Upgrades your headphones with these replacement speaker unit for superior listen experience These quality 33ohm speaker is suitable for QC15 QC25 QC35 QC3 AE2 OE2 headphones, providing clear and realistic sound Perfect for music lover and movie enthusiasts, these replacement speaker are for users of different headphones Elevates sound experience and immerses yourself in your favorite content It is easily install and just few step to replace your headphone speaker driver; Elevates your headphones with these replacement speaker unit for improved listen experience