mini-i Pro 4

Matrix Audio mini-i Pro 4 – The Compact Streaming DAC for Every System

Balance and Profound – Two Choices

The mini-i Pro 4 embodies the minimalist design language of Matrix Audio. Available in grey—representing balance and moderation—or black—signifying depth and sophistication—it seamlessly complements both light, modern interiors and darker, more dramatic setups. Whatever your style, the mini-i Pro 4 integrates beautifully into your system.

---

More Than Just a DAC

The mini-i Pro 4 is not simply a DAC. It’s a complete high-fidelity music streamer, equipped with rich digital inputs, powerful processing, and support for leading network streaming protocols. With Matrix Audio’s self-developed MA Player and the intuitive MA Remote App, you can explore vast music libraries, enjoy online streaming, and experience exceptional high-resolution sound.

---

Audiophile Sound Quality with ESS ES9039Q2M

Upgraded with the ESS ES9039Q2M DAC chipset, the mini-i Pro 4 delivers an ultra-high signal-to-noise ratio and incredibly low distortion. Carefully tuned audio circuits, premium components, and an optimised PCB layout ensure that every detail of your music is presented with clarity, precision, and musicality.

---

Balanced Headphone Amplifier with Dual Outputs

Designed for flexibility, the mini-i Pro 4 includes both:

• 6.35mm single-ended headphone output

• 4.4mm balanced headphone output

The fully balanced amplifier design reduces interference, increases output power, and improves overall sound quality. It easily drives high-impedance headphones, ensuring both delicate detail and commanding dynamics.

---

Easy to Use – Touchscreen, App, and Remote

With its 3.46-inch LCD touchscreen, navigating settings and playback is effortless. Rich metadata is displayed for every track, while the MA Remote App (iOS & Android) and the RM5 remote control give you complete, convenient control from anywhere in your listening space.

---

MA Player – Hi-Fi Streamer OS

Matrix Audio’s MA Player OS makes network streaming seamless. Supporting Roon Ready, DLNA/UPnP, AirPlay 2, Spotify Connect, TIDAL Connect, NetEase Cloud Music, Audirvāna, and more, it ensures compatibility with your preferred streaming platforms.

---

MA Remote App – Total System Control

The MA Remote App expands functionality further. Play high-resolution audio from TIDAL, Qobuz, Sony Select, HIGHRESAUDIO, QQ Music, Baidu Cloud, Internet radio, and manage every hardware setting. Firmware updates are also handled directly in the app—keeping your mini-i Pro 4 future-ready.

---

Organise and Play Local Music Effortlessly

The mini-i Pro 4 supports local playback from USB drives and NAS storage. It automatically builds a library by indexing your files, allowing browsing by album, artist, track, genre, composer, performer, label, and more. Your entire music collection is always at your fingertips.

---

Open the Door to High-Res Streaming

With integrated support for TIDAL, Qobuz, and HIGHRESAUDIO, you can log into your accounts via the MA Remote App and access endless high-quality music. Combined with full protocol support, the mini-i Pro 4 is your gateway to the world of high-resolution streaming audio.

---

Internet Radio – 24/7 Music Discovery

Enjoy unlimited access to vTuner and Radio Paradise internet radio. Whether your preference is classical, pop, jazz, electronic, or talk shows, the mini-i Pro 4 provides endless entertainment around the clock.

---

High-Performance USB DAC

The mini-i Pro 4 USB DAC connects easily to your computer, smartphone, or tablet. Supporting up to 768kHz PCM, DSD512, and full MQA decoding, it ensures your devices benefit from audiophile-grade sound quality.

---

HDMI ARC – Experience TV Hi-Fi

The HDMI ARC input transforms your TV or projector into a Hi-Fi source. Supporting 24-bit/192kHz PCM audio, it delivers clear and realistic sound for your films and shows. With HDMI CEC, volume, power, and playback can be synchronised between the mini-i Pro 4 and your display device.

---

Broad Compatibility with S/PDIF Inputs

Equipped with both optical and coaxial S/PDIF inputs, the mini-i Pro 4 handles PCM signals from 44.1kHz to 192kHz and DSD64 via DoP, ensuring compatibility with CD transports, game consoles, and more.

---

Flexible Analogue Input

In addition to digital and streaming capabilities, the mini-i Pro 4 features an RCA analogue input with three adjustable gain levels. This makes it easy to integrate traditional analogue gear—such as CD players and turntables with phono stages—into your modern digital system.

---

Stable Connectivity – Wired or Wireless

With Gigabit Ethernet and dual-band Wi-Fi (2.4GHz & 5GHz), the mini-i Pro 4 guarantees smooth, stable streaming of high-resolution files. Choose the connection that best suits your environment, whether maximum reliability via Ethernet or convenience with Wi-Fi.

