Arturia MiniFuse 4 is a 4-input / 4-output USB-C audio and MIDI interface for producers, small bands, synth setups, podcast teams and creators who need more simultaneous connections. It combines four input channels, four output channels, two independent headphone outputs, MIDI DIN I/O and two USB hub ports in one desktop interface.

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I/O and Connectivity

Why MiniFuse 4?

• Four simultaneous inputs: record a stereo keyboard plus two additional sources, or build a compact multi-instrument setup.
• Four outputs: create additional routing paths beyond a basic stereo monitor pair.
• Two headphone outputs: useful when an engineer and performer both need headphones.
• MIDI DIN I/O: connect synths, drum machines and other MIDI hardware without a separate MIDI interface.
• Two USB hub ports: helps integrate compatible USB peripherals while conserving computer ports.
• Professional audio performance: Arturia specifies 110 dB dynamic range and typical microphone EIN of -129 dB for the MiniFuse platform.

Frequently Asked Questions

How many inputs can MiniFuse 4 record at once?
Four analog input channels.

Does it have four microphone preamps?
No. Inputs 1 and 2 are combo mic, instrument or line inputs. Inputs 3 and 4 are additional 1/4-inch line inputs.

How many headphone connections are included?
Two independent stereo 1/4-inch headphone outputs.

Can I connect external MIDI hardware?
Yes. MiniFuse 4 includes 5-pin MIDI input and output.