All Aurender models use the same 5x20mm 2.0A, 250V, slow-blow fuses from Littelfuse. In some instances, the Aurender uses 2 fuses. Please see the image below for how the AC inlet fuse orientation on Aurender music servers with linear transformers is configured.
Please note, models W20, X100, and ACS100 uses SMPS transformers with fuses that are not user-replaceable.
Two in-circuit fuses:
One in-circuit fuse: