Obscure Chinese DAPs
Jul 18, 2021 at 8:35 AM Post #7,501 of 8,143
Is it possible to switch opamp in Acmee mf02?
Anyone able to compare mf01 and mf02 regarding sound?
 
Jul 21, 2021 at 12:51 PM Post #7,504 of 8,143
I do not learn.
I bought the Zishan Z4.
I expect a flat response, a low output impedance and not to alter the frequency response of headphones with BA drivers.
Do you think I'm deluded, can Zishan improve on these basics?
If not, it will be another disappointment.
 
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Jul 21, 2021 at 3:52 PM Post #7,505 of 8,143
Ok so recently I also got my Zishan Z4
Review will be available when I'm free
I'm very interested in buying the Zishan Z4 as a new daily driver, but it would be my first Zishan purchase and I have concerns about getting used to the UI as I come from the Shanling M0 and its touch screen controls I've been using for 3 years now (M0 would probably be kept for listening on the go while the Z4 might be used when I'm in a more quiet environment), so I'm looking forward to the review! Thank you for your efforts!
 
Jul 21, 2021 at 7:19 PM Post #7,506 of 8,143
F.Audio XS04: https://www.linsoul.com/products/f-audio-xs04 Just released. $169.99 list.

1626909238170.png

Same form factor as its predecessors. Dual ES9038Q2M+7 OPA1642AIDR+4 OPA561PWP Chip.
Hi/lo gain switch. 2.5. 3.5 & 4.4 balanced connectors! Don't know if the amp is class A or what. Does anyone have knowledge about this? Looks good so far ...
 
Jul 22, 2021 at 6:10 PM Post #7,507 of 8,143
F.Audio XS04 UPDATE: This item appears to have been simultaneously withdrawn from sale by both Linsoul & Ali (DD-Audio Store) This may have to do with this red-letter warning:

"NOTE:

1.Please don’t insert 3.5mm single end jack into HM3.5mm balanced port

2.When using low impedance (lower than 32ohm) earphone in high gain mode, please adjust the volume lower than 80"

Frying electronics and ruining IEMs would not be a good combo. Not looking good anymore. Oh well. Perhaps it will be re-worked. The 3.5 balanced connector is pretty much obsolete at this point anyway, so maybe they will just drop it.
 
Jul 24, 2021 at 8:55 AM Post #7,508 of 8,143
My Z4 arrived, which is about 1/3 of the price for MF02s, but using 2 x ES9038Q2M ( instead one for MF02s ). Surprisingly, their size are pretty much the same. First look of Z4 is nice, although the buttons are a bit hard, but I can find its build quality is improving ( compared to my last Z3 I owned ). Besides, Z4 has a balanced sound signature different from Z3 which vocals is warmer and thicker.

PXL_20210724_111019657.jpg


Z4 offers 2.5/3.5/4.4
PXL_20210724_110753124.jpg


Remember to turn on the Balance function ( in the DAC Setting ) before you can use 2.5/4.4 :sweat_smile:
PXL_20210724_110914906.jpg


Z4's interface, its control is still inhuman like Z3, but once you figuring out the tricks it's not that hard indeed.
By the way, the BT Mode means it can be used as BT receiver only.
PXL_20210724_110207513.jpg


PXL_20210724_110524087.jpg


My first impression of Z4 (compared to MF02s) :
- Balanced sounds like MF02s, a little warm, but less warm as MF02s,
- Vocals is brighter, more airy, sound-stage is wider,
- Highs is more emphasized, bass is stronger,
- It seems all so good for Z4 at first, but MF02s still performs better with more refined and smooth sounds.
- Overall the Z4 is a huge upgrade from my Z3 (4493),
- It's simply a "all-you-can-eat" player, that can fulfill all your needs :beyersmile:
 
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Jul 24, 2021 at 11:39 AM Post #7,509 of 8,143
F.Audio XS04: https://www.linsoul.com/products/f-audio-xs04 Just released. $169.99 list.

1626909238170.png
Same form factor as its predecessors. Dual ES9038Q2M+7 OPA1642AIDR+4 OPA561PWP Chip.
Hi/lo gain switch. 2.5. 3.5 & 4.4 balanced connectors! Don't know if the amp is class A or what. Does anyone have knowledge about this? Looks good so far ...
So damn expensive as compare to hkd :0
 
Jul 26, 2021 at 4:10 PM Post #7,510 of 8,143
My Z4 arrived, which is about 1/3 of the price for MF02s, but using 2 x ES9038Q2M ( instead one for MF02s ). Surprisingly, their size are pretty much the same. First look of Z4 is nice, although the buttons are a bit hard, but I can find its build quality is improving ( compared to my last Z3 I owned ).

PXL_20210724_111019657.jpg

Z4 offers 2.5/3.5/4.4
PXL_20210724_110753124.jpg

Remember to turn on the Balance function ( in the DAC Setting ) before you can use 2.5/4.4 :sweat_smile:
PXL_20210724_110914906.jpg

Z4's interface, its control is still inhuman like Z3, but once you figuring out the tricks it's not that hard indeed.
By the way, the BT Mode means it can be used as BT receiver only.
PXL_20210724_110207513.jpg

PXL_20210724_110524087.jpg

My first impression of Z4 (compared to MF02s) :
- Balanced sounds like MF02s, a little warm, but less warm as MF02s,
- Vocals is brighter, more airy, sound-stage is wider,
- Highs is more emphasized, bass is stronger,
- It seems all so good for Z4 at first, but MF02s still performs better with more refined and smooth sounds.
- Overall the Z4 is a huge upgrade from my Z3 (4493),
- It's simply a "all-you-can-eat" player, that can fulfill all your needs :beyersmile:
Does it work as usb transport? Can you plug in an usb dongle like e1da 9038s into it?
 
Jul 28, 2021 at 7:30 AM Post #7,513 of 8,143
Just received the mfo2s quick impressions very good sq with excellent build quality and nice screen would be good if album art would be implemented, it has Bluetooth tansmit/receive but not working at the moment but I see a new firmware came out last week so will download it later although I cannot get either my mac or Windows pc to recognise it.
Only briefly had it in my hands.
 
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Jul 28, 2021 at 1:56 PM Post #7,515 of 8,143
I do not learn.
I bought the Zishan Z4.
I expect a flat response, a low output impedance and not to alter the frequency response of headphones with BA drivers.
Do you think I'm deluded, can Zishan improve on these basics?
If not, it will be another disappointment.
this is also my concern since I mostly used hybrid iems
 

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