This All-in-One Music Streamer Blends Quality Digital Audio Processing Capabilities and Network Streaming Support for a True Hi-Fi Experience

• ESS ES9039Q2M DAC chip
• Fully balanced amplifier circuit
• High-res streaming with MA player
• 3.46-inch LCD touchscreen
• 6.35mm + 4.4mm outputs

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 digital audio/streaming playback system MA Player and the controller app MA Remote App, it easily plays a vast amount of online streaming music, providing you with an exceptional high-fidelity listening experience.

Latest ESS Chip

mini-i PRO 4 is upgraded with 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.

Fully Balanced Amp 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. 

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. 

Sort Out Your Local Music

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.

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.

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!

Specifications

• Full list of specifications
• Weight: 2.97 lbs
• Dimensions: 8.80" x 7.32" x 2.07"

In the Box

• Matrix Audio mini-i PRO 4
• Remote control 
• Power cable
• User manual