Meet the mini-i Pro 4
The Matrix Audio mini-i Pro 4 Music Streamer/Headphone Amplifier is a compact all-in-one desktop audio component designed for high-resolution streaming, DAC performance, and serious headphone listening. With network streaming, digital inputs, balanced headphone output, and a clean touchscreen interface, it gives listeners a flexible hub for modern hi-fi systems.
Whether it is used on a desktop, in a headphone setup, or as a compact source for a two-channel system, the mini-i Pro 4 combines Matrix Audio’s streaming platform with a fully balanced amplifier circuit and ESS digital conversion.
Music Streamer
Headphone Amplifier
ES9039Q2M DAC
4.4mm Balanced Output
6.35mm Headphone Output
Touchscreen Display
System note: this is an excellent option for customers who want one compact component for streaming, DAC duties, and headphone listening without building a large stack of separate boxes.
Highlights & Benefits
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All-in-one desktop hi-fi design — combines streamer, DAC, preamp functionality, and headphone amplification in one compact component.
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ESS ES9039Q2M DAC chip — supports detailed digital conversion for high-resolution playback.
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Dual headphone outputs — includes both 6.35mm single-ended and 4.4mm balanced headphone connections.
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Fully balanced amplifier circuit — designed to reduce interference and improve output performance for headphone listening.
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Modern streaming flexibility — the Matrix Audio mini-i Pro 4 Music Streamer/Headphone Amplifier supports convenient network playback through Matrix Audio’s MA Player platform and compatible streaming services.
Technology & Design
The mini-i Pro 4 is built around a Quad Cortex-A55 platform and ESS ES9039Q2M DAC chip, giving it the processing and digital conversion foundation needed for high-resolution streaming and DAC use.
For headphone listeners, the fully balanced amplifier section offers both 6.35mm single-ended and 4.4mm balanced outputs. That makes the Matrix Audio mini-i Pro 4 Music Streamer/Headphone Amplifier a practical centerpiece for customers who use multiple headphone types or want a cleaner, more powerful desktop listening setup.
The 3.46-inch LCD touchscreen keeps control simple, while network connectivity, USB audio, optical, coaxial, and HDMI ARC support make it flexible enough for computer audio, streaming, and compact living room systems.
The mini-i Pro 4 is also Roon Ready and “Plays with Audirvāna” certified, making it a strong fit for listeners who already use advanced music-library software.
FAQ — mini-i Pro 4
Is this only a headphone amplifier?
No. It is also a music streamer, DAC, and compact preamp-style source component for a desktop or two-channel audio system.
Does it have balanced headphone output?
Yes. It includes a 4.4mm balanced headphone output along with a 6.35mm single-ended headphone output.
Can it work as a streamer in a stereo system?
Yes. The Matrix Audio mini-i Pro 4 Music Streamer/Headphone Amplifier can serve as a compact streaming source and DAC in a two-channel system.
Does it support HDMI ARC?
Yes. HDMI ARC support makes it easier to integrate with a TV-based audio system when a compact hi-fi solution is desired.
Why Buy From Us
- Guidance on matching streamers, DACs, headphone amplifiers, and powered speaker systems
- Help choosing the right headphone output, cabling, and system configuration
- Support for desktop, two-channel, and TV-based audio setups
- Real-world hi-fi advice from a team that works with music systems every day
