Matrix Audio mini-i Pro 4 Music Streamer/Headphone Amplifier

Matrix Audio mini-i Pro 4 Music Streamer 

Compact HiFi Hub for Effortless High-Res Playback

Discover the joy of simplified high-fidelity audio with the Matrix Audio mini-i Pro 4, a versatile music streamer, DAC, and headphone amplifier engineered in China for audiophiles who value compact elegance and expansive performance. This latest iteration upgrades the beloved mini-i series with the premium ES9039Q2M DAC, delivering pristine DSD up to 22.4MHz and PCM 32-bit/768kHz playback from local USB storage, NAS, or streaming giants like TIDAL, Qobuz, and Spotify. Available in sophisticated gray or enigmatic black finishes, the mini-i Pro 4 integrates seamlessly with TVs via HDMI ARC, drives demanding headphones through balanced outputs, and harnesses the intuitive MA Player OS for app-controlled bliss—perfect for desktop setups, home offices, or minimalist living rooms seeking resonance-free, immersive sound without the tangle of separate components.

Key Features of the Matrix Audio mini-i Pro 4  

• ES9039Q2M DAC Chip: High-performance ESS Sabre conversion supports native DSD22.4MHz, MQA unfolding, and PCM up to 768kHz for ultra-low distortion (THD+N <0.00010%) and exceptional dynamic range, ensuring natural timbre and expansive soundstaging in a compact form.  
  
• Versatile Digital Inputs: USB Type-C audio (up to 768kHz/32-bit, DSD22.4MHz native/DoP), S/PDIF coaxial/optical (up to 192kHz/24-bit, DSD2.8MHz DoP), and HDMI ARC (up to 192kHz/24-bit with CEC for TV remote control and synchronized HiFi video audio).  
  
• Analog RCA Aux Input: With three adjustable gain levels for seamless integration of legacy sources like CD players or turntables, delivering SNR >100dB and low THD+N <0.0035% for clean signal passthrough.  
  
• Balanced Headphone Amplification: Full Class AB circuit with 6.35mm single-ended (up to 1200mW @33
  Ω) and 4.4mm balanced (up to 2200mW @33
  Ω) outputs, low impedance (<2Ω balanced), and +14dB gain for effortless drive of high-impedance cans with reduced interference.  
  
• Network Streaming Ecosystem: Gigabit Ethernet and dual-band Wi-Fi (2.4/5GHz) support Roon Ready, AirPlay 2, DLNA/UPnP, TIDAL/Spotify/Qobuz Connect, vTuner radio, and more for high-res access to QQ Music, Baidu Cloud, and HIGHRESAUDIO.  
  
• Local Playback & Management: USB Type-C mass storage (FAT/exFAT/NTFS up to 5V/1.5A) and NAS integration with automatic library indexing; browse by album, artist, genre, or composer via the MA Remote app.  
  
• Intuitive Controls: 3.46-inch LCD touch screen for on-device operation and metadata display; MA Remote app (iOS/Android) for full control, firmware updates, and settings; RM5 programmable remote included.  
  
• MA Player Hi-Fi OS: Self-developed Linux-based system optimizes for audio, enabling CD ripping to DSF/DFF, internet radio, and seamless blending of local/online sources with formats like FLAC, APE, ALAC, DSF, and DFF.

Why Choose the Matrix Audio mini-i Pro 4 for Your HiFi Upgrade?

The mini-i Pro 4 embodies Matrix's commitment to "simplifying complexity," outshining basic streamers with its upgraded ES9039Q2M DAC and balanced architecture that deliver high-SNR, low-distortion sound tailored to diverse genres—from the subtlety of classical to the punch of pop—while fitting unobtrusively into any space. Unlike entry-level dongles limited by jitter or connectivity, its HDMI ARC enables effortless TV HiFi upgrades, and the headphone amp provides headphone-grade power without extra gear, making it ideal for personal listening or 2.1 systems with active speakers. Audiophiles praise its "balanced warmth," stable Wi-Fi fallback, and app-driven fluidity, positioning it as a versatile entry to Matrix's ecosystem with firmware scalability for future formats. Backed by rigorous engineering and a two-year warranty, the mini-i Pro 4 offers exceptional value, transforming cluttered digital setups into a single, elegant source of fatigue-free, high-res joy.

