# Universal Audio Apollo X4

- Source: https://stierproducts.com/products/universal-audio-apollo-x4
- Category board: https://stierproducts.com/categories/audio-interfaces
- Placement: #14 of 15 in Audio Interfaces, D tier
- Brand: Universal Audio
- LP on this board: 241
- Last researched: 2026-09-23T21:53:38.802Z
- Method: https://stierproducts.com/methodology
- Dataset: https://doi.org/10.5281/zenodo.22062813 - every board at once, one dated snapshot per release, same licence, prices and photographs left out
- Reuse: Text, rankings, tier assignments, LP values and verdicts are free to quote and reuse with attribution to stierproducts and a link to the source URL (CC BY 4.0: https://creativecommons.org/licenses/by/4.0/). Product photographs are not covered: they belong to their respective owners and are reproduced to illustrate the product being reviewed. Do not redistribute them under this licence.

## Verdict

Positioned ninth as the natural four-channel step up within the Apollo premium family, endorsed by Guitar World as part of the overall Apollo line.

## For

- Natural four-channel step up within premium family
- Author uses X4 as larger version of recommended Apollo line
- superb converters
- solid build quality
- active Gen 2 platform

## Against

- Lacks direct review evidence
- less accumulated failure-rate history than older generations

## Evidence

Consolidated from 2 independent outlets

| Outlet | Said by | Stance | Link | Link status |
| --- | --- | --- | --- | --- |
| r/universalaudio | - | - | https://www.reddit.com/r/universalaudio/comments/1npdh56/buying_an_apollo_x4_gen2_today_do_you_love_yours/ | outlet blocks automated checks |
| GUITARGUITAR | guitarguitar | S | https://www.guitarguitar.co.uk/product/240910429321027--universal-audio-apollo-x4-with-uad-analog-classics-desktoptb3ma | fetched and confirmed |

## Nearest alternatives on this board

| Rank | Product | Tier | Page |
| --- | --- | --- | --- |
| 1 | MOTU M2 | S | https://stierproducts.com/products/motu-m2 |
| 2 | Focusrite Scarlett 2i2 4th Gen | S | https://stierproducts.com/products/focusrite-scarlett-2i2-4th-gen |
| 3 | RME Fireface 802 FS | A | https://stierproducts.com/products/rme-fireface-802-fs |
| 4 | Audient iD4 MkII | A | https://stierproducts.com/products/audient-id4-mkii |
| 9 | Universal Audio Apollo Twin X | C | https://stierproducts.com/products/universal-audio-apollo-twin-x |
| 10 | LEWITT Connect 2 | C | https://stierproducts.com/products/lewitt-connect-2 |
| 11 | Focusrite Scarlett Solo 4th Gen | D | https://stierproducts.com/products/focusrite-scarlett-solo-4th-gen |
| 12 | Universal Audio Apollo x8p Gen 2 | D | https://stierproducts.com/products/universal-audio-apollo-x8p-gen-2 |
| 13 | Audient iD14 MkII | D | https://stierproducts.com/products/audient-id14-mkii |
| 15 | Behringer UMC204HD | F | https://stierproducts.com/products/behringer-umc204hd |

The full board is at https://stierproducts.com/categories/audio-interfaces.

## What this tier means

- D: Weak. Hard to recommend when better options cost similar money.

## How to read this

- Each category is researched in four independent runs, one per lens (expert consensus, value, reliability, community pulse). Every run ranks a board of candidates that deliberately includes products buyers cross-shop but should avoid. Placements score on a ranked ladder (LP), and tiers are derived from LP, so no tier is ever assigned by hand.
- LP is this product's points on its own category ladder. It is comparable within a category and not across categories.
- Link status reports what our pre-publication link check found when it fetched the cited URL. It says nothing about the quality of the review.
- A citation with no usable link is listed rather than dropped, and is excluded from the counted total above.

## Image

https://stspimgdevmfyk46r5vwkay.blob.core.windows.net/images/products/universal-audio-apollo-x4.webp

Product photographs are not covered: they belong to their respective owners and are reproduced to illustrate the product being reviewed. Do not redistribute them under this licence.