Mini-i Pro 4

The Matrix Audio mini-i Pro 4 is a compact all-in-one music streamer, DAC, preamplifier, and headphone amplifier designed for modern high-fidelity audio systems. Combining advanced streaming functionality with high-performance digital audio processing, the mini-i Pro 4 delivers exceptional versatility and refined sound quality in an elegant minimalist chassis.

Powered by the latest ESS ES9039Q2M DAC chip and Matrix Audio’s MA Player streaming platform, the mini-i Pro 4 supports high-resolution streaming services, local network playback, and a wide range of digital inputs. Its fully balanced headphone amplifier, touchscreen display, and premium internal design make it ideal for both desktop and full-size hi-fi systems. 

!
This product cannot be purchased online.
Please contact us for pricing and availability: (206) 462‑5227
Contact Us For Availability

The Matrix Audio Mini-i Pro 4 is a compact all-in-one streaming solution designed for audiophiles who want reference-quality digital playback without the complexity of multiple components. Combining a network streamer, high-performance DAC, balanced preamplifier, and dedicated headphone amplifier, it delivers exceptional versatility in a space-saving design.

At its core is the latest ESS ES9039Q2M DAC, paired with Matrix Audio's proprietary digital processing platform to deliver remarkable clarity, low distortion, and outstanding dynamic range. The fully balanced analog stage ensures accurate signal reproduction for both loudspeaker and headphone listening.

The Mini-i Pro 4 supports today's most popular streaming platforms, including Roon Ready, AirPlay 2, Spotify Connect, TIDAL Connect, and DLNA/UPnP. Comprehensive connectivity with HDMI ARC, USB Audio, optical, and coaxial inputs allows seamless integration with televisions, computers, and traditional Hi-Fi components while supporting PCM up to 32-bit/768 kHz and Native DSD512 playback.

Housed in a precision-machined aluminum chassis, the Mini-i Pro 4 combines premium build quality with an intuitive user experience through the MA Remote app, front-panel color display, and included remote control. Its compact footprint and reference-grade performance make it an ideal centerpiece for desktop audio systems, headphone setups, and modern high-fidelity music systems.

  • Product type: Network music streamer, DAC, preamplifier, and headphone amplifier

  • DAC architecture: ESS ES9039Q2M DAC

  • Digital inputs: USB Audio, HDMI ARC, Optical, Coaxial

  • Analog outputs: Balanced XLR and unbalanced RCA

  • Headphone outputs: 4.4 mm balanced and 6.35 mm single-ended

  • Streaming support: Roon Ready, AirPlay 2, TIDAL Connect, Spotify Connect, DLNA/UPnP, Internet Radio

  • High-resolution audio support: PCM up to 32-bit/768 kHz, Native DSD512, MQA decoding

  • Network connectivity: Gigabit Ethernet and dual-band Wi-Fi (2.4 GHz / 5 GHz)

  • Control: Matrix Audio MA Remote app with color display and remote control support

  • Dimensions: 224 × 186 × 53 mm; Weight: 1.3 kg