The Universal Audio Volt 4 USB Recording Studio pairs clean 24-bit 192 kHz conversion with two vintage flavored mic preamps, flexible line I/O, and rock-solid USB C connectivity for compact rigs. The concept is straightforward. Keep the signal path quiet and predictable, add UA’s switchable Vintage mic mode for 610 style color when wanted, and give creators enough outputs to route monitors, cue mixes, or external processors without re patching.

I/O is arranged to stay out of the way while you work. Inputs 1 and 2 are XLR combo preamps with 48 V phantom power for condensers and Hi Z sensitivity for direct guitar or bass. Inputs 3 and 4 are dedicated balanced line inputs, handy for synths, drum machines, or the stereo out of a small mixer. Four balanced line outputs cover main monitors on 1 2 and an additional pair on 3 4 for alternate speakers, hardware sends, or reamping chains. A front panel headphone jack with its own level control handles tracking and late-night edits without waking the neighbors. MIDI In and Out support controllers and external sound modules without an extra USB dongle.

Monitoring is deliberately simple. Input direct monitoring lets you record with near zero latency while still hearing the DAW return, so singers and podcasters stay comfortable. Big, grabbable knobs control monitor and phones levels, and per channel gain knobs with clear metering keep headroom where it belongs. The chassis is metal with wooden side panels, small enough for a crowded desk but sturdy enough for a backpack.

Day to day, the value shows up in repeatability. Vintage mode adds a tasteful harmonic lift for voice, acoustic instruments, or DI bass, while the default clean path stays transparent for detailed sources and heavy plug in chains. Bus power over USB C keeps setup tidy on the go, and external power can be added when you need more headroom from connected peripherals. If the brief is four inputs, dependable drivers, and a touch of analog character on demand, Volt 4 checks the boxes without drama.

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• Windows, Mac, iPhone, and iPad compatible
• Included software from Ableton, Softube, Celemony, Relab, Plugin Alliance, UJAM, and Spitfire
• Vintage Mic Preamp mode
• 1-in/1-out MIDI connection
• Studio-quality headphone amplifier
• USB-C to USB-A Cable included
• 48V phantom power for condenser microphones
• 30-day Free Trial to UAD Spark