MOTU M4 vs Universal Audio Volt 1
A side-by-side look at MOTU M4 and Universal Audio Volt 1 for podcasters: pricing, features, and where each one wins.
MOTU M4
Four inputs of Sabre32 quality with a metering display that earns its keep
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Universal Audio Volt 1
One channel of UA preamp character for solo creators
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Check price on AmazonAt a glance
| MOTU M4 | Universal Audio Volt 1 | |
|---|---|---|
| Starting price | See site | See site |
| Free plan | No | No |
| Free trial | No | No |
| Best for | Producers and podcasters who need four simultaneous inputs with reference-grade conversion and proper hardware metering | Solo podcasters or vocalists who want UA preamp coloring and iOS compatibility in the smallest possible form factor |
Key features
MOTU M4
- -129 dBu EIN mic preamp noise floor
- 2 XLR/TRS combo inputs with 48V phantom power (front)
- 2 balanced TRS line inputs (rear)
- 4 balanced DC-coupled TRS outputs
- ESS Sabre32 Ultra DAC, 120 dB dynamic range
- Full-color LCD meters, 2.5 ms round-trip latency at 96 kHz
Universal Audio Volt 1
- 24-bit / 192 kHz converters
- Vintage mic preamp mode (610 tube circuit-inspired)
- USB 2.0 class-compliant, iOS compatible
- 1 XLR/TRS/Hi-Z combo input with 48V phantom power
- 1-in / 2-out signal path
- Bus powered, compact desktop form factor
Pros and cons
MOTU M4
Pros
- Same class-leading noise specs as the M2, four inputs
- DC-coupled outputs for modular synthesis integration
- Four balanced outputs for flexible monitoring
- Full-color LCD covers all four I/O channels
Cons
- Windows drivers require more attention than on Mac
- No MIDI I/O
- Rear line inputs are less convenient for instrument switching
Universal Audio Volt 1
Pros
- Vintage mode analog character in a single-input box
- Class-compliant iOS and Mac/Windows support
- Extremely compact and bus-powered
- Good headphone output for monitoring
Cons
- Single input only - no co-host capability
- USB 2.0, not USB-C
- No MIDI I/O
The verdict
Choose MOTU M4 if
Producers and podcasters who need four simultaneous inputs with reference-grade conversion and proper hardware metering.
Everything that makes the M2 exceptional applies here, plus two extra line inputs for synths, drum machines, or an outboard mixer. The four balanced outputs let you run studio monitors plus a second pair or an external headphone amp -…
Choose Universal Audio Volt 1 if
Solo podcasters or vocalists who want UA preamp coloring and iOS compatibility in the smallest possible form factor.
If you're recording alone - one voice, one microphone - the Volt 1 covers the job with a preamp pedigree that most interfaces at this size can't match. The Vintage mode is the same 610-inspired circuit as the Volt 2.…