KNOCK 2 by KNOCK Audio (DECAP): modular drum processor with six reorderable modules, new COMP and Zero Latency Mode. $119 at Plugin Boutique until 1 Dec 2026.
Plugin comparison
KNOCK 2 vs SPL Transient Designer Plus
Specs, price and the Dubspot Score, side by side — with our verdict on which effect to buy.
Independent score / workflow fit / buying signal
Contenders
The side-by-side
8.4Great
SPL Transient Designer Plus by Plugin Alliance / SPL. Attack/sustain shaping without threshold hunting, still a go-to for drums, percussion, and transient control.
Technical matrix
Specs compared
| Signal | KNOCK 2 | SPL Transient Designer Plus |
|---|---|---|
| Price | $119 (intro, until 1 Dec 2026) | $199 |
| Dubspot Score | — | 8.4 |
| Formats | VST3, AU, AAX, VST2 (macOS), macOS, Windows | VST3, AU, AAX |
| Type | Modular drum processor (multi-effect) | Transient designer / envelope shaper |
| Modules | PUNCH (multiband transients), COMP (multiband, hardware-modelled), SATURATE, SUB, AIR (dynamic EQ), CLIP | — |
| Global | PURR flutter effect, MAGIC button, intensity visualiser, global MIX, Zero Latency Mode, Linear Phase Mode | — |
| macOS | macOS 11+, AU, VST2, VST3, AAX; Intel or Apple Silicon M1 to M5 | — |
| Windows | Windows 10/11 64-bit, VST3, AAX | — |
| RAM and disk | 8 GB RAM required (16 GB recommended), 500 MB disk | — |
| Licensing | Lifetime licence; free 7-day full trial; $49 upgrade from KNOCK 1 | — |
| Edition | — | Plus |
| Technology | — | SPL Differential Envelope Technology |
| Formats | — | VST3, AU, AAX |
See the full plugin database for more comparisons.