Ferrum Audio OORheadphone ampfeedsOPPO Digital PM1headphones
Used together in 7 real systems
Not enough data yet
We do not have enough specs on the Ferrum Audio OOR and OPPO Digital PM1 to judge this pairing yet.
What the compatibility check found
Physical Connectivity
Couldn't verifyConnector matching does not apply to this pairing
Headphone Impedance Matching
Couldn't verifyMissing impedance specifications for headphone matching
Add output_impedance for amplifier and impedance for headphones