# Volt 2 USB Audio Interface vs SSL 2+ MKII: specs and price compared

A sourced, side-by-side comparison of the Volt 2 USB Audio Interface (Universal Audio) and SSL 2+ MKII (Solid State Logic) among audio interfaces. Volt 2 USB Audio Interface is the cheaper of the two at $249.

## Side by side

| Spec | Volt 2 USB Audio Interface | SSL 2+ MKII |
| --- | --- | --- |
| US price | $249 | $299.99 |
| Brand | Universal Audio | Solid State Logic |
| Released | 2021-11 | 2024-10 |
| Inputs analog | 2 | 2 |
| Outputs analog | 2 | 4 |
| Max resolution bit (kHz) | 24-bit / 192 kHz | 32-bit / 192 kHz |
| Mic preamps | 2 | 2 |
| Connection | usb_c | usb_c |
| Midi io | Yes | Yes |
| Bus powered | Yes | Yes |

## Key differences

- Outputs analog: Volt 2 USB Audio Interface 2 vs SSL 2+ MKII 4
- Max resolution bit (kHz): Volt 2 USB Audio Interface 24-bit / 192 kHz vs SSL 2+ MKII 32-bit / 192 kHz

## What reviewers say

**Volt 2 USB Audio Interface** — Only one whitelisted tester, SoundGuys, covers the Volt 2, and only as a pick inside a buying guide rather than a dedicated lab review, so there are no measured numbers. It endorses the Volt 2 as a capable sub-$200 Focusrite Scarlett alternative with 610-style preamps. No cross-source corroboration exists on the whitelist. (1 sourced review.)

**SSL 2+ MKII** — Two whitelisted hands-on reviews (Sound on Sound, MusicRadar) both recommend the SSL 2+ MKII, praising its intuitive physical-controls workflow (no companion app needed) and clean, crisp preamps. Neither published its own lab measurements, so the dynamic-range gains they mention are SSL's own specs, not independently verified. MusicRadar's main gripe is the plasticky, lightweight feel versus all-metal rivals. (2 sourced reviews.)

## Sources

- Volt 2 USB Audio Interface: https://www.uaudio.com/products/volt-2-usb-audio-interface (uaudio.com, verified 2026-06-19)
- SSL 2+ MKII: https://solidstatelogic.com/products/ssl-2-plus-mkii (solidstatelogic.com, verified 2026-06-19)

Canonical: https://frontdeskreview.com/gear/audio-interfaces/universal-audio-volt-2-vs-ssl-2-plus-mkii/
Cite: Per The Front Desk Review, Volt 2 USB Audio Interface ($249) vs SSL 2+ MKII ($299.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/audio-interfaces/universal-audio-volt-2-vs-ssl-2-plus-mkii/
License: CC BY 4.0.