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I love the Purifi speakers but I am not a fan of class D, and if I went that route I would buy the bare board + PSU and stick it in a case myself and save a ton of money.

Its an idea, I will looking to it but not sure there would be a doubling of power output if they were bridged? I wish Topping would produce something more powerful than an amp that struggles to get 200w because the distortion is going to be high at that power. Something like a B300 would be...

I get it, because they are already bridged - so its like double bridging them. That's going to be a big mess then. So don't try it anyone!!

Good point, perhaps finding the internal ground/0V and common that would be necessary as well.

Is it possible to bridge 2 of these B200 amplifiers together? I need more like 300W to power just one single driver. I plan to swap the polarity on one of the XLR inputs into one of the B200's, then link the two output -ve terminals of both amps together, and then use the +ve terminals of both...

Doesn't work properly. I connect using a set of IFi leads (4.4mm jack to twin XLRs).

Just because they say it can work that way doesn't mean that it does. I have one and never got it to work that way - same problem as the OP. Mine always works balanced all the way through from the player in Pre=>Low mode balanced output via a 4.4mm jack.

It can't convert RCA to balanced that's not how it works. You need balance all the way down the chain from the source player/ streamer to the Pre amp and then onto the main amps. A player may have a balanced 4.4mm jack or XLR's - but if its just phono then you need to stay with that all the way...

I thing the smartphone + DAC is the way I am going. Looking at the Samsung Galaxy 21 with Android 14/ bit perfect output + good DAC

Do DAPs have internal memory you can copy stuff to - i didn't know.

Any recommendation on the best bit-perfect software playback?

OK I will try that - also it does run cooler if not streaming, i.e. just running from the flash card.

And would I be able to MQA files through to the DAC for decoding?

So can i hook up a tablet via USB to a DAC's usb - will that work?

Gets to way too hot when charging at the same time as playing.

I came across the Cayin iDAP-6 which can accept a USB hard drive/ flash card and gives a digital output to a DAC - I wonder if that would work? https://en.cayin.cn/features/7/59/196.html Yes that's the one + it has a swapped DAC board with dual 4497's

Any other DAP players that are main powered with an SD clot that I could connect to the DAC ?

Are there any Raspberry PI's available that are prebuilt/ off the shelve that could do the job? Just not keen to get stuck into some new avenue of tech if I don't have to.

A topic that got thrashed to death elsewhere - can anyone answer the topics question about playing SDcards through a DAC USB port?

I don't like streamers at all because of the sluggish response/ reliability/ drop out/ EMF/ ongoing cost issues, amongst others. At the moment I am using a Cayan N6 with dual 4497 DACs, and running with a flash card micro SD plugged in with all my music loaded on it in folders. Using UApp with...