@FiiO, thank you for your efforts to add much wanted new features to existing players. It is most welcome. One more feature request - currently in the Fiio music app, when selecting browse by Genre we get an alphabetical list of albums. This means that albums from the same artist are spread...

DarginMahkum, I have been using the M15 with Fiio FH7 and Sennheiser HD800 but lately started using the SHA900's sister product, the KSE1200. It's a fantastic pairing, my current favorite, although I'm not sure which aspects of the sound can be attributed to the amp module and which are due to...

Fair enough. It's a subjective hobby, and there's no one sound signature suitable to all. For me though, the filter settings made quite a difference on the M15. I have learned a lot from comparing notes on these forums and will look forward to trying out the DAPs that you have recommended...

Summarizing one point from early in the thread - we had a discussion about the AK4499's lowpass filters, which the M15 lets you change. We were kind of puzzled that Fiio had chosen as their default setting the Short Delay Sharp Roll-Off, which in AKM's docs is listed as enhancing bass. After a...

I ordered this similar product from Hiby but with a 4.4mm jack, and will let you know how it works out. Since the price was right, I also ordered this from Fiio to see if USB power isolation would be beneficial when using the M15 while charging. Fiio, if this device works works well then a USB...

Jim Bobber, Your comment from last week stuck with me, and after further listening I had started to hear some deficiencies in the M15/FH7 pairing. After a lot of experimentation what worked for me was changing the filter setting to Super Slow Roll-Off, which to my ears pulled the bass into...

Fiio has announced that their return from Chinese New Year has been delayed to February 10th due to the coronavirus. Fiio representatives - our thoughts are with you, your families, and all in mainland China during this difficult time.

Jim Bobber, Congratulations on the purchase! If you end up getting a cable I would be curious what you think of the FH7 balanced vs. unbalanced. I've had some DAPs where there has been a significant difference but I'm not finding it noticeable on the M15. Also when time for extended...

Today Fiio is back from Chinese New Years and it looks like they're viewing this thread now, so it's a good time to list our requested firmware changes: Playlist ordering options, as noted by Jim Bobber (above) Numerical display of volume (noted by several on this thread). This is very...

Re: the analog volume knob, Fiio's M15 page says: "Analog potentiometer volume knob Pro-audio grade volume adjustment ADC curve reconstruction as employed in the M15's volume adjustment solves problem traditionally associated with analog potentiometers, such as volume imbalance between the left...

I have the HD800 (the older one, not the s) and FH7. Small world. The M15/FH7 pairing works quite well, with no impedance issues on the balanced port that I can hear. The flat frequency response with great bass extension but no bass boost that I liked so much in the FH7 remains. The HD800 as...

I also found Bluetooth and especially Wi-Fi on the X7 Mark II to be quite poor. The radios in the M15 are more in line with what you would expect from any current device. I'm not sure if you have ever waited to upgrade a computer, then been pleasantly surprised with all of the improvements...

Jim, The Bluetooth implementation on the M15 does look to be better, 5.0 up from 4.2 and support for LDAC and Aptx HD. However, with my Bluetooth headsets I could not tell a difference between AptX on the X7 Mark II and AptX HD on the M15. I could not try LDAC. It's important to note that...

Jim, I have the M15 and X7 Mark II. First notes, then listening impressions: DACs: Fiio switched from ESS to AKM between these two players. ESS vs. AKM are fighting words on these forums, but it is worth noting a few points: ESS announced the ES9028PRO (in the X7 Mark II) in early 2016, as a...

FIIO themselves must have planned to ship glass for the front - it is on their M15 page (scroll down). Cool case too :confused:

Several M15 reviews make the natural comparison to the A&K SP2000, and find the M15 to be a bit bass-heavy. You noted the default filter option on the M15 is short delay, sharp roll-off which in the table is listed as enhancing bass. I wonder how much of the reviewer's percieved discrepancy in...

I also received my M15 yesterday and initial impressions are quite positive. Although expensive, the M15 represents great value for money. After a day's use there are inevitable questions, though - Fiio, if you are listening, could you clarify a few points? For lowpass filter settings, what...

From the Head-Fi thread on the new Astell & Kern SP1000: " Unfortunately, no TIDAL offline. We cannot offer TIDAL offline mode due to contractual agreements TIDAL has with the record labels. Offline mode is only available on TIDAL's native apps in the Google Play Store and Apple App Store...

Benbun, I'm using a DP-S1 with a Mojo and it works great but setup was less than intuitive. Step 1: connect and power up the Mojo (via USB, since the DP-S1 does not have optical output) Step 2: power up or power cycle the DP-S1 (otherwise the DP-S1 will not recognize the Mojo) From the play...

From Tassie Devil: "Someone please tell me how you get random play/shuffle on the 30R. Stuffed if I can see it as an option anywhere." This is for the DP-S1; hoping the software is the same on the 30R. For shuffle, from the play screen hit the 3 dots (in red circle below): then you will...

  Angelom, I initially had a constant high-pitched sound which was related to a USB charger but have had no such issue since replacing the charger or when running on batteries.  If not resolved, that buzz although fairly quiet would have driven me to distraction and turned me off to the...

A few days ago bmichels wrote about the great SQ that he was getting from a set of triple-flange tips with a wide 4mm diameter and spacer.  I tried the same and unfortunately a bend in one ear canal meant that the soft triple-flange tip was pinched off at the end.  So, it was time to roll my...

  bmichels, the most common triple flange tips are those with a 2mm internal diameter which Shure includes. These work great with Etymotics because the stalk on the headphone is as long as the tip, but the shorter stalk on Shure headphones mean that triple flanges get pinched off at the end...

    Toslink from the AK to the KSE1500 is not an option since the KSE1500 does not support Toslink input, but the DAC in the AK120II is decent so line out is a very reasonable way to go.   If you want to experiment further, the Chord Mojo is a remarkable sounding DAC and would let you run...

  Subhakar, I had run into this as well.  It seems that the index that is used for Android File Transfer is rebuilt every time that the DP-X1 is turned on.  Over time after a DP-X1 power-up, you will see that more and more content will show up in AFT.  If you wait an hour or so after powering...