Pro 01A AUX to XLR 3Pin Noise Isolation Direct Box with Volume Controller and Grounding Switch Build-in Nylon Braided Cord Length 3.5ft Quality Durable 3.5mm AUX Plug (Pro 01A AUX-XLR)

You'll want something like this, plus an xlr cable. And set your iPad sound to mono. https://www.amazon.com/SIUNIMAS-01A-Isolation-Controller-Grounding/dp/B0G5P88NHW/ref=mp_s_a_1_6?adgrpid=191539912555&dib=eyJ2IjoiMSJ9.OCkpV-qiyYhD4kQUqbjtJbYtoV_GlnBRHPdOf9jtoj3PX2DNgD5XjqJepk2qR-m9JgnfupILZM3glXDrvN4jWZNZEXLHrpYx0XF_KqSscSD8Ez0AyvcBcNGvPuyOS70wbtz1Ey7JcAoyLdTS69_fvSYLLI1GIXweRzsYa6WbQRDQXuDiCkKCPS4_MDvsYoWvis0GYiVsaE3sav-a2fLdjg.7IOWuExUFraNfKcmd2-mPBuoFszctrC2OQCUoG0mAk0&dib_tag=se&hvadid=790218507779&hvdev=m&hvexpln=68&hvlocphy=9007715&hvnetw=g&hvocijid=877959498327294837--&hvqmt=e&hvrand=877959498327294837&hvtargid=kwd-872258204610&hydadcr=13461_13397754&keywords=1%2F8+to+xlr+direct+box&mcid=fe1ca25b06c73631aff50dfa766330cf&qid=1781045097&sr=8-6