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Old 23rd May 2016, 05:06 PM   #1
Eldam is offline Eldam  France
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Default New Mini DSP 2x4 HD

Hi,

Does anyone know which dac & acd chips are embeded in this New MiniDSP please ?

https://www.minidsp.com/products/min...minidsp-2x4-hd

It seems great at it is able of 192 K Hz and FIR EQ & a usefull USB digital input which is great !

Is it possible acording to you to use two units for an active 3 way by summing the USB input ??? Is there any Y wire with two mini USB at the output and one USB A for the input ? DIY ?

regards,

Eldam
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Old 23rd May 2016, 05:49 PM   #2
xrk971 is offline xrk971  United States
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I use two 2x4 for a low cost stereo 4 way setup. Costs less than 2x8.

Each one is controlled by its own USB connection. I have only adjusted one at a time. They don't need USB for use - just pogramming. But maybe HD version has USB input?

For the non HD version just program one at a time. Unplug from USB it runs from firmware.
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Old 23rd May 2016, 05:51 PM   #3
xrk971 is offline xrk971  United States
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Quote:
Originally Posted by xrk971 View Post
I use two 2x4 for a low cost stereo 4 way setup. Costs less than 2x8.

Each one is controlled by its own USB connection. I have only adjusted one at a time. They don't need USB for use - just pogramming. But maybe HD version has USB input?

For the non HD version just program one at a time. Unplug from USB it runs from firmware.
Ok - this is totally new. USB streaming and Toslink. $205 vs $80 for old one. Probably still doesn't need USB to run normally though.
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Old 23rd May 2016, 05:54 PM   #4
Juhazi is offline Juhazi  Finland
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USB Audio2.0 compatible New Mini DSP 2x4 HD
"The USB is used for:
 Configuration and real-time control of the miniDSP 2x4 HD,
 Streaming audio from a computer or other device such as a music streamer, at up to 192 kHz, and
 Streaming the processed audio (four output channels) from the miniDSP 2x4 HD to the computer."
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Old 23rd May 2016, 07:49 PM   #5
Zvu is offline Zvu  Serbia
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I'd use nanodigi. You add dacs that you like. If you use minidsp 2x4, you are stuck with built-in coverters that may not suit your taste.

Minisharc is the best value imho.
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Old 24th May 2016, 12:13 AM   #6
Eldam is offline Eldam  France
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Quote:
Originally Posted by Zvu View Post
I'd use nanodigi. You add dacs that you like. If you use minidsp 2x4, you are stuck with built-in coverters that may not suit your taste.

Minisharc is the best value imho.
Ahhhh; if you can hear my AYA 2 2014 mooded with IanCanada Front end : just sound fantastic = natural, no lack of détails, dynamic, nervous mid bass !

But I have just one !

I was very braked by the spidf needs of the curent MiniDSP (as their relativ low dac quality embeded)... But this new one seems better and have FIR correction ...

But how to feed 2 units with one USB streamer to go active 3 ways????

Of course I would prefer like you to work in digital domain, but I find still very poor the quality of connectivity with the digital MiniDSP stuffs : poor non 50 ohms plastic plug for digital input... but the recent stacked Minisharck + its upper 8 channel AK dac chip is attracting ! But feeding it is IMHO a little jitter risky ! (a good crossover doesn't resolve a poor dac source !)

Note the better SHarc unit in the nexw 2x4 HD, but I don't know if usefull ??? (I mean in relation to the little weakest of the MiniSharc device)

Maybe I should ask to IanCanada if he could be interrested by a USB doubler stuff with an isolation in the middle (Ti launched new chips for USB isolation!) ?

Last edited by Eldam; 24th May 2016 at 12:16 AM.
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Old 24th May 2016, 12:23 AM   #7
Eldam is offline Eldam  France
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Quote:
Originally Posted by xrk971 View Post
Ok - this is totally new. USB streaming and Toslink. $205 vs $80 for old one. Probably still doesn't need USB to run normally though.
Indeed, TosLink can go higher than RCA SPIDF, 192 Khz instead 96 Khz... But I only work with usb or I2S streamer to avoid more the jitter issues : It changes totally the game : you play in an other world !

So seing this new MiniDSP which can Stream via micro Usb... It can change Something for me, to be able to play more easily without less trade off about digital source quality... Although this new stuff can not be Feeded by a Masterclock with a proper uf-l plug or better screwed link yet (MiniDSP staff if you hear me )

Last edited by Eldam; 24th May 2016 at 12:25 AM.
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Old 24th May 2016, 04:47 AM   #8
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Old 24th May 2016, 05:21 AM   #9
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This new board uses a newer generation SHARC DSP compared to the minisharc.
The chip spec is a bit better.
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Old 24th May 2016, 05:22 AM   #10
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i would also be interested to know if there is a good way to use two boards for a stereo 4-way using USB as the music interface. Not sure how to sync the two boards.
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