I have a mixer YAMAHA MG124cx and an in ear monitor SENNHEISER IE 40 pro.
There are diffent impedances beetwen mixer phone out (100 Ω) and HP4 (10 kΩ) and HP4 (10 kΩ) and SENNHEISER IE 40 pro (20 Ω)
Is it possible without danger for gear to use HP4 with my mixer and my ie ear monitor?