The TRN Black Pearl pairs dual Cirrus Logic CS43131 DACs and both 3.5mm single-ended and 4.4mm balanced outputs with a USB‑C digital input and user gain switch. Reviewers praise its neutral/transparent tuning, strong bass extension, and surprisingly robust balanced output capable of driving relatively demanding headphones, but note digital‑only I/O, audible hiss in some pairings, and no app PEQ/profile saving.
For mobile and portable-audio users who want neutral tuning with strong balanced power; avoid if you need app EQ, analog inputs, or zero hiss.
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