IBASSO DC03 Headphone Amplifier DAC Adapter USB-C Hi-Res 2x CS43131 32bit 384kHz DSD256

Audio-GD New
The iBasso DC03, successor of the DC02, is largely based on the principle of the DC01, while making a modification to its conversion/amplification stage as well as to its output. As compact and powerful as ever, the DC03 is ideal to accompany a smartphone equipped with a USB-C output but without a 3.5mm jack. It will allow you to enjoy your music in very high quality, wherever you are!

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iBasso DC03

Headphone Amplifier DAC Adapter USB-C Hi-Res 2x CS43131 32bit 384kHz DSD256

iBasso DC03 Adaptateur Amplificateur Casque DAC 2x CS43131 32bit 384kHz DSD256

The iBasso DC03, successor of the DC02, is largely based on the principle of the DC01, while making a modification to its conversion/amplification stage as well as to its output. As compact and powerful as ever, the DC03 is ideal to accompany a smartphone equipped with a USB-C output but without a 3.5mm jack. It will allow you to enjoy your music in very high quality, wherever you are!

Dual DAC CS43131

Based on a pair of Cirrus Logic CS43131 digital-to-analog converters, the iBasso is capable of reading high-resolution files up to 32bit 384kHz PCM and DSD256. These chips also incorporate an amplification stage, providing low noise floor and low impedance for natural sound reproduction.

iBasso DC03 Adaptateur Amplificateur Casque DAC 2x CS43131 32bit 384kHz DSD256

Amplification stage

The DC03 offers an output voltage of 2Vrms at 300Ω and 1.61Vrms at 32Ω. It delivers a power of 80mW at 32Ω, which is more than enough to accompany EMI with ease.

iBasso DC03 Adaptateur Amplificateur Casque DAC 2x CS43131 32bit 384kHz DSD256

From smartphone to computer: USB UAC2.0 sound card function

The DC03 is equipped with a USB-C connector and uses the USB UAC2.0 reception standard. It is compatible with the vast majority of Android smartphones and tablets on the market. It is also capable of connecting to a computer running Mac OS or Windows using the high quality USB-C to USB-A adapter provided. This allows it to work exactly like a sound card, and in an extremely simple way since the system is Plug & Play.

Volume control per application

Windows 10 and Android 5.0 (or higher) support the UAC2.0 protocol by default. However, for compatibility reasons, Android smartphone manufacturers still use the SRC protocol on the audio output. When the DC03 is connected, the volume is set to maximum by default and the device's software algorithm is used to reduce the volume. While this method does reduce the volume, it does not reduce the noise threshold. So iBasso has developed a volume control application using the UAC2.0 protocol to allow hardware 64 step volume control while reducing the noise threshold and providing much better audio performance.

iBasso DC03 Adaptateur Amplificateur Casque DAC 2x CS43131 32bit 384kHz DSD256

Technical characteristics

Specifications
Product typeHeadphone amplifier
DAC
Conversion / amplification chips2x Cirrus Logic CS43131
InputUSB-C
OutputFemale Jack 3.5mm
Noise floor level< 0.9µV
Output voltage2Vrms @ 300Ω
1.61Vrms @ 32Ω
Power80mW @ 32Ω
SNR127dB
 
Data sheet
InputUSB-C
OutputJack 3.5mm
DAC ChipCS43131
Max sampling rateDSD256
Max sampling rate384kHz
ColorSilver
ConnecticMale & Female
Channel2 channels (Stereo)
 
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IBASSO DC03 Headphone Amplifier DAC Adapter USB-C Hi-Res 2x CS43131 32bit 384kHz DSD256
The iBasso DC03, successor of the DC02, is largely based on the principle of the DC01, while making a modification to its conversion/amplification...

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