audio-sound @ hatena

An audio review & news blog. The volume should not exceed 80 dB is recommended. I usually adhere to the safe-listening style by WHO. Please note that my aural impressions and interpretations of measurements are also made from a safe-listening style.

(News) XDUOO DA-100: Bluetooth 5.0 MAX97220 ES9018K2M DAC Headphone Amplifier




The XDUOO DA-100 Bluetooth Desktop DAC/Amplifier is now available.



  • Seamless Bluetooth Support
  • Premium Audio Chipset
  • 1.3 Inch OLED Display
  • Compact Headphone Amplifier
  • Aluminum shell Processed by CNC Technology



  • Inputs:
    • Bluetooth 5.0
    • 1x USB-C
  • Outputs:
    • Speaker terminals
    • 1x Jack 6.35mm headphone output
  • Supported Bluetooth codecs: SBC, AAC, aptX, aptX LL, aptX HD, LDAC
  • Bluetooth range: 10m
  • Amplification chip: TPA3116
  • Headphone amplifier chip: MAX97220
  • DAC chip: ES90181K2M
  • Output power:
    • Speaker output: 2x50W
    • Headphone output: 125mW @ 1kHz, 32Ω
  • THD+N:
    • Speaker output: 0.1%
    • Headphone output: 0.05%
  • Crosstalk:
    • Speaker output: 90dB
    • Headphone output: 75dB
  • SNR:
    • Speaker output: 90dB
    • Headphone output: 110dB
  • Recommended headphone impedance:16~300Ω


Seamless Bluetooth Support

Can be connected to various Bluetooth playback devices, get rid of the shackles of wires, and even Bluetooth can output good sound quality. It provides seamless wireless Bluetooth connectivity with hi-res codec support such as LDAC, AptX HD, AptX LL, and many more.

Premium Audio Chipset

Using TI TPA3116 amplifier chip, excellent sound quality, the maximum output power can reach 50W per channel, easy to drive bookshelf speaker. It also adopts the high-performance ES9018K2M DAC chip and high-fidelity operational amplifier chip MAX97220, which can ensure high S/N and very low distortion with excellent performance parameters. This chipset eliminates noise interference and provides the users with a powerful high-resolution output.



1.3 Inch OLED Display

Using OLED display, the Bluetooth connection status/coding format sampling rate/song name and other information can be displayed intuitively, so that you can know the working status at any time.


Compact Headphone Amplifier

With strong output power, it can easily drive any kind of headphones. Moreover, designed with size(19.6*12.1*4.8cm), it’s easy to carry everywhere for a real-time HiFi music experience.



Aluminum shell Processed by CNC Technology

The shell is made of aluminum alloy, and uses a block of aluminum processed by CNC technology, which has excellent shielding characteristics.


Pricing & Availability

XDUOO DA-100 is $169 and is now available from Linsoul and others.