The speaker used in the OnePlus 9R is: Loudspeaker Type: Dual Stereo Speaker Main Speaker Module: Bottom loudspeaker + top earpiece speaker combination Speaker Flex/Module Compatibility: Same design family as OnePlus 8T in many repair markets Common issues: Low sound Crackling audio No ringtone/media sound Water/dust damage If you want, I can also help with: Speaker replacement price Original vs copy speaker identification Speaker flex image Compatible parts number Repair solution for no sound issue