iBasso DC03 PRO Portable USB DAC Headphone Amp with Dual CS43131 Chips, 32-Bit/384kHz PCM and DSD256 Support, 127dB SNR. It delivers clean power through a 3.5mm output with low noise and precise volume control buttons. Compact and lightweight, this dongle upgrades your audio on phones, PCs, and more.
About iBasso DC03 PRO
You plug the iBasso DC03 PRO into your device and instantly unlock superior sound quality thanks to its dual Cirrus Logic CS43131 DAC chips and KDS femtosecond crystal oscillator. This combination handles audio with exceptional precision and minimal jitter so every note comes through cleanly and accurately. The result is a noticeable upgrade in clarity that makes listening sessions far more enjoyable whether you are on the go or relaxing at home.
The audio performance stands out with a 127dB signal-to-noise ratio, 0.00022 percent THD, output impedance below 0.12 ohm, and noise floor under 900 nV. Frequency response spans 20Hz to 40kHz while output reaches 1.77Vrms at 32 ohms and 2Vrms at 300 ohms to drive headphones effectively. You gain tight control and dynamic range that reveals subtle details in your music without unwanted distortion or hiss.
It decodes high-resolution formats including PCM up to 32-bit/384kHz and native DSD256 through its USB-C input and 3.5mm single-ended headphone jack. Physical volume buttons offer quick hardware adjustments and the companion UAC app provides options for digital filters, multiple gain levels, and left-right balance control. This flexibility lets you tailor the experience precisely to your headphones and personal preferences.
The design keeps everything convenient with a compact aluminum alloy body sized at 49.4mm by 21mm by 8mm and weighing just 10.5g featuring glossy black glass panels. It feels premium yet slips easily into a pocket alongside the included USB-C to C cable and USB-A adapter. Daily portability becomes effortless while maintaining solid build quality for reliable performance.
Specifications
| Parameter | Value |
|---|---|
| DAC Chips | 2x Cirrus Logic CS43131 |
| Frequency Response | 20Hz-40kHz |
| SNR | 127dB |
| THD | 0.00022% |
| Output Impedance | <0.12 ohm |
| Noise Floor | <900 nV |
| Output Power | 98mW @ 32Ω |
| Output Voltage | 1.77Vrms @ 32Ω / 2Vrms @ 300Ω |
| PCM Support | Up to 32-bit/384kHz |
| DSD Support | Native DSD256 |
| Dimensions | 49.4 x 21 x 8 mm |
| Weight | 10.5 g |
| Connectivity | USB-C input, 3.5mm output |
| Volume Control | Physical buttons |
| Price | $69 |
Reviews
Sound feels so much clearer now with my favorite IEMs. The low noise floor really helps sensitive earphones stay quiet between tracks. Volume buttons make quick changes easy during walks.
Music comes alive with better detail and dynamics after plugging this in. High resolution files sound fantastic without any hiss. Compact size means it travels with me everywhere.
Driving power handles my headphones well and the app settings let me fine tune everything. Build feels solid yet super light for daily carry. Overall upgrade from phone audio is impressive.
