8.3Great
Output Substance is a multi-mode sample instrument for modern basses, designed hits, and hybrid low-end sound design.
Plugin comparison
Output Substance vs UVI Rumble
Specs, price and the Dubspot Score, side by side — with our verdict on which sampler to buy.
Independent score / workflow fit / buying signal
Contenders
The side-by-side
8.5Great
UVI Rumble is a multiband bass synthesizer with Body, Character, and Air engines, nine oscillator models, deep modulation, and a large factory bass library.
Score verdict
Which should you buy?
On the Dubspot Score, UVI Rumble comes out ahead (8.5). That said, the right pick depends on your workflow and budget — read both reviews before deciding.
Technical matrix
Specs compared
| Signal | Output Substance | UVI Rumble |
|---|---|---|
| Price | $199 | €199 |
| Dubspot Score | 8.3 | 8.5 |
| Formats | VST3, AU, AAX | VST3, AU, AAX, standalone |
| Type | Multi-mode sample instrument | Multiband bass synthesizer |
| Developer | Output | — |
| Typical price | $199 | — |
| Formats | VST3, AU, AAX | VST3, AU, AAX, standalone; NKS |
| Primary job | Designed basses, hits, and hybrid low-end | — |
| Catalog status | Current as of 2026 | — |
| Engines | — | Body, Character, Air (each with oscillator, shaper, FX) |
| Oscillator models | — | 9 (Analog, Morpho, Phonem, Fold, Timbral, Noise, Sampler, Kick, Prism) |
| Modulation | — | 33 sources; macros, ADSRs, LFOs, MSEGs, random, drift |
| Platforms | — | macOS 10.14–26; Windows 10–11 (64-bit); iLok account |
| Authorization | — | 3 activations (machine or iLok dongle) |
See the full plugin database for more comparisons.