iBasso

From iBasso
The DX220 Reference Portable Digital Audio Player from iBasso features multiple chipsets and a removable AMP card to help provide you with clear, high-resolution audio playback when on the go. Chipsets include two ES9028PRO chips, each with eight built-in DACs, delivering eight DACs in parallel for each channel. The DX220 also doubles as a hi-end USB DAC for use with your computer, featuring an XMOS XU208 chip, five femtosecond oscillators, PCM support up to 32-bit/384 kHz, and native DSD up to DSD512.

For additional performance enhancement and customization, iBasso provides the AMP1 MKII amp card and the ability to swap it out for other (optional) amp cards if desired. The DX220 is backward- and forward-compatible with all DX-series amp cards. All of this high-end audio technology is run by an octa-core CPU with 4GB of LPDDR3 RAM.

Interfacing with the DX220 is done via the 5" 1080p HD touch display, and Android 8.1 + Linux-based Mango OS. A new UI has been created to provide a professional look while still being easy to understand and use. For app and music storage, you can use the DX220's 64GB of built-in memory, which can be expanded via a microSD card by up to 2TB in size.

Graphical & Parametric EQs
The DX220 features a 10-band graphical EQ, as well as a parametric EQ (PEQ), which provides a total of 8 different filters in 6 segments. Each filter can be customized and the PEQ has a detailed visual adjustment feature.

MQA Support
MQA, or Master Quality Authenticated, is an audio file format that can capture 100% of an original studio performance. It then makes the file size small enough to stream. With support for MQA technology, the DX220 can playback these files, and at 4 times the resolution of the streamed audio, which lets you enjoy the sound of the master recording.

Wireless Connectivity
Wirelessly connect the DX220 to your network via dual-band Wi-Fi 5 (802.11ac) built in, and stream your favorite music wirelessly to Bluetooth 5-compatible mobile devices and speakers.

Additional Features

• 2.5D curved Corning glass panel
• Nano anti-fingerprint coating on the display
• 95% sRGB color gamut
• 87% screen ratio
• Hi-res 445 ppi display
• 480 cd/m² screen brightness All-metal CNC back cover with an antenna outside of the case to help eliminate interference
• Two-way Bluetooth 5.0 support
• Native support for LDAC and aptX
• Three-step gain settings (high, medium, and low)
• 4400mAh battery with up to 9 hours of playback
• Compatible with Quick Charge 3.0, Power Delivery 2.0, and MTK PE Plus
  

General

• OS: Android
• DAC: Dual ES9028Pro
• Output Ports: 2.5BAL, 3.5PO, 3.5LO, SPDIF
• Screen: Sharp 5.0 inch 1080P Full Screen 455ppi + Gorilla Glass + Nano-hydrophobic
• CPU: Octa Core
• USB-DAC: XMOS
• Audio Formats Supported: MQA, APE, FLAC,WAV, WMA, AAC, ALAC, AIFF, OGG, MP3, DFF, DSF, DXD
• Bluetooth: V5 Support LDAC, aptX
• USB Port: USB Type-C (Both data transfer and charging)
• WiFi: 802.11 b/g/n/ac (2.4Ghz/5Ghz)
• Memory: 4GB RAM, 64GB ROM, 1 microSD(TF) slot
• Dimensions: 126mm x 70.5mm x 18.7mm
• Weight: 240g

2.5mm Balanced Output

• Output Voltage: 6.2Vrms
• Frequency Response: 10Hz-45kHz -0.3dB
• Signal to Noise Ratio: 125dB
• Crosstalk: -125dB
• THD+N: <0.00018% (no Load, 3Vrms), 0.0002% (32Ω Load, 3Vrms)
• Crosstalk: -119dB

3.5mm Single-Ended Output

• Output Voltage 3.1Vrms
• Frequency Response: 10Hz - 45KHz -0.3dB
• Signal to Noise Ratio：123dB
• THD+N: < 0.00031% (no Load, 1.8Vrms), 0.00035% (32Ω Load, 1.8Vrms)
• Crosstalk: -117dB

Line Out

• Output Voltage: 3Vrms
• Frequency Response: 10Hz - 45KHz -0.3dB
• Signal to Noise Ratio: 122dB
• THD+N: < 0.00035% (no Load, 1.8Vrms)
• Crosstalk: -116dB-112dB

Power

• Battery: 4400mAh 3.8V Li-Polymer
• Quick Charge Protocols: QC3.0 / PD2.0 / MTK PE Plus
• Average Play Time: 8 hours (Playtime varies with different resolutions, AMP cards and headphone/IEM loads)

iBasso DX220 Reference Portable Digital Audio Player
USB Type-C Cable
Burn-In Cable
Coaxial Cable
Leather Case
Screen Protectors
Limited 1-Year Warranty

Use this adapter to connect a 2.5mm terminated cable to a 4.4mm source/DAP. The CA02 is constructed of high quality materials, which insures the best possible signal transmission for your music.

From iBasso
The AMP8 is a discrete balanced 4.4mm amplifier card for the DX220 DAP. It features:

• +/-8V high voltage swing. This significantly improves dynamics and headroom, resulting in a more accurate sound that is true to the recording.
• AMP8 is a completely new circuit design that is dedicated to the DX150/DX200 and features both a high voltage and current output. High current output is very useful for low impedance multi-drivers in ear monitors.
• Low VCE transistors are utilized and are manually sorted and paired, providing better consistency and linearity. The low VCE also expands the linearity range.
• The transistors used on the buffer stage have a 2700mAh output current rating, which allows the AMP8 to drive IEMs and headphones that require high current with ease.
• A Pentaconn 4.4.mm balanced output port is used. The large double contact area of this socket contact lowers resistance and allows better current transmission.

