FiiO M15S Pocket Desktop-Level Player Discussion & Impressions Thread
Mar 20, 2023 at 9:26 PM Thread Starter Post #1 of 939

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FiiO's Pocket Desktop-Level Music Player M15S Is Officially Released!​

After more than 3 years since the release of the M15, the M15S is finally coming. As a pocket desktop-class player, it continues some of the technical features of the portable desktop-class player M17, while maintaining a comfortable grip body like the M15, achieving an ideal combination of great portability and high performance. All of these features owe to its elite designs.

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Desktop/portable dual power supply modes, robust performance everywhere

In addition to the desktop/portable dual power supplies, five gain levels, etc. inherited from the M17, the M15S has other impressive improvements. It is equipped with an automatic “auxiliary DC power supply” – the M15S is able to automatically recognize when fast charging through USB is being used and automatically switches to use the highest-voltage power supply. Therefore, when under USB power, the ultra high gain level is available, enabling undistorted power output up to 1200mW per channel, easily enough to drive a wide variety of IEMs and headphones.

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Furthermore, the M15S is designed with a dedicated desktop mode. When in the dedicated desktop mode and under USB fast charging, the M15S will transform essentially into a desktop device and work completely without the battery. That is, under this mode the battery will neither be charged nor discharged, preventing premature battery degradation.

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High-end configurations all built into one device

Since we positioned the M15S as a “pocket desktop player”, the configuration materials should not be compromised. The M15S not only features the full, uncut desktop ES9038PRO DAC chip with eight independent D/A converters for a truly rich and highly resolving sound, but also Qualcomm’s flagship QCC5124 Bluetooth chip, which supports Bluetooth 5.0, 2-way Bluetooth for SBC/AAC/aptX/aptX HD/LDAC.

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Thanks to the strong configurations, the M15S supports 6 modes including Roon Ready, Pure Music, Android, AirPlay, Bluetooth receiving and USB DAC, meeting your needs on different use scenarios while also allowing a better listening experience.

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Exquisite designs, a leap to an improved experience

In order to give you a consistent good experience inside and out, we put a lot of effort into craving the internal and external designs of the M15S, from heat dissipation, shielding, volume adjustment, etc. to do as well as possible.



The M15S uses multi-layer metal shields and a stainless steel battery holder, which helps to effectively and quickly dissipate heat generated inside the device. Also, it uses low temperature-drift and high-precision thin-film resistors and capacitors that can stably cope with temperature swings.

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In order to shield from interference as much as possible, the M15S employs comprehensive designs: high-precision nickel copper shielding cover, stacked onto which are other heat dissipation and shielding materials as well as wave-absorbing paper. The high-quality parts and carefully-considered shielding design all aim to ensure truly clean and highly-resolving sound.

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It is also worth mentioning that the volume on the M15S can be adjusted either with an analog potentiometer knob or with buttons, both easily allowing you to fine-tune through the 120 levels of volume the way you prefer.

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Key features of the M15S include:

-- Desktop/portable dual power supplies

-- 1200mW+1200mW continuous output power

-- Five gain levels

-- Six operating modes including Roon Ready

-- High-performance ES9038PRO DAC

-- QCC5124 with full Bluetooth format support

-- Knob/button volume adjustment

-- Qualcomm 660+Android 10

-- 5.5-inch 18:9 HD display

-- DK3S dock included



*The M15S is available on our AliExpress Official Store. Click the link below to take it home right away.

https://www.aliexpress.com/item/1005001651566947.html

>> For the first batch, each order on our AliExpress Official Store will get an earphone storage case HB11 and a desktop mouse pad F2051H for free. First come, first served! Come and get it now~



Best regards,

Guangzhou FiiO Electronics Technology Co., Ltd.

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Mar 20, 2023 at 10:44 PM Post #3 of 939
Hi, @FiiO.

Looking forward to learning more about this!

Does the volume knob work the same way the knob on the M17 works? In other words, does it have a fixed range which means that someone using Roon and wanting Roon to control volume has to to deactivate the knob and use buttons?

I believe the R7 volume knob works differently.

In either case, congratulations on the release!
 
Mar 21, 2023 at 2:11 AM Post #4 of 939
Nice. Already read all Chinese release pages via google translator 😅
Will probably retire my M11+.
Some questions though:
1. What is the difference between a player which has two DAC chips, like almost all M11 and above versions?
2. Why is the battery designed much smaller, although the players dimensions has grown a little bit (vs. old M15)?
3. When will it be available in Germany?
 
Mar 22, 2023 at 7:43 AM Post #6 of 939
Hi, @FiiO.

Looking forward to learning more about this!

Does the volume knob work the same way the knob on the M17 works? In other words, does it have a fixed range which means that someone using Roon and wanting Roon to control volume has to to deactivate the knob and use buttons?

I believe the R7 volume knob works differently.

In either case, congratulations on the release!
Hi, it works the same as M17.
 
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Mar 22, 2023 at 9:32 AM Post #8 of 939
What amplification does the M15S use?
 
