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iBasso DX220 MAX Transportable DAP - Open Box

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Introducing the DX220 MAX, a totally discrete DAP with fully separated circuitry as well as grounding. With 5 batteries, the DX220 Max is a transportable DAP instead of truly portable. It features the same screen, dual EX9028 Pro DACs, and basic OS as the original DX220 with the remaining circuitry fully redesigned.

Main Features

The digital and analog sections of the DX220MAX are powered separately, with each having an independent charging system. The digital and analog hardware and signal communications, adopt optocouplers and I2C isolators to completely isolate the digital to analog sections from any interference.

The AMP section is powered by a true +/- 8.4V battery pack. No voltage boost is used, which ensures the highest purity and current output. An optimized super class A discrete amp circuit, based on the AMP8 module, which eliminates the switching distortion of transistors, while providing the sound signature of a class A amplifier, that also significantly reduces heat generation, is used.

The MAX has versatile outputs that incorporate a 4.4mm balanced line out, 4.4mm balanced phone out, and a 3.5mm single ended phone out. The voltage output of the 3.5mm single ended is up to 4.4V RMS, and the balanced phone out is up to 8.8V RMS.

Kemet polymer tantalum, Toshin UTSJ, Panasonic, Nichicon Audio Electronic, Amtrans PET film capacitors are used in the MAX. A custom 4-wiper potentiometer that has less than +/-2dB channel tolerance has been selected, and dual SABRE ES9028PRO DAC Chips are incorporated.

Performance

  • Bit for Bit playback with support up to 32bit/384kHz
  • Support of Native DSD up to 512x
  • 5.0" IPS full screen (1080*1920), with On Cell capacitive touch panel
  • Corning glass on the tront screen and rear panel
  • Support of QC3.0, PD2.0, & MTK PE Plus quick charge for digital section
  • XMOS USB receiver with Thesycon USB audio driver, making this an easy to use USB DAC
  • A Total of 5pcs of Femtosecond league oscillators, with 2 of them being Accusilicon ultra low phase noise Femtosecond oscillators
  • 8-core CPU
  • Mini optical output and mini coaxial output
  • 4GB LPDDR3
  • 128G internal memory
  • 5G WiFi and Bluetooth 5.0
  • Support SDXC and SDHC Micro SD cards
  • Three settings of gain control
  • Audio Formats Supported: MQA, APE, FLAC, WAV, WMA, AAC, ALAC, AIFF, OGG, MP3, DFF, DSF and DXD
  • Support for M3U playlists
  • 4400mAh 3.8V Li-Polymer battery for the digital section, and 4pcs 900mAh Li-polymer battery form the +/-8.4V battery pack for the analog section

Press and Reviews

Audio 123 First Look Review
Audio123

by Staff
Jul. 2019

HiFi Go First Look Review
HiFiGo

by Candice Song
Jan. 2020

Headfonics Review
Headfonics

by Marcus
Aug. 2020

Specs

Technical Features

Model
DX220 MAX
Body Material
Stainless Steel
OS
Android 8.1 & Mango OS
DAC
Dual ES9028PRO
Output Ports
4.4mm Line Out, 4.4mm Balanced, 3.5mm Phone, 3.5mm S/PDIF
Screen
5.0 inch 1080P Sharp full screen

Package Includes

  • DX220MAX Player
  • Leather Case
  • Coaxial Cable
  • Balanced Burn-in Cable
  • 4.4mm balanced to 3.5mm Single-ended Cable
  • CA02 2.5mm Balanced to 4.4mm Balanced Adapter
  • 18V AC Adapter
  • USB-C Cable
  • Screen Protector
  • Quick Start Guide
  • Warranty Card
  • one-year limited warranty

Reviews

Q&A

Videos