I specifically purchased a Denafrips stack (Pontus II DAC, Hades Pre-Amp, and Thallo Amp), in part because they are true balanced devices throughout......in fact the Thallo amplifier only accepts XLR inputs.
I am running Morrow Audio MA4 XLR interconnects (right now have a deal for 45% off with code SAVE45)......that comes out to about $181 for a 1 meter pair. For the price certainly worth a look