iBasso DC04Ultra | Portable DAC and Amp

The DC04Ultra Isn't Just an Upgrade From the DC04PRO, it's a Full-Blown 'Ultra-Grade' Reinvention Dual Cirrus Logic CS43198 flagship DACs PCM 32bit/768kHz and DSD512 support Full-featured Android APK and 10-band PEQ Supports 3.5mm microphone call functionality 4.4mm + 3.5mm outputs An Ultra-Grade DAC Dongle With a powerful output of 980mW + 980mW @ 32 ohms, support for 3.5mm microphone calls, and a stainless steel shell, DC04U delivers a comprehensive upgrade in functionality and use experience. In comparison to the DC04PRO, its power consumption is slightly higher by 3.6%, but its effective drive power is increased by 2.5 times.  Peak Driving Ability The DC04U requires no external power supply while continuously delivering a stable output of 980mW + 980mW @ 32 ohms. Driving in-ear monitors? A piece of cake. Powering full-size headphones? Effortless. No external power needed, fully unlocking the potential of various headphones. The DAC dongle is stepping into the era of watt-level output power. Dual CS43198 DACs DC04U features dual CS43198 flagship DAC chips, which creates a four-channel true balanced circuit. It supports PCM 768kHz/DSD512 hardware decoding and uses DRE dynamic enhancement to perfectly eliminate 0dB distortion. DC04U offers clear sound, expansive soundstage, and a naturally pleasing listening experience. FPGA + Femtosecond Oscillator  Exceptional sound quality begins with a precise clock and data reproduction. The DC04U utilizes iBasso's accumulated FGPA audio algorithms, paired with dual femtosecond oscillators. This structure significantly reduces jitter during digital signal transmission. The result is more authentic, clearer sound. A More Vibrant User Experience  The 0.96-inch multi-color display features dynamic visuals, blending a sense of technology with practicality. The three physical buttons on the side provide clear tactile feedback for volume adjustment, filter switching, gain switching, and channel balance. From basic operations to fine-tuning settings, everything can be done with a single button press. Android APK Upgraded With the Android APK, all functions and settings are accessible. Powered by a high-performance DSP chip, it includes 7 preset EQ and 3 customizable EQ options, allowing free adjustments to suit various listening preferences. Through the iBasso UAC APK, you can achieve detailed tuning with a 10-band PEQ. Specifications DAC Chipset: Dual Cirrus Logic CS43198 PCM: Up to 32bit/768kHz DSD: Native DSD 512x Weight: 1.31 oz Dimensions: 2.28" x 0.92" x 0.52 4.4 Balanced Output THD+N: -119dB(0.00011%)@1kHz 300 ohms load Output Voltage 1.5Vrms (Low Gain) 4.2Vrms (Mid Gain) 6.1Vrms (High Gain) Output Power: 980mW + 980mW @32 ohms  Frequency Response: 10Hz-80kHz -0.5dB S/N: 132dB Dynamic Range: 132dB Output Impedance: <0.1 ohms Crosstalk: 148dB 3.5mm Single-Ended Output THD+N: -113dB(0.00022%)@1kHz 300 ohms load Output Voltage 0.76Vrms (Low Gain) 2.1Vrms (Mid Gain) 3.0Vrms (High Gain) Output Power: 280mW + 280mW @32 ohms  Frequency Response: 5Hz-75kHz -0.5dB S/N: 126dB Dynamic Range: 129dB Output Impedance: <0.1 ohms Crosstalk: 136dB In the Box iBasso DC04Ultra USB-C to C cable USB-C to A converter User manual Warranty card