“Overdrive, distortion and dirt that you have never heard before”: Keeley’s new 4-in-1 Series elevates the firm’s hybrid gain experiments – matching Rat, DS-1 BluesBreaker and Big Muff circuits to “Frankenstein new monster tones”
Building on the pedal precedent set by the Noble Screamer, the three flagship 4-in-1 Series stompboxes offer impressive versatility thanks to interchangeable tone circuits and clipping sections