Balance and profound, two choices

Gray represents moderation and balance, while black indicates mystery and profundity. No matter if your audio equipment or your furniture are in elegant and modern light colors or unique in dark colors, you can find the one that best suits your needs.

It's not just a DAC now

The all-new music streamer mini-i Pro 4 does not only have a rich set of digital inputs with excellent digital audio processing capabilities, but also supports various network streaming protocols. Combined with a self-developed high-quality digital audio/streaming playback system MA Player and the controller app MA Remote App, it easily plays a vast amount of online streaming music, provides you with an exceptional high-fidelity listening experience.

Sound quality is the essential of a DAC

Upgraded to the latest ES9039Q2M D/A chip from ESS, with carefully tuned audio circuits, high-quality audio components, and optimized circuit layout, it has a very high SNR and extremely low distortion, delivering excellent performance to various types of music.

Full balanced amplifier with dual output port

mini-i Pro 4 features two headphone output ports: a 6.35mm single-ended output and a 4.4mm balanced output, providing flexible connection options to accommodate different types of headphones. With a fully balanced amplifier circuit design, mini-i Pro 4 reduces interference in signal transmission and effectively enhances output power and sound quality, driving various high-impedance headphones effortlessly.

Sounds great, easy to use

With a 3.46-inch LCD touch screen, making the operations easier. The high resolution display enriches the metadata of the playing tracks and device status, while the MA Remote App and RM5 remote control provide a convenient human-computer interaction. You can enjoy a diverse selection of music sources and a more enjoyable music listening experience.

MA Player

MA Player is a high-quality digital audio/streaming playback control system developed by 「Matrix Audio」. With MA player, you can operate and control the mini-i Pro 4 through smartphones or tablets within the local area network. In addition, MA Player also integrates Roon Ready、DLNA/UPnP, AirPlay 2, Spotify Connect and TIDAL Connect, allows you to experience high-resolution streaming audio in your network.

MA Remote App

The MA Remote App is self-developed by 「Matrix Audio」 which is available for iPhone, iPad, or Android phones. With these devices, you can browse and play high resolution online audio from TIDAL, Qobuz, and HIGHRESAUDIO, listen to internet radio stations, adjust every hardware settings, check and install new firmware for your mini-i Pro 4.

Sort out your local music, play them effortlessly

The mini-i Pro 4 supports local music playback from USB storage devices and NAS. It indexes the storage and builds a music library based on these storage sources automatically. Music files will be categorized under "Library" in the MA Remote App, allowing you to easily find your desired music based on albums, tracks, artists, genres, composers, performers, ages, labels, etc. Simply browse and play your music collections.

Open the door to the high-res online streaming

mini-i Pro 4 provides a rich selection of online streaming music resources for you. You can login accounts of TIDAL, Qobuz, and HIGHRESAUDIO in MA Remote App, easily browse and play a vast amount of high-quality online streaming music, opening up an endless world of music for you.

Enjoy streaming music right away

mini-i Pro 4 supports various network streaming protocols. In addition to Roon Ready and AirPlay, it also supports DLNA/UPnP, TIDAL Connect, and Spotify Connect. It means you can transmit audio through different devices and platforms. Whether using Roon or wireless streaming through DLNA/UPnP and AirPlay , both you can achieve high-quality audio playback experience.

24×365, enjoy Internet radio programs

mini-i Pro 4 supports Internet radio from vTuner and Radio Paradise. Simply connect the mini-i Pro 4 to the Internet, open the MA Remote App, no matter the pop music, classical music or energetic atmosphere music or talk shows, it can meet your needs and let you fully explore diverse music.

High-quality USB DAC

mini-i Pro 4 features a high-quality USB DAC. It allows you to choose the appropriate USB cable to connect to computers, smartphones or tablets, and supports various audio formats and sampling rate specs up to 768kHz PCM, DSD512 and MQA audio.

Experience TV Hi-Fi

mini-i Pro 4 has added an HDMI ARC input port, which allows the audio signal from the TV or projector to be transmitted to mini-i Pro 4. You can enjoy clearer and more realistic audio while watching videos. The sampling rates are supported up to PCM 24 bit/192kHz. The power on/off, volume and playback linkage between mini-i Pro 4 and the display device can be controlled through CEC, which brings a new TV Hi-Fi experience to you.

Broadly compatible S/PDIF input

mini-i Pro 4 has S/PDIF optical and coaxial input interfaces, which can handle S/PDIF signals within the range of PCM 44.1-192kHz and DSD64 in DoP mode, providing users with a higher-quality audio decoding experience.

Jack of all trades

In addition to digital audio input and streaming audio playback, mini-i Pro 4 also has one set of RCA analog input which offers three input gain levels. It allows you to adjust the input gain based on the front-end device and your preferences. Whether you want to connect traditional analog audio devices or enjoy modern high-res digital music, mini-i Pro 4 will provide you with excellent audio performance and convenient operation.

