On Amazon at least you can get stuff like this
https://www.amazon.com/dp/B07H7RXV6C/ref=cm_sw_r_cp_apa_i_TgKKDb8Y88P3P
https://www.amazon.com/dp/B07VH4RTNG/ref=cm_sw_r_cp_apa_i_thKKDb4RC4ER8
They are typically more expensive then iem cables, but TBH I think iems benefit more from balanced when you compare it to the 58x because it doesn’t need much power and noise floor isn’t an issue