Sub connection optoins - BlueSound node LFE or DAC L+R RCA?

[Rotor]

I have a new sub coming and would like people's opinion on how best to connect it.

I have the following setup:
Bluesound Node --> Coax Digital Connection --> Topping E50 DAC --> Balanced connection --> to Audiophonics AMP

I have the option of taking the RCA LFE output from the Bluesound node for the subwoofer connection, or the L+R RCA output from the Topping DAC (the DAC has both RCA and balanced outputs).

The Node gives me the option to high-pass the main speakers, but then I would be using the DAC in the Node for the LFE output.
If I take advantage of the E50 DAC, then I would use the L+R RCA connections and feed this to the sub. This way I get a better DAC, but no high-pass option for the main speakers.

The sub has it's own DSP and room correction capabilities.

I would be interested to hear people's thoughts on the two options. Or is there another approach I should look at?

 

[staticV3]

You cannot hear the difference in the sub's sound when fed from the Node or the E50.

You likely can hear the difference between full range mains and high-passed mains.

 

[Joaquinín]

Notice the Node doesn't high-pass the coaxial output. The Node only applies the high-pass and low-pass filters to its analog outputs (rca and subw). Wiim Ultra Streamer has the edge there: It does filter the high-pass filter to the coaxial output as well.

 

[Rotor]

Notice the Node doesn't high-pass the coaxial output. The Node only applies the high-pass and low-pass filters to its analog outputs (rca and subw). Wiim Ultra Streamer has the edge there: It does filter the high-pass filter to the coaxial output as well.

My N130 definitely does. I've tested this with test tones.

Edit: it seems that there is no high-pass filtering on digital outputs when the Node is in 'pass-through' mode, which makes sense.
I don't have it set up that way, and use it as a pre-amp where I do the volume control. In this configuration I am definitely getting tone controls and high-pass filtering when the subwoofer setting is enabled.