[jimbop54]

How do I connect my headphones to the speaker taps on a pair of monoblock amplifiers?

 

[HiGHFLYiN9]

A custom cable or converter box. Which headphones and which monoblocks are you using?

 

[jimbop54]

I can make the cable. I’m asking about the correct wiring.

 

[dotashope]

Kind of an old post but in case if you haven't figure out here you can find all you need. https://robrobinette.com/BalancedCable.htm
I'd suggest get a resistor box from Zynsonix to make sure you wont fry your headphone drivers. https://www.zynsonix.com/Deluxe-Speaker-Amp-to-Headphone-Converter-Box_p_54.html