[FiiO M23] AK4191EQ+AK4499EX, THX AAA-78+, Dual Type-C Ports, Dual-Core Fast Charging, 1000mW+1000mW @32Ω

Jan 23, 2025 at 7:48 AM Post #571 of 613
Hi,

Fiio have sent me a link to the A12 beta firmware but I have no idea how to install/update the M23 using the files provided.

Can anyone explain how I do this?

Thanks
 
Jan 25, 2025 at 11:54 AM Post #574 of 613
What headphones is everyone using with the M23? Best combination in your opinion?

I go back and forth between my FATFreq Scarlets and my Thieaudio Oracle MKII's. I love both pairings but my favorite is the Scarlets. They hit hard but have great detail with the M23 as well.
 
Jan 25, 2025 at 11:58 AM Post #575 of 613
What headphones is everyone using with the M23? Best combination in your opinion?
I prefer to avoid low sensitivity and/or too high or too low impedance phones. It frees me from the thoughts about combinations.
 
Jan 25, 2025 at 7:32 PM Post #578 of 613
The HD 660s at 150 ohms have been working very well for me in the super high gain desktop mode. I wonder could the M23 drive even more demanding phones around 300 ohms.

Easily at moderate volume.

I have occasionally used my (300 ohm) HD600 from my M11 Plus and it does just fine.

High impedance is easier to drive than low for a given sensitivity because that requires voltage swing while low impedance requires current swing which is generally more demanding of an amplifier.
 
Feb 1, 2025 at 9:26 AM Post #579 of 613
I want to upgrade from my Tempotec V6 DAP and I really like it's musical sound. What should I expect from M23? Some call it neutral-bright, some call it neutral-warm. Thanks in advance!
 
Feb 7, 2025 at 2:35 AM Post #585 of 613
Do you get a notification "Desktop mode ON? Normally I see no drop in battery charge level for hours, also with external DAC connected to other USB port on M23
 

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