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 colours or unique in dark colours, 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 optimised 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 Hi-Fi Streamer OS developed by「Matrix Audio」for its products. 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, NetEase Cloud, TIDAL Connect and Audirvāna, 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, Sony Select, QQ Music, Baidu Cloud 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 categorised 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, QPlay, NetEase Cloud, TIDAL Connect, Spotify Connect and Audirvāna. It means you can transmit audio through different devices and platforms. Whether using the Roon audio system or wireless streaming through DLNA/UPnP or AirPlay such as QQ Music and NetEase Cloud Music, high-quality audio playback and listening experience can be achieved.

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.

Specifications

Hardware Platform

• CPU: Quad Cortex-A55 2.0GHz
• D/A Chip: ES9039Q2M

Digital Input

• COAXIAL & OPTICAL (PCM): 6-24Bit /44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz
• COAXIAL & OPTICAL (DSD DoP): 2.8MHz
• HDMI ARC (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
• USB Audio (MQA/MQA Studio Stream): 16-24Bit /44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz, 352.8kHz, 384kHz
• USB Audio (DSD DoP): 2.8MHz, 5.6MHz, 11.2MHz
• USB Audio (DSD Native): 2.8MHz, 5.6MHz, 11.2MHz, 22.4MHz

Line Output XLR

• 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

Line Output RCA

• 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

Headphone Output - 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

• SNR: 100dB A-weighting
• THD+N: <0.0035%@1k, <0.0035%@20Hz-20kHz
• Frequency Response: 20Hz-20kHz ±0.1 -3dB@46kHz
• Channel Crosstalk: >-105dB
• Input Level: 2.1VRMS Maximum

Network

• LAN: 10/100/1000 Mbps
• WLAN: 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: MP3 , WMA , WAV , AIF, AIFC, AIFF, AAC, FLAC, OGG, APE, ALAC, M4A, DSF, DFF, CUE
• Local Playback 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
• Local Playback 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
• Roon Ready DSD Sampling rate: DSD 2.8MHz, 5.6MHz, 11.2MHz, 22.4MHz
• AirPlay 2: The audio specs depend on the service provider
• DLNA/UPnP: 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
• vTuner: The audio specs depend on the service provider
• Radio Paradise: The audio specs depend on the service provider
• HIGHRESAUDIO: 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 & Accessories

• Weight: 1.3 kg (2.87 pounds)
• Dimensions (W x D x H): 224 mm (8.80 inches) x 186 mm (7.32 inches) x 53 mm (2.07 inches)
• Accessories: RM5 remote control x 1, Power cable x 1, Quick start guide x 1, Warranty card x 1