EQ/PEQ is the main reason I bought this device.

v1.66.jpg
Hello, is anyone with an IPhone having the same problem?
Is it the same with an Android phone?
Thanks.
 
Dec 26, 2023 at 12:22 AM Post #250 of 784
With the Q15, I'm experiencing repeated errors when trying to connect to my smartphone through Bluetooth. The Q15 display shows connected message, but the phone shows errors and does not recognise any headphone output. I have tried a factory reset, and have confirmed that I have the latest 1.66 firmware. Is this a known issue, and is there any fix available?
Hello,
what kind of phone do you use and what kind of Codec is selected in the Control App?
 
Dec 26, 2023 at 5:46 AM Post #254 of 784
Hallo,
It seems to be an IPhone problem.
I tried with the Samsung tablet of my wife and the EQ setting were there an are saved. It’s working there.
With the IPhone 11pro max of my wife it didn’t work either.
Im having an issue with iphone, i just connect it to Samsung and set LDAC for more immersive experience.
Not able to do it right now if nobody have time before I will try tomorrow’s night with btr7, Q7 and Q15 on iPhone and android phone.
Hello
What version of iPhone are you having problems with and what is the system version?

I'm connecting easily with my iPhone 12( iOS 12.0), I wonder if it has something to do with the system version?

Note that you need to tap Allow Pairing Connection during the connection process.
 
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Dec 26, 2023 at 5:57 AM Post #255 of 784
Hello
What version of iPhone are you having problems with and what is the system version?

I'm connecting easily with my iPhone 12( iOS 12.0), I wonder if it has something to do with the system version?

Note that you need to tap Allow Pairing Connection during the connection process.
Hello,
after updating the Q15 to Firmware v1.66 it’s still the same.
After adjusting the frequency slider in EQ inside the Fiio Control App (all in Bluetooth mode) and going out of the EQ, back to the main menu the sliders are back to zero.
The EQ settings are not saved. PEQ is still there.

I recorded a video, please check the link:
https://1drv.ms/v/s!AkvlecI7I0segdZMwhTpHtDnACP7EA

Fiio Control App Version: 1.2.7
I-Phone XR
IOS 17.2.1

Hopefully it can be fixed soon because EQ/PEQ is the main reason I bought this device.

Hello Willson,
Thank you for your reply.
In my case its not the Bluetooth connection.
Please see inserted Quote. I recorded even a video. It’s about the EQ settings.
Thank you.
Dietmar
 
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