iBasso DC04 Ultra Dongle DAC & Headphone Amplifier

iBasso DC04 Ultra Dongle DAC & Headphone Amplifier

Product code:
DC04 Ultra
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1-year-warranty
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£119

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iBasso DC04 Ultra Dongle DAC & Headphone Amplifier

Features

  • Dual CS43198 flagship DACs
  • FPGA+Femtosecond Crystal Oscillator
  • Stainless steel housing
  • ย 945mW+945mW@320
  • Finely adjustable headphone amplifier voltage
  • Support microphone
  • 4.4mm+3.5mm dual interface

In the Box

  • iBasso DC04U dongle
  • USB-C to USB-C cable
  • USB-C to ASB-A converter
  • User manual

Specifications

General

Spec

Value

DAC Chipset

Dual Cirrus Logic CS43198

PCM

Up to 32bit/768kHz

DSD

Native DSD 512x

Weight

37.2g

Size

58mm ร— 23.5mm ร— 13.1mm

4.4mm Balanced Output

Spec

Value

THD+N

-119dB (0.00011%) @1kHz 300ฮฉ Load

Output Voltage (Low Gain)

1.5Vrms

Output Voltage (Mid Gain)

4.2Vrms

Output Voltage (High Gain)

6.1Vrms

Output Power

980mW+980mW @32ฮฉ

Frequency Response

10Hzโ€“80kHz, -0.5dB

S/N

132dB

Dynamic Range

132dB

Output Impedance

<0.1ฮฉ

Crosstalk

148dB

3.5mm Single-ended Output

Spec

Value

THD+N

-113dB (0.00022%) @1kHz 300ฮฉ Load

Output Voltage (Low Gain)

0.76Vrms

Output Voltage (Mid Gain)

2.1Vrms

Output Voltage (High Gain)

3.0Vrms

Output Power

280mW+280mW @32ฮฉ

Frequency Response

5Hzโ€“75kHz, -0.5dB

S/N

126dB

Dynamic Range

129dB

Output Impedance

<0.1ฮฉ

Crosstalk

136dB

ย 

Description

iBasso DC04 Ultra Dongle DAC



iBasso DC04U โ€“ High-Fidelity USB DAC & Headphone Amplifier with Dual CS43198

The iBasso DC04U is a premium portable USB DAC and headphone amplifier, delivering flagship-level audio performance with exceptional usability. Engineered with dual Cirrus Logic CS43198 DAC chips, this device supports PCM up to 32bit/768kHz and Native DSD512x decoding, ensuring crystal-clear resolution and lifelike detail.



FPGA + Femtosecond Oscillator Designed for Exceptional Sound Quality


Exceptional sound quality begins with a precise clock and data reproduction. The DC04U utilizes iBasso’s accumulated FPGA audio algorithms, paired with dual femtosecond oscillators. This structure significantly reduces jitter during digital signal transmission, ensuring that the entire transmission chain delivers pure audio signals, resulting in a more authentic, clearer, and more natural listening experience.



Designed around a fully balanced 4-channel amplifier architecture

Designed around a fully balanced 4-channel amplifier architecture, the DC04U achieves an output power of 980mW + 980mW @ 32ฮฉ via its 4.4mm balanced output, making it capable of driving demanding headphones with ease. It also features a 3.5mm single-ended output with 280mW + 280mW power, while maintaining ultra-low distortion and a noise floor below 0.1ฮฉ.



The Stainless-steel CNC-machined

The stainless-steel CNC-machined chassis with tempered glass panels offers rugged durability and premium aesthetics. A 0.96-inch multi-colour display provides real-time sample rate and settings feedback, and three physical buttons enable quick access to volume, gain, filter, and other adjustmentsโ€”no app required.



However, with the companion Android UAC app, users gain even deeper control with a 10-band PEQ, 7 preset EQ modes, customizable filters, and precise ยฑ0.1V voltage adjustments. The DC04U also supports SPDIF coaxial output via 3.5mm, microphone input (CTIA protocol), and seamless compatibility with Android, iOS, Windows, macOS, Linux, Switch 2, and PS5 via UAC 1.0/2.0 support.



Combining powerful audio hardware, robust construction, extensive software control, and broad platform compatibility, the iBasso DC04U is a true ultra-grade dongle DAC for audiophiles on the move.



Top Quality Parts, For Top Quality Result

  • Monolithic inductors with ultra-low internal resistance and minimal loss.
  • Rubycon electrolytic capacitor for punching bass and pure sound.
  • In-house developed FPGA algorithms for unified clock and data reproduction.
  • Dual femtosecond oscillators significantly reduce phase noise.
  • CNC stainless steel chassis for an excellent tactile feel


Additional information

Colour

Black, Silver

Warranty

Backed with 1-year of Manufacturer Warranty

Delivery Info

 

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Delivery Information

As a company, our primary goal is to provide a seamless service that results in customer satisfaction. We aim to deliver within 3 working days. Unfortunately, there may be occasions where this time frame may not be met due to unforeseen circumstances; in this instance, we deliver product/s as soon as possible. All delivery charges are included within the prices quoted unless otherwise specified.

All small items are usually delivered between 9 am and 6 pm, Monday to Friday, unless a Saturday delivery is requested. Follow My Parcel is an industry-changing innovation from DPD Local, which will give your customers unparalleled levels of information and peace of mind. Not only will your customers receive a one-hour delivery timeslot, but theyโ€™ll also be able to track the progress of their parcels on a map as our drivers make their way to the delivery addresses. Follow My Parcel will:

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