# Scarlett Solo 4th Generation vs iD4 MkII: specs and price compared

A sourced, side-by-side comparison of the Scarlett Solo 4th Generation (Focusrite) and iD4 MkII (Audient) among audio interfaces. Scarlett Solo 4th Generation is the cheaper of the two at $159.99.

## Side by side

| Spec | Scarlett Solo 4th Generation | iD4 MkII |
| --- | --- | --- |
| US price | $159.99 | $199 |
| Brand | Focusrite | Audient |
| Released | 2023-08 | 2021-02 |
| Inputs analog | 2 | 2 |
| Outputs analog | 2 | 2 |
| Max resolution bit (kHz) | 24-bit / 192 kHz | 24-bit / 96 kHz |
| Mic preamps | 1 | 1 |
| Connection | usb_c | usb_c |
| Midi io | No | No |
| Bus powered | Yes | Yes |

## Key differences

- Max resolution bit (kHz): Scarlett Solo 4th Generation 24-bit / 192 kHz vs iD4 MkII 24-bit / 96 kHz

## What reviewers say

**Scarlett Solo 4th Generation** — Only one whitelisted tester, SoundGuys, published a hands-on review of this exact model (Scarlett Solo 4th Gen), testing it over one week. It calls the unit a safe, affordable, easy plug-and-play entry interface with quality mic preamps, while flagging the missing output meter, Auto Gain and Clip Safe. No lab measurements were taken. (1 sourced review.)

## Sources

- Scarlett Solo 4th Generation: https://www.sweetwater.com/store/detail/ScarSoG4--focusrite-scarlett-solo-4th-gen-usb-audio-interface (sweetwater.com, verified 2026-06-19)
- iD4 MkII: https://audient.com/products/audio-interfaces/id4/overview/ (audient.com, verified 2026-06-19)

Canonical: https://frontdeskreview.com/gear/audio-interfaces/focusrite-scarlett-solo-4th-gen-vs-audient-id4-mkii/
Cite: Per The Front Desk Review, Scarlett Solo 4th Generation ($159.99) vs iD4 MkII ($199) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/audio-interfaces/focusrite-scarlett-solo-4th-gen-vs-audient-id4-mkii/
License: CC BY 4.0.