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iBasso DC04PRO Portable USB DAC/Amp


SKU del producto: DC04PRO-Blue


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Detalles del producto de la marca

(Specifications and appearance of this product are subject to change without notice)
↓ Details provided by iBasso

Well Selected and Implemented Parts Result In Excellent Performance In All Aspects

The DC04PRO combines many well-selected parts and advanced technologies, such as dual CS43131 flagship DACs, dual RT6863 high current output OPAMPs, synchronous DC-DC converter, ultra-low noise LDO, FPGA, KDS femtosecond oscillator, multi-functional APP, Pentaconn 4.4mm balanced socket, CNC aluminum case, and tempered glass panels. All of these forged into a USB DAC & AMP with excellent sound quality, high output power, high current output, dual output interfaces, interchangeable cables, excellent power consumption control, and outstanding specs. The strength of the DC04PRO is a full sound that is musically rewarding and its ease of use.

iBasso DC04PRO Portable USB DAC/Amp Overview

Dual Cirrus Logic CS43131: Ultra-low Noise LDO Ensure Power Purity

The Cirrus Logic flagship DAC CS43131 with Master HiFITTM technology provides outstanding performance and excellent sound. With the ultra-low noise LDO that has a 100dB Power Supply Rejection Ratio to ensure the power purity for the DAC chips, results in an amazing sound quality with a superb black background for the DC04Pro.

iBasso DC04PRO Portable USB DAC/Amp Dual Cirrus Logic

Synchronous DC-DC Converter & Ultra-low Noise LDO: Unprecedented Power Supply For A Dongle

The quality of the power supply directly affects the sound quality in no small way. DC04PRO utilizes a synchronous DC-DC converter and low-noise high-speed LDO, ensuring sufficient high-purity power for the dongle, bringing a dynamic and powerful sound to your music.

iBasso DC04PRO Portable USB DAC/Amp DC/DC Converter

RT6863 Dual OPAMP x2, A True Balanced AMP 10V Voltage Swing

DC04PRO utilizes dual RT6863 chips, creating a 4-way fully balanced amp featuring ultra-low distortion. With an output current of up to 100mA and working at a 10V voltage swing, the DC04PRO output reaches 280mW@32Q. With the well-designed analog circuit, the DC04PRO renders your sound full-bodied with emotional impact. You can say goodbye to the often thin and cold digital sound of smartphones.

iBasso DC04PRO Portable USB DAC/Amp RT6863

FPGA + KDS Femtosecond Oscillator

We have used our in-house developed FPGA algorithm and for the first time it is used in a dongle. Together with the KDS femtosecond oscillator, the jitter is well-controlled, and sound reproduction becomes more distortion-free, enhancing the sound quality.

iBasso DC04PRO Portable USB DAC/Amp FPGA

Once Again, The Ceiling Of Measurements Have Been Raised

Measurements are not the only standard to verify the quality of sound, but they are enough to tell the quality of product materials and the implementation of the product design. The DC04PRO once again, raises the ceiling of the AP measurements.

iBasso DC04PRO Portable USB DAC/Amp AP Measurements

Lower Power Consumption: Less Burden To The Master Device Audio

DC04PRO consumes less power and provides a power saving mode option. When using normal mode balanced output, the power consumption is 650mW; the single-ended output will turn off the unused half of the AMP, lowering the power consumption to only 550mW. When the power saving mode is on, it turns off and bypasses the AMP section, with output directly from the DAC's internal AMP. In this mode, the power consumption is as low as 410mW. Compared with the power consumption of similar dongles, which can be as high as 700 to 800mW, the power consumption and heat generation of DC04PRO are lower, enhancing long-term listening.

iBasso DC04PRO Portable USB DAC/Amp Lower Power Consumption

New Companion App With Practical Features Is In Place

iBasso UAC APP has been fully upgraded to work with the DC04PRO.

iBasso DC04PRO Portable USB DAC/Amp Companion App

CNC Aluminum Case With Tempered Glass Panels

The DC04PRO case is made using CNC to precisely manufacture the high-grade aluminum alloy. The open volume control structure requires complex steps during machining, which is both visually appealing and fits with required function. Using tempered glass panels, the DC04PRO is both esthetically appealing while conveying the quality of build. Grey and Blue colors are available to meet individual preferences.

iBasso DC04PRO Portable USB DAC/Amp CNC Aluminum Case

Detachable Cable Meeting A Wide Range Of Cables Used

Standard for the DC04PRO is a detachable cable design with a USB-C to USB-C cable with a USB A adapter, allowing it to be used with most Android devices. When using a USB-C to lightning cable (bought separately) with the DC04PRO, you can use it with APPLE devices.
*The bottom cable in the picture is the CB18, it is not included in the package. The CB18 and USB-C to lightning cable and needs to be purchased separately.

4.4mm BAL + 3.5mm SE Dual Output Interface

iBasso DC04PRO Portable USB DAC/Amp Outputs

Multi-color Indicator: Visually Display The Play Mode

  • Red: Standby
  • Blue: DSD
  • Green: PCM
iBasso DC04PRO Portable USB DAC/Amp LED Indicators

Operation Instructions

The DC04PRO is plug-and-play on Android Smartphones and tablets with Android 5.1 and above without installing drivers or third-party APPS (due to the Android device's system or hardware limitation, there may be a low compatibility issue with some smartphones or tablets). On some Android devices, it may be necessary to manually turn on the OTG function in the system settings.
The DC04PROis plug-and-play on Mac and Win10 computers. For WinXP, Win7, and Win8 systems, please download the driver from our website www.Basso.comunder Downloads. Once properly installed, the DC04PRO can be used as a USB sound card.
iPhone's volume control is only 16 steps. DC04PRO can achieve 100 steps of adjustment with the volume button. Therefore, using the DCO4PRO with an iPhone, will achieve finer volume adjustments.


  • DC04PRO
  • USB-C to C cable
  • USB C to A adapter
  • User manual


4.4mm BAL Output

  • THD+N: 0.00013% (300ohm load)
  • Output Level: 3.0Vrms (32ohm load), 4.0Vrms (300ohm load)
  • S/N: 131dBA
  • Dynamic Range: 128dBA
  • Frequency Response: 20Hz-40kHz ±0.5dB
  • Output Impedance: <0.4ohm

3.5mm SE Output

  • THD+N: 0.00018% (300ohm load)
  • Output Level: 2.0Vrms (32ohm load), 2.0Vrms (300ohm load)
  • S/N: 127dBA
  • Dynamic Range: 126dBA
  • Frequency Response: 20Hz-40kHz ±0.5dB
  • Output Impedance: <0.2ohm


  • DAC Chipset: Dual Cirrus Logic CS43131
  • PCM: Up to 32bit/384kHz
  • DSD: Native DSD up to 256x
  • Size: 59mm*23.4mm*12.1mm
  • Weight: 21g

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