Gigabit Ethernet and dual-band Wi-Fi

mini-i Pro 4 is equipped with a Gigabit Ethernet and dual-band Wi-Fi connection. The Ethernet connection ensures stability and sufficient transmission speed for audio data. Wi-Fi makes the connection tidy and convenient. Both the wired and wireless connection let the audio files stream to your audio system smoothly and stably. Get ready for a feast of music!

Multiple playback control

The RM5 remote control, specially designed for the mini-i series, combines a sturdy and delicate metal panel with a warm and smooth back cover, providing a better grip and an elegant compact appearance. We redesign the layout and functionality of the buttons. The newly added programmable button allows you to add a shortcut to your frequently used function. Now, control your playback contents easily.


Hardware Platform


Quad Cortex-A55 2.0GHz

D/A Chip


Digital Input


PCM 16-24Bit /44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz

DSD 2.8MHz (DoP)



PCM 16-24Bit /44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz


USB Audio

PCM 16-24Bit /44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz, 

352.8kHz, 384kHz, 705.6kHz, 768kHz

MQA 16-24Bit /44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz, 

352.8kHz, 384kHz MQA or MQA Studio stream

DSD 2.8MHz, 5.6MHz, 11.2MHz (DoP)

DSD 2.8MHz, 5.6MHz, 11.2MHz, 22.4MHz (Native)

Line Output


SNR: 127dB A-weighting

THD+N:<0.00008%@1k, <0.00010%@20Hz-20kHz

Frequency Response: 20Hz-20kHz ±0.1 -3dB@90kHz

Channel Crosstalk: >-146dB

Output Level: 4.4VRMS@0dB



SNR: 121dB A-weighting

THD+N:<0.00015%@1k, <0.00020%@20Hz-20kHz

Frequency Response: 20Hz-20kHz ±0.1 -3dB@90kHz

Channel Crosstalk: >-133dB

Output Level: 2.2VRMS@0dB

Headphone Output

4.4 mm balanced

SNR: 117dB A-weighting

THD+N:<0.0004%@20Hz-20kHz 4VRMS

Frequency Response: 20Hz-20kHz ±0.1 -3dB@90kHz

Output Impedance:<22Ω

Output Power: 2200mw@33Ω, 950mw@300Ω, 500mw@600Ω, 1%THD

Gain: +14dB

6.35mm unbalanced

SNR: 116dB A-weighting

THD+N:<0.0005%@20Hz-20kHz 2VRMS

Frequency Response: 20Hz-20kHz ±0.1 -3dB@90kHz

Output Impedance:<11Ω

Output Power: 1200mW@33Ω, 260mW@300Ω, 130mW@600Ω, 1%THD

Gain: +14dB

Aux Input


100dB A-weighting


<0.0035%@1k, <0.0035%@20Hz-20kHz

Frequency Response

20Hz-20kHz ±0.1 -3dB@46kHz

Channel Crosstalk


Input Level

2.1VRMS Maximum



10/100/1000 Mbps


2.4 GHz / 5 GHz

USB Type C

The USB Type C port provides a maximum power of 5V/1.5A.

The USB port works with devices which conform to the USB mass storage standard and supports FAT, FAT32, exFAT and NTFS file formats, but is not guaranteed to be compatible with all storage devices.

MA Player

Controller app:

MA Remote App

Local Playback

Format Supported:



PCM Sampling Rate:

PCM 16-24Bit 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz, 352.8kHz, 384kHz, 705.6kHz, 768kHz

MQA  16-24Bit /44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz, 352.8kHz, 384kHz MQA or MQA Studio stream

DSD Sampling Rate:

2.8MHz, 5.6MHz, 11.2MHz, 22.4MHz

Roon Ready
PCM Sampling Rate:

PCM 16-24 Bit /44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz, 

352.8kHz, 384kHz, 705.6kHz, 768kHz

MQA  16-24 Bit /44.1 kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz, 352.8kHz, 384kHz MQA or MQA Studio stream
DSD Sampling Rate:DSD 2.8MHz, 5.6MHz, 11.2MHz, 22.4MHz

AirPlay 2

The audio specs depend on the service provider


The audio specs depend on the service provider

TIDAL Connect

The audio specs depend on the service provider

Spotify Connect

The audio specs depend on the service provider


The audio specs depend on the service provider

Radio Paradise

The audio specs depend on the service provider


The audio specs depend on the service provider

Power Specs

Power Voltage

AC 100V-240V 50/60Hz

Standby Power Consumption

< 5W

Maximum Power Consumption

< 30W

Weight & Size


1.3 kg (2.87 pounds)


Width: 224 mm (8.80 inches)

Depth: 186 mm (7.32 inches)

Height: 53 mm (2.07 inches)


RM5 remote control


Power cable


Quick start guide


Warranty card


For improvement purpose, specifications subject to changes without prior notice.

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