Focusrite Scarlett Solo 4th Gen USB Audio Interface
Focusrite Scarlett Solo 4th Gen
- One XLR microphone input plus one 6.35mm line/instrument input
- Scarlett microphone preamp with up to 57dB gain
- Air mode for an alternative recording character
- Switchable 48V phantom power for compatible condenser microphones
- 24-bit recording at sample rates up to 192kHz
- Direct monitoring and separate headphone level control
- Two balanced 6.35mm monitor outputs
- USB-C bus-powered connection and loopback channels
In stock
ONE MIC + ONE INSTRUMENT / USB RECORDING
Scarlett Solo 4th Gen: A Clear Starting Point for Recording
The Focusrite Scarlett Solo 4th Gen is a USB audio interface for a microphone and a line-level or instrument source. It turns a simple desk into a recording path with one XLR mic input, a separate 6.35mm input, headphone monitoring and balanced monitor outputs.
Choose Solo when that input count matches your sessions. A two-person podcast using two XLR microphones needs a different interface or mixer, even if both products connect to the computer through USB.
Explore the Features

FEATURE 01
One Voice and One Instrument
The mic and instrument inputs are different connections with different roles. A singer with a guitar can plan around them; two XLR microphones require two actual microphone preamps.

FEATURE 02
Hear While You Record
Direct monitoring provides a way to hear the input without a software round trip. Keep the monitoring path clear to avoid hearing a delayed duplicate through the recording application.

FEATURE 03
A Controllable Recording Level
Set gain for the loudest part you expect to record and leave headroom. Air mode changes the recorded character, but it does not replace good microphone placement or sensible level setting.
Build a Complete Microphone Setup
An XLR microphone such as the RØDE PodMic connects to Solo’s mic input through a suitable cable. The RØDE PSA1+ handles positioning separately. For a condenser microphone, confirm its power requirements before enabling 48V.
The 6.35mm front input is for a line-level source or instrument as configured. A plug adapter does not turn it into a second XLR microphone preamp.
Headphones, Speakers and Loopback
Use a matching headphone connection for monitoring and balanced cables where appropriate for active monitors. The DT 990 PRO 250 Ohm is an open-back listening option; check the output level you need and consider leakage during microphone recording.
Loopback can bring computer audio into a recording or streaming workflow. Route it deliberately so an application does not feed its own output back into its input.
When to Choose a Larger Production System
If you need two XLR microphones, sound pads or standalone podcast recording, compare the RØDECaster Duo. Solo is built around a simpler microphone-and-instrument path, so choose by required inputs and workflow rather than maximum sample rate alone.
Frequently Asked Questions
How many XLR microphones can I connect?
Scarlett Solo 4th Gen has one XLR microphone input. The separate 6.35mm line/instrument input is not a second microphone preamp.
Does it provide phantom power?
Yes. It offers switchable 48V phantom power for a compatible condenser microphone connected to the mic input.
How much mic gain is available?
Focusrite specifies a 57dB gain range for the Solo 4th Gen microphone input.
What does direct monitoring do?
It lets you monitor the input without waiting for a software round trip. Configure the recording application to avoid an unwanted second monitoring path.
Can it record computer audio?
Loopback channels support bringing computer playback into a compatible recording workflow. Correct application routing is required.
Can I connect passive speakers directly?
No. The balanced outputs feed active speakers or a suitable external amplifier, not passive speaker drivers directly.
Is a higher sample rate always necessary?
No. Choose the rate required by your project and software. The interface supports up to 192kHz, but that maximum is not a requirement for ordinary voice recording.
Why Buy from AX Store Kuwait?
AX Store Kuwait helps you match the actual input count, microphone and monitoring connections before ordering. Compare Solo with larger production systems only when your recording workflow calls for their additional inputs and controls.
Technical Specifications
| General | |
|---|---|
| Brand | Focusrite |
| Model | Scarlett Solo |
| Generation | 4th Gen |
| Product Type | USB audio interface |
| Inputs and Outputs | |
| Microphone Input | 1 × XLR |
| Line / Instrument Input | 1 × 6.35mm |
| Microphone Gain Range | 57dB |
| Phantom Power | Switchable 48V |
| Monitor Outputs | 2 × balanced 6.35mm TRS |
| Headphone Output | 6.35mm with separate level control |
| Digital and Monitoring | |
| Bit Depth | 24-bit |
| Maximum Sample Rate | 192kHz |
| Connection | USB-C, USB 2.0 |
| Power | USB bus power |
| Direct Monitoring | Supported |
| Loopback | Supported |
| Air Mode | Supported |
| Dimensions | |
| Dimensions | 143 × 96 × 46.5mm |
| Weight | 382g |
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