Detailed Specifications Model: TRN Black Pearl DAC chip: Dual CS43131 Bridge chip: CB5100 Input interface: USB-C (Type-C) Output interfaces: 3.5mm single-ended + 4.4mm balanced Supported formats: PCM 32-bit/384kHz; DSD64/128/256 Output Power: 125 mW @ 32 Ω (3.5 mm) / 320 mW @ 32 Ω (4.4 mm) Signal-to-Noise Ratio: ≥130 dB (4.4 mm) / ≥125 dB (3.5 mm) THD+N: ≤ -110 dB (4.4 mm) / ≤ -105 dB (3.5 mm) Additional features: Recording / Call function / EQ (app integration) / Tri-colour indicator light Housing material: All-metal aluminium alloy + tempered glass Dimensions: 57 × 23 × 13 mm Weight: Approx. 25 g (excluding cable) Compatible systems: Android / Windows / Portable media players

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