The TRN Black Pearl pairs dual Cirrus Logic CS43131 DAC chips with a CB5100 USB bridge, offering 384kHz/32-bit PCM and DSD256 support plus 4.4mm balanced and 3.5mm single‑ended outputs. Measurements show very low THD+N (~-110dB), 132.7dB dynamic range, and low output impedance (0.12Ω balanced), delivering transparent, detailed sound; however, app/firmware EQ bugs and historical Cirrus DRE-related distortion reports remain caveats to consider.
For listeners wanting transparent portable DAC performance with balanced output and on‑device PEQ; avoid if you need rock‑solid EQ app reliability or have extremely hiss‑sensitive IEMs.
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