Mar 23, 2023 at 10:07 PM Post #9 of 939
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Mar 23, 2023 at 10:16 PM Post #10 of 939
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#FiiO Pocket Desktop-Level Machine M15S#
Just as the model name shows, the M15S is positioned as a pocket desktop-level music player. In other words, the M15S is a real Android HiFi music player that you can take out and hold in your hand, with the output power close to that of a desktop one.

The M15S continues the classic columnar design of the M15, with a rear diamond-cut texture and a 5.5-inch 18:9 golden display. It is only 345g, half the weight of the M17, comfortable for holding.

In addition, it also features desktop/portable dual power supplies, and five gain levels, ultra-high gain mode (it will be enabled when the device identifies the Type-C QC protocol). At this time, the max non-distorted output power under BAL out can go up to 1200mW per channel, easily driving different types of earphones as well as over-ear headphones.

The M15S will be available soon. Come and get one to improve your music experience!
 
FiiO Stay updated on FiiO at their sponsor profile on Head-Fi.
 
https://www.facebook.com/FiiOAUDIO https://twitter.com/FiiO_official https://www.instagram.com/fiioofficial/ https://www.fiio.com support@fiio.com
Mar 25, 2023 at 1:54 AM Post #11 of 939
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#FiiO Pocket Desktop-Level Machine M15S#
As a pocket desktop-level music player, the M15S is superior in configurations and features. The full, uncut desktop ES9038PRO DAC chip with eight independent D/A converters is employed in the M15S. Each channel uses four D/A converters in parallel to form a fully differential output, for a truly rich and highly resolving sound. Bluetooth is handled by the Qualcomm QCC5124 chip that has a proven track record in other FiiO products, allowing the M15S to capably handle 2-way Bluetooth. Both Bluetooth 5.0 transmission and reception support LDAC/SBC/AAC/aptX/aptX HD.

Thanks to the excellent configurations, the M15S is able to work in 6 operating modes, including Android mode, Pure Music mode, AirPlay mode, Roon Ready mode, USB DAC mode and Bluetooth receiver mode. All made for a better user experience.

The M15S will be available soon. Come and get one to improve your music experience!
 
FiiO Stay updated on FiiO at their sponsor profile on Head-Fi.
 
https://www.facebook.com/FiiOAUDIO https://twitter.com/FiiO_official https://www.instagram.com/fiioofficial/ https://www.fiio.com support@fiio.com
Mar 26, 2023 at 3:45 PM Post #12 of 939
I expected more(((( this is rather a forced upgrade of the usual M15 and not a new model developed from scratch.
Why is it that the HiBy R6Pro II costs 750$ and it is better in everything than the M15S which costs 1000$ and has an old design.
In my opinion, the M15S was delayed with the release, in 2023 it will be bought only by fans of the brand and not for its hardware. I'm a fan of the brand, but the device is outdated before it can be released.
 
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Mar 26, 2023 at 9:16 PM Post #13 of 939
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#FiiO Pocket Desktop-Level Machine M15S# We always devote ourselves to providing an excellent user experience. The M15S achieves this goal from inside out. It is equipped with the Qualcomm Snapdragon 660 and Android 10. With the ability to freely install third-party apps and with no global SRC, users can be sure to listen to the music they want in the highest quality. Compared to the previous M15, the M15S can adjust volumes either with an analog potentiometer knob or with buttons, both easily allowing users to fine-tune through the 120 levels of volume the way they prefer. In addition, it includes rich accessories, such as the heat dissipation dock and leather case. The M15S will be available soon. Come and get one to improve your music experience!
 
FiiO Stay updated on FiiO at their sponsor profile on Head-Fi.
 
https://www.facebook.com/FiiOAUDIO https://twitter.com/FiiO_official https://www.instagram.com/fiioofficial/ https://www.fiio.com support@fiio.com
Mar 27, 2023 at 2:44 AM Post #14 of 939
I expected more(((( this is rather a forced upgrade of the usual M15 and not a new model developed from scratch.
Why is it that the HiBy R6Pro II costs 750$ and it is better in everything than the M15S which costs 1000$ and has an old design.
In my opinion, the M15S was delayed with the release, in 2023 it will be bought only by fans of the brand and not for its hardware. I'm a fan of the brand, but the device is outdated before it can be released.

I am very sorry but we have not see it is better than M15S in everything. for example, Qualcomm 660s is still the best Soc among Android DAP, ESS9038PRO is still the best and expensive DAC chip. and not to talk about the power output and DC mode II .
 
FiiO Stay updated on FiiO at their sponsor profile on Head-Fi.
 
https://www.facebook.com/FiiOAUDIO https://twitter.com/FiiO_official https://www.instagram.com/fiioofficial/ https://www.fiio.com support@fiio.com
Mar 27, 2023 at 10:03 AM Post #15 of 939
I am very sorry but we have not see it is better than M15S in everything. for example, Qualcomm 660s is still the best Soc among Android DAP, ESS9038PRO is still the best and expensive DAC chip. and not to talk about the power output and DC mode II .
Maybe I'm wrong, but FiiO will publish photos of PCB with amplifier components? OPA926 is specified, but this information is not enough.
And what kind of dac is there is not much interesting, besides, the ES9038PRO is old, there are new models, but for me the main thing is the amplifier part and not the dac, since it is a portable device, there is still no place to fully reveal the potency of top-end dacs.
 

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