Strymon OB.1 Compressor Clean Boost used in very good tested & working this pedal combines studio quality, beautifully transparent analog optical compression with a Clean Boost with EQ curves designed to super-charge your favorite amp and reveal its true character. Featuring an all-analog signal path with premium components throughout, a high-impedance input, and very low noise circuitry, OB.1 is perfect for the number one spot in your signal chain. It’s the missing piece you’ve been searching for.