LEAUDIO TRN Black Pearl Portable USB‑C DAC Amp 4.4/3.5mm

The LEAUDIO TRN Black Pearl is a compact portable DAC and headphone amplifier that decodes high-resolution audio with dual CS43131 chips and offers both 3.5mm single‑ended and 4.4mm balanced outputs.

Designed for listeners who want a noticeable step up from phone or laptop audio, this pocketable USB‑C DAC/amp supports PCM up to 384kHz/32‑bit and native DSD256 playback. With dual low‑power CS43131 DACs, multi‑function controls and an 8‑band EQ option via the WALK PLAY app, it’s built to reveal more detail in your tracks while maintaining a small footprint for travel and daily use.

How does the Black Pearl improve portable listening?

The LEAUDIO TRN Black Pearl replaces your device’s internal audio path with dedicated DAC hardware and a headphone amplifier, reducing noise and increasing dynamic range. It is tuned to drive a wide range of headphones, from sensitive IEMs to higher‑impedance over‑ears.

• Dual CS43131 DACs for stereo decoding and lower distortion
• Supports PCM 384kHz/32‑bit and DSD64/128/256 playback
• Measured SNR and DNR values up to ~130dB for cleaner background
• Balanced 4.4mm output provides higher output and improved channel separation

What outputs and power can I expect for my headphones?

The device provides both a 3.5mm single‑ended jack and a 4.4mm balanced jack so you can use standard and balanced headphone cables without adapters. Rated output levels give practical power for most headphones used on the go.

• 4.4mm balanced: typ. 320mW (32Ω) for stronger drive and headroom
• 3.5mm single‑ended: typ. 125mW (32Ω) for common headphones and IEMs
• Low THD+N figures (around -105 to -110dB) for reduced distortion
• Operates at typical USB power range 4.5–5.25V

Which formats and features does it support?

The Black Pearl decodes high‑resolution file formats and offers functions that help customize the sound. It also supports recording passthrough for capturing more audio detail when needed.

• PCM up to 384kHz/32‑bit and native DSD256 playback
• Dual‑chip architecture for consistent channel decoding
• Multi‑function buttons for play/pause and navigation without accessing your device
• 8‑band EQ via WALK PLAY app for tailored sound profiles

How portable and durable is the unit for everyday use?

Compact and lightweight, the Black Pearl is sized to slip into a pocket or small bag alongside a phone or digital player. An indicator LED shows playback status and basic operation at a glance.

• Compact dimensions: 57mm × 23mm × 13mm and about 25g (excluding cable)
• USB‑C Type‑C connector for modern smartphones and laptops
• Indicator colors: blue, green, red to signal operating states
• Simple button layout for one‑handed control while commuting

Who is this for: The LEAUDIO TRN Black Pearl is aimed at mobile audiophiles and everyday listeners who want noticeable sonic improvements without carrying bulky equipment. It fits users who play high‑resolution files, prefer the option of balanced output, and value compact hardware that integrates easily with phones, tablets and computers.