Botique Blues Breaker and Tube Screamer combo

Dual overdrive
On the left a modified Bluesbreaker, on the right a Boutique Tube Screamer
The modified Bluesbreaker circuit simulates a tube amp with warmth, dynamics and headroom
Boutique overdrive offers a dynamic crunch sound
NOS "mojo" diodes
Controls: Level, tone, gain, level, tone, drive
Internal clipping DIP switch and internal bass DIP switch

https://www.kaslederfx.com/toxic-twins/