Detailed Benefits for Your Audio System  

• Pristine Digital-to-Analog Conversion: ES9039Q2M and optimized circuits ensure exceptional SNR (>127dB on XLR) and crosstalk isolation (>146dB), unveiling micro-details and ambient cues for immersive, lifelike playback.  
  
• Seamless Streaming & Local Access: Robust protocols and NAS/USB support streamline vast libraries, with automatic indexing and ripping for effortless curation of high-res collections without a PC intermediary.  
  
• Powerful Headphone & Line Outputs: Balanced headphone drive and adjustable line levels (up to 4.4VRMS XLR) adapt to sensitive IEMs or power-hungry dynamics, enhancing bass control and treble air for private or shared sessions.  
  
• Hybrid TV & Network Integration: HDMI ARC with CEC simplifies video-audio synergy, while dual-band Wi-Fi and Ethernet deliver dropout-free high-res streams, bridging broadcast, vinyl rips, and cloud content flawlessly.

Technical Specifications  

• DAC Chip: ES9039Q2M.  
  
• Supported Formats (Local/MA Player): PCM 16-24Bit/44.1-768kHz, MQA 16-24Bit/44.1-384kHz; DSD 2.8-22.4MHz (Native/DoP); Formats: MP3, WMA, WAV, AIF/AIFC/AIFF, AAC, FLAC, OGG, APE, ALAC, M4A, DSF, DFF, CUE.  
  
• Supported Formats (Roon Ready): PCM 16-24Bit/44.1-768kHz, MQA/44.1-384kHz; DSD 2.8-22.4MHz (DoP).  
  
• Digital Inputs: USB Audio (Type-C): PCM 16-24Bit/44.1-768kHz, MQA/44.1-384kHz, DSD2.8-22.4MHz (Native/DoP); Coaxial/Optical: PCM 16-24Bit/44.1-192kHz, DSD2.8MHz (DoP); HDMI ARC: PCM 16-24Bit/44.1-192kHz.  
  
• Analog Input (RCA Aux): SNR: 100dB A-weighted; THD+N: <0.0035% @1kHz
  /20Hz-20kHz; Frequency Response: 20Hz-20kHz ±0.1dB (-3dB@46kHz); Crosstalk: >-105dB; Max Input: 2.1VRMS.  
  
• Line Outputs: XLR: SNR: 127dB A-weighted, THD+N: <0.00010% @20Hz
  -20kHz, Frequency Response: 20Hz-20kHz ±0.1dB (-3dB@90kHz), Crosstalk: >-146dB, Output: 4.4VRMS@0dB; RCA: SNR: 121dB, THD+N: <0.00020%, Crosstalk: >-133dB, Output: 2.2VRMS@0dB.  
  
• Headphone Outputs: 4.4mm Balanced: SNR: 117dB A-weighted, THD+N: <0.0004% @20Hz
  -20kHz (4VRMS), Frequency Response: 20Hz-20kHz ±0.1dB (-3dB@90kHz),
• Output Impedance: <2Ω, Power: Up to 2200mW@33Ω (1% THD), Gain: +14dB; 6.35mm Unbalanced: SNR: 116dB, THD+N: <0.0005% (2VRMS), Output Impedance: <1Ω, Power: Up to 1200mW@33Ω (1% THD), Gain: +14dB.  
  
• Network: LAN: 10/100/1000 Mbps; Wi-Fi: 2.4GHz/5GHz.  
  USB Type-C: Max Power: 5V/1.5A; Supports FAT/FAT32/exFAT/NTFS mass storage (device compatibility varies).  
  
• Power: AC 100-240V 50/60Hz (<30W max, <5W standby).  
  
• Dimensions (W x D x H): 224 x 186 x 53 mm (8.80" x 7.32" x 2.07").  
  
• Weight: 1.3 kg (2.87 lbs).  
  
• Accessories: RM5 remote, power cable, quick start guide, warranty card.

Ready to Stream High-Res in Style?

The Matrix Audio mini-i Pro 4 Music Streamer is your gateway to compact, high-res audio elegance, blending ES9039Q2M DAC brilliance with seamless connectivity. Shop now at All Elite Audio for swift fulfillment and pro guidance—ignite your HiFi today.