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How do I connect an Astell & Kern SP2000T to the ERA 300 and get high res sound ?

You need to use a Sonos line-in audio adapter with the Era-300. Maybe start with this link:

https://support.sonos.com/en-us/article/use-line-in-on-sonos

Note that the Sonos products support up-to 24-bit/48kHz HiRes audio

There are two types of adapter available. See here:

Many thanks that’s very helpful. I assume that means it can’t process anything above 48KHz ? I’ll also need to find out which cable(s) are needed.

 

Many thanks that’s very helpful. I assume that means it can’t process anything above 48KHz ? I’ll also need to find out which cable(s) are needed.

Yes, that’s the case and I think a 3.5mm (male) to 3.5mm (male) stereo audio cable will be what you need to connect your players output to the Sonos audio adapter.

That’s really helpful Ken, many thanks indeed.

I probably wouldn’t notice the difference, but you do know that when connecting your player like this the analogue signal is sent from your Astra & Kern to Sonos and is converted to digital again to Sonos’s standards?

converted to digital again to Sonos’s standards?

In other words 16/44.1 Red Book. 

Some would view it as a bit of a shame given that A&K (with a built-in tube amp?!) evidently retails around £2k.

Slightly different question - assuming I’m not going to connect the SP2000T what equipment do you need to get the best from the ERA 300 speaker ? If you input 24 bit 92 KHz it knocked it back down to 49 KHz ? Not that I suppose I would hear the difference.

If you input 24 bit 92 KHz it knocked it back down to 49 KHz ? 

I take it you mean 192kHz and 48kHz. 

Sonos won’t ‘knock’ anything. It will simply refuse to play 192kHz content, and anything else above 48kHz.

Yes, thanks, that’s what I meant. 

Slightly different question - assuming I’m not going to connect the SP2000T what equipment do you need to get the best from the ERA 300 speaker ? If you input 24 bit 92 KHz it knocked it back down to 49 KHz ? Not that I suppose I would hear the difference.

Personally speaking, I would not choose to use the Era-300 line-in and just use the local internet connection (wireless, or perhaps wired using the Sonos network adapter) and stream Amazon Music HD/UltraHD from the Sonos built-in services instead, which will play Atmos and stereo audio tracks up-to 24-bit/48kHz …and there’s plenty of tracks to choose from.

Or, if one’s determined to play one’s own music, convert it in bulk to 24bit 48kHz FLAC and pop it on a network share. 

All my CDs are ripped to FLAC and on a local NAS.

Came in handy when the Century Link installers back-hoe’d the neighborhood’s main Cox Cable box the other night.

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