---

RM5 Remote Control – Elegance in Your Hand

The RM5 remote, designed specifically for the mini-i series, features a solid metal front panel and a smooth back cover for a premium feel. Redesigned buttons and a programmable shortcut add both convenience and style to your listening experience.

---

Matrix Audio mini-i Pro 4 – Small Size, Endless Possibilities

Compact yet powerful, the Matrix Audio mini-i Pro 4 combines DAC performance, network streaming, headphone amplification, HDMI ARC TV audio, USB DAC functionality, and flexible inputs into one elegant device. Whether you are building your first Hi-Fi system or upgrading an existing setup, it delivers pure sound, endless streaming options, and unmatched convenience.

Specifications

Category	Specification
Hardware Platform	CPU: Quad Cortex-A55 2.0GHzD/A Chip: ES9039Q2M
Digital Input	Coaxial & Optical (PCM): 16–24Bit / 44.1–192kHzCoaxial & Optical (DSD DoP): 2.8MHzHDMI ARC (PCM): 16–24Bit / 44.1–192kHzUSB Audio (PCM): 16–24Bit / 44.1–768kHzUSB Audio (MQA/MQA Studio): 16–24Bit / 44.1–384kHzUSB Audio (DSD DoP): 2.8, 5.6, 11.2MHzUSB Audio (DSD Native): 2.8, 5.6, 11.2, 22.4MHz
Line Output XLR	SNR: 127dB (A-weighted)THD+N: <0.00008% @1kHz, <0.00010% @20Hz–20kHzFrequency Response: 20Hz–20kHz ±0.1, -3dB @90kHzCrosstalk: >-146dBOutput Level: 4.4VRMS @0dB
Line Output RCA	SNR: 121dB (A-weighted)THD+N: <0.00015% @1kHz, <0.00020% @20Hz–20kHzFrequency Response: 20Hz–20kHz ±0.1, -3dB @90kHzCrosstalk: >-133dBOutput Level: 2.2VRMS @0dB
Headphone Output – 4.4mm Balanced	SNR: 117dB (A-weighted)THD+N: <0.0004% (20Hz–20kHz, 4VRMS)Frequency Response: 20Hz–20kHz ±0.1, -3dB @90kHzOutput Impedance: <22ΩOutput Power: 2200mW @33Ω, 950mW @300Ω, 500mW @600Ω (1% THD)Gain: +14dB
Headphone Output – 6.35mm Unbalanced	SNR: 116dB (A-weighted)THD+N: <0.0005% (20Hz–20kHz, 2VRMS)Frequency Response: 20Hz–20kHz ±0.1, -3dB @90kHzOutput Impedance: <11ΩOutput Power: 1200mW @33Ω, 260mW @300Ω, 130mW @600Ω (1% THD)Gain: +14dB
Aux Input	SNR: 100dB (A-weighted)THD+N: <0.0035% @1kHz, <0.0035% @20Hz–20kHzFrequency Response: 20Hz–20kHz ±0.1, -3dB @46kHzCrosstalk: >-105dBInput Level: 2.1VRMS max
Network	LAN: 10/100/1000 MbpsWLAN: 2.4GHz / 5GHz
USB Type-C	Max Power: 5V/1.5ASupports FAT, FAT32, exFAT, NTFS (compatibility not guaranteed with all devices)
MA Player	Controller App: MA Remote AppLocal Playback Formats: MP3, WMA, WAV, AIF, AIFC, AIFF, AAC, FLAC, OGG, APE, ALAC, M4A, DSF, DFF, CUELocal Playback PCM: 16–24Bit / 44.1–768kHzLocal Playback MQA/MQA Studio: 16–24Bit / 44.1–384kHzLocal Playback DSD: 2.8, 5.6, 11.2, 22.4MHzRoon Ready PCM: 16–24Bit / 44.1–768kHzRoon Ready MQA/MQA Studio: 16–24Bit / 44.1–384kHzRoon Ready DSD: 2.8, 5.6, 11.2, 22.4MHzStreaming Services: AirPlay 2, DLNA/UPnP, TIDAL Connect, Spotify Connect, vTuner, Radio Paradise, HIGHRESAUDIO (specs depend on provider)
Power Specs	Voltage: AC 100V–240V 50/60HzStandby Power: <5WMax Power: <30W
Weight & Dimensions	Weight: 1.3kg (2.87lb)Dimensions: 224 × 186 × 53 mm (8.80 × 7.32 × 2.07 in)
Accessories	RM5 remote ×1Power cable ×1Quick start guide ×1Warranty card ×1