And most "cheap" attentuator will only degrade sound quality, like the Shure one... it does help eliminate background hiss, but I would rather use without it.
well i havent recieved my TPFs yet, and i just realized they include an attenuator in the package lol....didnt know that before which was why i was asking.
The only time I use an attenuator is when I have to plug my IEMs into an airplane's audio system to watch a movie. Without the attenuator, it would be ear burstingly loud.
I use an impedance adaptor for other reasons, but the moderately loud hiss on my 30GB9 PO <direct to> my IEM which is slightly less sensitive than yours only bothers me on quiet passages and sonatas.
I find resistors or attenuators to be mandatory with sensitive iems.
My sf3's sounded thin and dull with any of my players, but when I added 50ohm resistors it cured them of all hiss and bass rolloff. Now they sound like they were intended. (all unamped of course)
I don't know how the triple driver models sound, but for my single drivers, extra resistance is a must.
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