AMP8 Discrete Balanced Amplifier Card

When using opamps to develop an amplifier, it is almost impossible to achieve high voltage output and high current output, especially, on a portable device. Some engineers have used the TPA6120 on the buffer stage to achieve 750mA output current. However, it has 10ohm output impedance, which isn’t ideal for low impedance IEMs or headphones. So, we decided to use discrete components which are usually on desktop amplifiers to develop the AMP8 but the development process is much more difficult when using discrete components. After a long development period and with our final design, we present the AMP8 card that has both high voltage and high current output and at the same time maintains low output impedance with extremely good measurements. AMP8 compliments the premium performance of the DX150 and the DX200, giving you even more choices when playing the music you enjoy.

Output Voltage: 6.2Vrms

Frequency Response: 15Hz-45kHz +/-0.3dB

Signal to Noise Ratio: 125dB

THD+N: 0.00023%, -113dB (no load @2.5Vrms), 0.00023%, -113dB (300ohm @2.5Vrms)
Output Impedance: 0.38ohm
DNR: 125dB
Crosstalk: -120dB
Average Play Time: 7 hours (play time varies with different sample/bit rates, volume and headphone/IEM loads)

• iBasso AMP8 Discrete 4.4mm Balanced Amplifier Card
• Warranty Card

From iBasso
The DC01 supports up to 32bit/384kHz PCM decoding and up to 256x Native DSD decoding, with a THD+N below 0.001% and providing high power output of up to 113mW @32ohm. With this you are more fully able to make full use of quality of your valuable music. Wonderful HiFi music starts from the heart of the music source.

The AK4493 is a desktop level stereo DAC chip, featuring AKM’s Velvet Sound technology. The signal-to-noise ratio has been improved when compared to the previous AK4490. It can be found in new generation desktop DACs and is widely used in high end portable audio players. With extensive work we have implemented the AK4493 into the compact DC01 DAC cable adapter.

True Balanced Headphone Amplifier

iBasso introduces the concept of balanced audio in professional audio, into this portable DAC cable adapter. It uses a true balanced circuit with dual ultra-low distortion LDOs to create a true balanced amplifier, which provides high output power with improved dynamics and resolution.

From Smartphone to Computer: UAC2.0 USB Soundcard

The DC01 uses a USB-C connector and utilizes the standard UAC2.0 USB receiver. It is compatible with most Android Smartphones and tablets on the market. It can also be connected to the Mac and Windows computers via the high-quality supplied C to A converter. This allows it to work as a USB Soundcard. With the DC01 using the standard UAC2.0 sound card chipset, Mac and Win10 computers are plug-and-play. For WinXP, Win7, and Win8 systems, please download the driver from iBasso's website. Once properly installed, it can be used as a USB soundcard.

DA01 Achieves 64-Step Hardware Volume with a Dedicated App

Windows 10 and Android 5.0 and above support the UAC2.0 protocol by default. However, for compatibility reasons, Android Smartphone manufacturers still use SRC on audio output. When DC01 is connected, the maximum volume is achieved by default, the software algorithm of the device is used to reduce the volume. The software algorithm can reduce the volume but cannot reduce the noise floor. Therefore, iBasso developed a UAC2.0 volume controller app to achieve 64-step hardware volume control, effectively reducing the noise floor while achieving a better audio performance.

Operating Instructions

The DC01 can be 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 DC01 uses a standard UAC 2.0 sound card chipset for plug-and-play on Mac and Win10 computers. For WinXP, Win7, and Win8 systems, please download the driver from the iBasso website. Once properly installed, it can be used as a USB sound card.

There is no built-in battery so the DC01 receives its power through the USB interface from the master device. The actual power consumption is related to the operation and the device system. Because DC01 has an audiophile DAC chip it is normal for the DC01 to get warm during use. *So far, we found that the DC01 has compatibility issues with the Samsung S9 and S10 smartphones. It works flawlessly with other Android smartphones. *The DC01 can be used without the UAC volume control app. With the iBasso app, you can use their 64-step hardware volume control.

Main Features

• New generation AKM4493 Premium 32-bit Stereo DAC
• VELVET SOUND™ technology
• Support of PCM up to 32bit/384kHz
• True balanced amplifier with 2.5mm balanced output port
• Works as a USB-DAC for Android smartphones and tablets, Mac, Windows, and Linux computers
• USB-C connector for better compatibility with Android smartphones and tablets
• Dual ultra-low noise LDOs to ensure a high-performance audio
• 8-wire braided audiophile cable

DAC CHIPSET	AK4493
THD+N	<0.001%(32ohm Load, 1.2Vrms)
OUTPUT VOLTAGE	1.9V(32ohm Load)
OUTPUT POWER	113mW@32ohm
FREQUENCY RESPONSE	20Hz-40kHz±5dB
PCM	Up To 32bit/384kHz
DSD	Native DSD Up To 256x
WEIGHT	11g
LENGTH	120mm

• iBasso DC01 2.5mm Balanced DAC Cable Adapter
• USB-C to USB-A converter
• User Manual
• Warranty Card